Chronobiology Phenomena
Chronobiology Discipline
A multidisciplinary field of research and practice studying the periodicity of biological systems and the application of principles of chronobiology to various therapeutic strategies. Aging, biological rhythms, and cyclic phenomena are included. Statistical, computer-aided mathematical procedures are used to describe, in mathematical terminology, various biological functions over time.
Chronotherapy
The adaptation of therapeutic approaches such as pharmacological (DRUG CHRONOTHERAPY), surgical, radiological, or physical to the known variations in biological RHYTHMICITY, such as CIRCADIAN RHYTHMS. The treatment is aimed at supporting normal rhythms, or modifying the timing of therapy to achieve maximal efficacy and minimal adverse effect.
Efficacy of bright light and sleep/darkness scheduling in alleviating circadian maladaptation to night work. (1/96)
We tested the hypothesis that circadian adaptation to night work is best achieved by combining bright light during the night shift and scheduled sleep in darkness. Fifty-four subjects participated in a shift work simulation of 4 day and 3 night shifts followed by a 38-h constant routine (CR). Subjects received 2,500 lux (Bright Light) or 150 lux (Room Light) during night shifts and were scheduled to sleep (at home in darkened bedrooms) from 0800 to 1600 (Fixed Sleep) or ad libitum (Free Sleep). Dim light melatonin onset (DLMO) was measured before and after the night shifts. Both Fixed Sleep and Bright Light conditions significantly phase delayed DLMO. Treatments combined additively, with light leading to larger phase shifts. Free Sleep subjects who spontaneously adopted consistent sleep schedules adapted better than those who did not. Neither properly timed bright light nor fixed sleep schedules were consistently sufficient to shift the melatonin rhythm completely into the sleep episode. Scheduling of sleep/darkness should play a major role in prescriptions for overcoming shift work-related phase misalignment. (+info)beta(1)-adrenergic antagonists improve sleep and behavioural disturbances in a circadian disorder, Smith-Magenis syndrome. (2/96)
Smith-Magenis syndrome (SMS) is a clinically recognisable contiguous gene syndrome ascribed to interstitial deletions of chromosome 17p11.2. Patients have a phase shift of their circadian rhythm of melatonin with a paradoxical diurnal secretion of the hormone. Serum melatonin levels and day-night behaviour were studied in nine SMS children (aged 4 to 17 years) given acebutolol, a selective beta(1)-adrenergic antagonist (10 mg/kg early in the morning). Cardiac examination, serum melatonin, motor activity recordings, and sleep diaries were monitored before and after drug administration. The present study shows that a single morning dose of acebutolol suppressed the inappropriate secretion of melatonin in SMS. A significant improvement of inappropriate behaviour with increased concentration, delayed sleep onset, increased hours of sleep, and delayed waking were also noted. These results suggest that beta(1)-adrenergic antagonists help to manage hyperactivity, enhance cognitive performance, and reduce sleep disorders in SMS. (+info)Hypothalamic involvement in chronic migraine. (3/96)
OBJECTIVES: Chronic migraine (CM), previously called transformed migraine, is a frequent headache disorder that affects 2%-3% of the general population. Analgesic overuse, insomnia, depression, and anxiety are disorders that are often comorbid with CM. Hypothalamic dysfunction has been implicated in its pathogenesis, but it has never been studied in patients with CM. The aim was to analyze hypothalamic involvement in CM by measurement of melatonin, prolactin, growth hormone, and cortisol nocturnal secretion. METHODS: A total of 338 blood samples (13/patient) from 17 patients with CM and nine age and sex matched healthy volunteers were taken. Melatonin, prolactin, growth hormone, and cortisol concentrations were determined every hour for 12 hours. The presence of comorbid disorders was also evaluated. RESULTS: An abnormal pattern of hypothalamic hormonal secretion was found in CM. This included: (1) a decreased nocturnal prolactin peak, (2) increased cortisol concentrations, (3) a delayed nocturnal melatonin peak in patients with CM, and (4) lower melatonin concentrations in patients with CM with insomnia. Growth hormone secretion did not differ from controls. CONCLUSION: These results support hypothalamic involvement in CM, shown by a chronobiologic dysregulation, and a possible hyperdopaminergic state in patients with CM. Insomnia might be an important variable in the study findings. (+info)Heart rate and energy expenditure of incubating wandering albatrosses: basal levels, natural variation, and the effects of human disturbance. (4/96)
We studied the changes in heart rate (HR) associated with metabolic rate of incubating and resting adult wandering albatrosses (Diomedea exulans) on the Crozet Islands. Metabolic rates of resting albatrosses fitted with external HR recorders were measured in a metabolic chamber to calibrate the relationship between HR and oxygen consumption (V(O(2))) (V(O(2))=0.074 x HR+0.019, r(2)=0.567, P<0.001, where V(O(2)) is in ml kg(-1) min(-1) and HR is in beats min(-1)). Incubating albatrosses were then fitted with HR recorders to estimate energy expenditure of albatrosses within natural field conditions. We also examined the natural variation in HR and the effects of human disturbance on nesting birds by monitoring the changes in HR. Basal HR was positively related to the mass of the individual. The HR of incubating birds corresponded to a metabolic rate that was 1.5-fold (males) and 1.8-fold (females) lower than basal metabolic rate (BMR) measured in this and a previous study. The difference was probably attributable to birds being stressed while they were held in the metabolic chamber or wearing a mask. Thus, previous measurements of metabolic rate under basal conditions or for incubating wandering albatrosses are likely to be overestimates. Combining the relationship between HR and metabolic rate for both sexes, we estimate that wandering albatrosses expend 147 kJ kg(-1) day(-1) to incubate their eggs. In addition, the cost of incubation was assumed to vary because (i) HR was higher during the day than at night, and (ii) there was an effect of wind chill (<0 degrees C) on basal HR. The presence of humans in the vicinity of the nest or after a band control was shown to increase HR for extended periods (2-3 h), suggesting that energy expenditure was increased as a result of the disturbance. Lastly, males and females reacted differently to handling in terms of HR response: males reacted more strongly than females before handling, whereas females took longer to recover after being handled. (+info)Loss of photic entrainment and altered free-running circadian rhythms in math5-/- mice. (5/96)
Mammalian free-running circadian rhythms are entrained to the external light/dark cycle by photic signaling to the suprachiasmatic nuclei via the retinohypothalamic tract (RHT). We investigated the circadian entrainment and clock properties of math5-/- mutant mice. math5 is a critical regulator of retinal ganglion cell development; math5-/- mice show severe optic nerve hypoplasia. By anterograde cholera toxin B tracing, we find that math5-/- mice do not develop an identifiable RHT pathway. This appears to be attributable to agenesis or dysgenesis of the majority of RHT-projecting retinal ganglion cells. math5-/- mice display free-running circadian rhythms with a period approximately 1 hr longer than B6/129 controls (24.43 +/- 0.10 vs 23.62 +/- 0.19 hr; p < 0.00001). The free-running period of heterozygote mice is indistinguishable from that of controls. math5-/- mice show no entrainment to light/dark cycles, whereas heterozygote mice show normal entrainment to both 12 hr light/dark cycles and to a 1 hr skeletal photoperiod. math5-/- mice show reduced ability to entrain their rhythms to the nonphotic time cue of restricted running wheel access but demonstrate both free-running behavior and entrained anticipation of wheel unlocking in these conditions, suggesting the presence of a second diurnal oscillatory system in math5-/- animals. These results demonstrate that retinal ganglion cell input is not necessary for the development of a free-running circadian timekeeping system in the suprachiasmatic nucleus but is important for both photic entrainment and determination of the free-running period. (+info)Rosuvastatin decreases caveolin-1 and improves nitric oxide-dependent heart rate and blood pressure variability in apolipoprotein E-/- mice in vivo. (6/96)
BACKGROUND: Decreased heart rate variability (HRV) and increased blood pressure variability (BPV), determined in part by nitric oxide (NO)-dependent endothelial dysfunction, are correlated with adverse prognosis in cardiovascular diseases. We examined potential alterations in BPV and HRV in genetically dyslipidemic, apolipoprotein (apo) E-/-, and control mice and the effect of chronic statin treatment on these parameters in relation to their NO synthase (NOS)-modifying properties. METHODS AND RESULTS: BP and HR were recorded in unrestrained, nonanesthetized mice with implanted telemetry devices with or without rosuvastatin. Cardiac and aortic expression of endothelial NOS and caveolin-1 were measured by immunoblotting. Both systolic BP and HR were elevated in apoE-/- mice, with abolition of their circadian cycles. Spectral analysis showed an increase in their systolic BPV in the very-low-frequency (+17%) band and a decrease in HRV in the high-frequency (-57%) band, reflecting neurohumoral and autonomic dysfunction. Decreased sensitivity to acute injection of atropine or an NOS inhibitor indicated basal alterations in both parasympathetic and NOS regulatory systems in apoE-/- mice. Aortic caveolin-1 protein, an inhibitor of endothelial NOS, was also increased in these mice by 2.0-fold and correlated positively with systolic BPV in the very-low-frequency band. Rosuvastatin treatment corrected the hemodynamic and caveolin-1 expression changes despite persisting elevated plasma cholesterol levels. CONCLUSIONS: Rosuvastatin decreases caveolin-1 expression and promotes NOS function in apoE-/-, dyslipidemic mice in vivo, with concurrent improvements in BPV and HRV. This highlights the beneficial effects of rosuvastatin on cardiovascular function beyond those attributed to lipid lowering. (+info)An abrupt shift in the day/night cycle causes desynchrony in the mammalian circadian center. (7/96)
The suprachiasmatic nucleus (SCN) is the neuroanatomical locus of the mammalian circadian pacemaker. Here we demonstrate that an abrupt shift in the light/dark (LD) cycle disrupts the synchronous oscillation of circadian components in the rat SCN. The phases of the RNA cycles of the period genes Per1 and Per2 and the cryptochrome gene Cry1 shifted rapidly in the ventrolateral, photoreceptive region of the SCN, but were relatively slow to shift in the dorsomedial region. During the period of desynchrony, the animals displayed increased nighttime rest, the timing of which was inversely correlated with the expression of Per1 mRNA in the dorsomedial SCN. Molecular resynchrony required approximately 6 d after a 10 hr delay and 9 approximately 13 d after a 6 hr advance of the LD cycle and was accompanied by the reemergence of normal rest-activity patterns. This dissociation and slow resynchronization of endogenous oscillators within the SCN after an LD cycle shift suggests a mechanism for the physiological symptoms that constitute jet lag. (+info)Loss of circadian rhythm of blood pressure following acute stroke. (8/96)
BACKGROUND: Epidemiology of acute stroke in developing countries differs from that in the developed world, for example, the age at stroke, risk factors, subtypes of stroke and prognosis. Hypertension remains a dominant risk factor and prognostic indicator in patients with stroke in all communities. The risk of stroke is directly related to elevations of blood pressure. A number of clinical studies have shown that the control of hypertension leads to a reduction in the incidence of stroke in a community. However there is still considerable controversy surrounds the changes in blood pressure in various subtypes of strokes and problem of management of elevated BP after stroke. We studied the circadian rhythm of blood pressure in patients following acute stroke. METHODS: To study the circadian rhythm of blood pressure, fifty consecutive patients with an acute stroke who were admitted to medical emergency within 120 hours of onset were included in the study. After a detailed history and clinical examination, a continuous blood pressure monitor (Spacelab 90207) was attached on the side ipsilateral to intracranial lesion (unaffected arm). The blood pressure was recorded for 24 hours at 15 minutes interval during daytime (6.00 am-6.00 pm) and 20 minutes interval overnight (6 pm to 6 am). RESULTS: Risk factors for stroke in 50 patients included hypertension in 31(62%), diabetes mellitus in 4 (8%), smoking in 13 (26%) and previous history of transient ischemic attack in 7 (14%) patients. Mean systolic pressure and diastolic pressure at admission were higher in patients with hemorrhagic stroke -29 patients (177 +/- 24 mmHg and 105 +/- 19 mmHg respectively) compared to patients with ischemic strokes-21 patients (150 +/- 36 mm Hg and 89 +/- 18 mm Hg respectively, p value <0.01 in both comparisons). The normal diurnal variation in blood pressure (night time dipping of more than 10%) was abolished in 44 (88%) of patients. Out of 44 nondippers, 29 patients showed reverse dipping i.e. rise of BP during night time compared to day time levels. None of the risk factors, clinical or laboratory variables, type of stroke or blood pressure changes differed significantly between these two groups. CONCLUSIONS: Therefore, we showed a pathologically reduced or abolished circadian BP variation after stroke. Absence of normal dipping results in a higher 24 hour blood pressure load and may have more target organ damage than those with normal diurnal variation of blood pressure. (+info)
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Sleep in bipolar disorder
Wirz-Justice, A. (2003). "Chronobiology and mood disorders". Dialogues in Clinical Neuroscience. 5 (4): 315-325. doi:10.31887/ ... Bipolar disorder is known to have a high heritability. Therefore, sleep disturbances in bipolar disorder could also have a ... Sleep is known to play an important role in the etiology and maintenance of bipolar disorder. Patients with bipolar disorder ... The diagnosis of a bipolar disorder is linked to various sleep disorders. Comorbidities include insomnia and hypersomnia. Other ...
Phase response curve
Chronobiology Circadian rhythm sleep disorder Delayed sleep phase disorder Canavier CC (2006). "Phase response curve". ... light therapy is used as treatment for several affective disorders including seasonal affective disorder (SAD). In 2002 Brown ... Various sleep disorders and externals stresses (such as jet lag) can interfere with this. People with non-24-hour sleep-wake ... Lewy A, Sack R, Fredrickson R (1983). "The use of bright light in the treatment of chronobiologic sleep and mood disorders: The ...
Seasonal affective disorder
"Bipolar disorder with seasonal pattern: clinical characteristics and gender influences". Chronobiology International. 30 (9): ... With seasonal pattern is a specifier for bipolar and related disorders, including bipolar I disorder and bipolar II disorder. ... Seasonal affective disorder (SAD) is a mood disorder subset, in which people who have normal mental health throughout most of ... Most people with SAD experience major depressive disorder, but as many as 20% may have a bipolar disorder. It is important to ...
Metabolic syndrome
... disrupted chronobiology/sleep, mood disorders/psychotropic medication use, and excessive alcohol use. The pathogenic role ... The syndrome is thought to be caused by an underlying disorder of energy utilization and storage. The cause of the syndrome is ... Reproductive disorders (such as polycystic ovary syndrome in women of reproductive age), and erectile dysfunction or decreased ... Lipodystrophic disorders in general are associated with metabolic syndrome. Both genetic (e.g., Berardinelli-Seip congenital ...
Biology of bipolar disorder
"The CLOCK gene and mood disorders: a case-control study and meta-analysis". Chronobiology International. 28 (9): 825-33. doi: ... Biology of bipolar disorder, Mood disorders, Causes of mental disorders, Biological psychiatry, Bipolar disorder). ... Bipolar disorder is an affective disorder characterized by periods of elevated and depressed mood. The cause and mechanism of ... Grunze, H. "Bipolar Disorder". In Zigmond, M; Rowland, L; Coyle, J (eds.). Neurobiology of Brain Disorder: Biological Basis of ...
Delayed sleep phase disorder
... a circadian rhythm sleep disorder". Chronobiology International. 22 (3): 559-70. doi:10.1081/CBI-200062410. PMID 16076654. ... "Circadian rhythm sleep disorders: part II, advanced sleep phase disorder, delayed sleep phase disorder, free-running disorder, ... There have been cases of DSPD developing into non-24-hour sleep-wake disorder, a severe and debilitating disorder in which the ... It has been named as one of the sleep disorders most commonly misdiagnosed as a primary psychiatric disorder. DSPD is often ...
Advanced sleep phase disorder
Johnson, Carl H. (2013). "Entrainment of Circadian Programs" (PDF). Chronobiology International. 20 (5): 741-774. doi:10.1081/ ... "Circadian Rhythm Sleep Disorders: Part II, Advanced Sleep Phase Disorder, Delayed Sleep Phase Disorder, Free-Running Disorder, ... Advanced Sleep Phase Disorder (ASPD), also known as the advanced sleep-phase type (ASPT) of circadian rhythm sleep disorder, is ... Delayed sleep phase disorder Irregular sleep-wake rhythm Non-24-hour sleep-wake disorder Dodson, Ehren R.; Zee, Phyllis C (2010 ...
Familial sleep traits
Chronobiology Irregular sleep-wake rhythm Non-24-hour sleep-wake disorder Shift work sleep disorder Jet lag Madrid-Valero JJ, ... Some of these circadian disorders include Advanced Sleep Phase Disorder (ASPD) and Delayed Sleep Phase Disorder (DSPD). ... The disorder can manifest any time from age 18 to 60, but the average age of affected individuals is 50 years old. The disorder ... The disorder is caused by a mutation of the PRNP gene resulting in the creation of a prion. These prions result in ...
Non-24-hour sleep-wake disorder
Chronobiology International. 19 (3): 649-658. doi:10.1081/CBI-120004546. PMID 12069043. S2CID 24038952. Rajaratnam, S. M. W., ... "Circadian rhythm sleep disorders: part II, advanced sleep phase disorder, delayed sleep phase disorder, free-running disorder, ... Circadian rhythm sleep disorder, the parent spectrum of sleep disorders including non-24-hour sleep-wake disorder. Delayed ... the disorder is also known as: non-24-hour sleep-wake syndrome or disorder, free-running disorder (FRD),[citation needed] ...
Chronobiotic
Circadian rhythm sleep disorder Chronobiology Sleep medicine (Articles with short description, Short description is different ... Sleep and sleep disorders: a neuropsychopharmacological approach. Georgetown, Tex., U.S.A: Landes Bioscience/Eurekah.com. ISBN ...
Light effects on circadian rhythm
Chronobiology Circadian advantage Circadian clock Circadian oscillator Circadian rhythm disorders Electronic media and sleep ... Seasonal affective disorder creates a model in which decreased day length during autumn and winter increases depressive ... Reviews in Endocrine & Metabolic Disorders. 10 (4): 301-10. doi:10.1007/s11154-009-9121-9. PMID 19777352. S2CID 8653740. van ... and depressive symptoms in this disorder. Light seems to have therapeutic antidepressant effects when an organism is exposed to ...
Entrainment (chronobiology)
ASPD and non-24-hour sleep-wake disorder are improperly entrained to light/dark. Crepuscular - Animals active at twilight (i.e ... In the study of chronobiology, entrainment occurs when rhythmic physiological or behavioral events match their period to that ... "Basic Science Review on Circadian Rhythm Biology and Circadian Sleep Disorders" (PDF). Annals Academy Med Singapore. 37 (8): ...
Irregular sleep-wake rhythm
Advanced sleep phase syndrome Chronobiology Circadian rhythm Delayed sleep phase disorder "Irregular sleep-wake syndrome: ... "Circadian rhythm sleep disorders: part II, advanced sleep phase disorder, delayed sleep phase disorder, free-running disorder, ... Advanced Sleep-Wake Phase Disorder (ASWPD), Delayed Sleep-Wake Phase Disorder (DSWPD), Non-24-Hour Sleep-Wake Rhythm Disorder ( ... An overnight sleep study is usually not needed to detect this disorder, but may be indicated if other sleep disorders, such as ...
Computer vision syndrome
Amber-tinted lenses have been shown to affect the circadian rhythm and treat delayed sleep phase disorder. According to the US ... Chronobiology International. 33 (8): 1037-1044. doi:10.1080/07420528.2016.1194289. PMID 27322730. S2CID 35562927. Burkhart, ... "Wearing blue light-blocking glasses in the evening advances circadian rhythms in the patients with delayed sleep phase disorder ... Chronobiology International. 26 (8): 1602-1612. doi:10.3109/07420520903523719. PMID 20030543. S2CID 145296760. Becoming a ...
Circadian rhythm
... such as Advanced sleep phase disorder Delayed sleep phase disorder Non-24-hour sleep-wake disorder Chronobiology CLOCK ... A number of other disorders, such as bipolar disorder and some sleep disorders such as delayed sleep phase disorder (DSPD), are ... Maung SC, El Sara A, Chapman C, Cohen D, Cukor D (May 2016). "Sleep disorders and chronic kidney disease". World Journal of ... In clinical settings, an abnormal circadian rhythm in humans is known as a circadian rhythm sleep disorder. While there are ...
Sunglasses
... to reestablish the circadian rhythm and treat delayed sleep phase disorder. Some models have polarized lenses, made of Polaroid ... Chronobiology International. 33 (8): 1037-1044. doi:10.1080/07420528.2016.1194289. PMID 27322730. S2CID 35562927. Burkhart, ... "Wearing blue light-blocking glasses in the evening advances circadian rhythms in the patients with delayed sleep phase disorder ... Chronobiology International. 26 (8): 1602-1612. doi:10.3109/07420520903523719. PMID 20030543. S2CID 145296760. Fassel, Preston ...
Circadian rhythm sleep disorder
Chronobiology Familial sleep traits Light effects on circadian rhythm Phase response curve Sleep diary Sleep medicine Dagan, ... Delayed sleep phase disorder, advanced sleep phase disorder, non-24-hour sleep-wake disorder and irregular sleep-wake rhythm ... Advanced Sleep Phase Disorder, Delayed Sleep Phase Disorder, Free-Running Disorder, and Irregular Sleep-Wake Rhythm. PDF, 18 ... Circadian rhythm sleep disorders (CRSD), also known as circadian rhythm sleep-wake disorders (CRSWD), are a family of sleep ...
Suprachiasmatic nucleus
Chronobiology Photosensitive ganglion cell Sense of time Retinohypothalamic tract Shift work sleep disorder Non-24-hour sleep- ... Reid KJ, Chang AM, Zee PC (May 2004). "Circadian rhythm sleep disorders". The Medical Clinics of North America. 88 (3): 631-51 ... wake disorder Fahey J (2009-10-15). "How Your Brain Tells Time". Out Of The Labs. Forbes. Clodong S, Dühring U, Kronk L, Wilde ... is reflected by several circadian rhythm sleep disorders, where this process does not function normally. Neurons in the ...
List of cycles
Bipolar disorder - Cardiopulmonary resuscitation - Calvin-Benson cycle - Cell cycle - Chronobiology - Citric acid cycle - ...
Morningness-eveningness questionnaire
Circadian rhythm sleep disorder Horne, JA, Östberg O (1976). "A self-assessment questionnaire to determine morningness- ... Chronobiology International. 28 (3): 238-247. doi:10.3109/07420528.2010.549599. PMC 3818690. PMID 21452919. Hur YM, Bouchard TJ ... eveningness in human circadian rhythms". International Journal of Chronobiology. 4 (2): 97-110. PMID 1027738.{{cite journal}}: ...
Depopulation of cockroaches in post-Soviet states
Colony collapse disorder, bees Исчезновение тараканов на Белгородчине не связано с радиацией :: ИА Бел.Ру - Новости Белгорода ... Ozone holes may also lead to abnormal chronobiology in cockroaches. Internal competitions between cockroaches may decrease the ...
Sato Honma
"International ChronoBiology Summer School in Florida from May 26-29, 2020 , SRBR: Society for Research on Biological Rhythms". ... She is currently the director at the Center for Sleep and Circadian Rhythm Disorders at Sapporo Hanazono Hospital and works as ... Sato Honma and Ken-ichi Honma had a chronobiology laboratory for over 30 years at Hokkaido University, and many of the students ... She was one of the instructors for the International Chronobiology Summer School, in Beijing in 2016, and that in Munich 2019. ...
Lynne Lamberg
Lamberg, Lynne (2000). Skin Disorders (21st Century Health and Wellness). New York: Chelsea House Publishing. ISBN 0791059839. ... Lamberg, Lynne (November 1, 2000). Bodyrhythms: Chronobiology and Peak Performance. ISBN 0595147852.{{cite book}}: CS1 maint: ... Lamberg, Lynne (1994). Bodyrhythms: Chronobiology and Peak Performance. William Morrow & Co. ISBN 0877959919. Cartwright, ... chronobiology, chronomedicine, chronotherapy and chronorecord-keeping. 'We pay more attention to watches we wear on our wrists ...
Night owl
Some night owls with great difficulty adopting normal sleeping and waking times may have delayed sleep-phase disorder. Morning ... Chronobiology (2004) McCullough, David (1992). Truman. Simon & Schuster. p. 508. ISBN 978-0671456542. Sleep Discrimination ... Laura H. Smith/Charles H. Elliott, Seasonal Affective Disorder for Dummies (2007) p. 73 Maestripieri, Dario (2014-01-01). " ... the study of sleep cycles and other time-dependent biological systems Circadian rhythm sleep disorder Insomnia - the inability ...
Johanna Meijer
... including Advanced sleep phase disorder Delayed sleep phase disorder Non-24-hour sleep-wake disorder Chronotherapy Sleep Sleep ... Meijer continues her study of circadian rhythms and chronobiology today as a Professor and Head of Neurophysiology Group at the ... Johanna Meijer (born 26 March 1959) is a Dutch scientist who has contributed significantly to the field of chronobiology. ... 1993: "Aschoff's Rule, a prize for eminent contributions in Chronobiology supporting the interdisciplinary spirit of the field ...
Jrk
... anxiety disorder, and substance use disorder. Clock gene Period (gene) Cycle (gene) Timeless (gene) Chronobiology Oscillating ... deficit/hyperactivity disorder, major depressive disorder, bipolar disorder, ... Schuch JB, Genro JP, Bastos CR, Ghisleni G, Tovo-Rodrigues L (March 2018). "The role of CLOCK gene in psychiatric disorders: ... Mammalian mutations in the Clock gene have been found to result in autism spectrum disorder, schizophrenia, attention‐ ...
Jürgen Aschoff
In: Trends in Chronobiology, ed. Hekkens W, Th JM, Jerkhof GA and Rhietveld WJ, Pergamon Press, Oxford and New York, pp. 149- ... His later work was more applicable to pathologies, such as psychiatric disorders and dangers of shift work schedules, which can ... Together with Erwin Bünning and Colin Pittendrigh, he is considered to be a co-founder of the field of chronobiology. Aschoff's ... Aschoff's work in the field of chronobiology introduced the idea that shifting one's light-dark cycle can result in harmful ...
Thomas Wehr
Wehr and colleague Anna Wirz-Justice were awarded the Anna Monika Prize for their work in the chronobiology of depressive ... Wehr and colleague Norman E. Rosenthal are credited with identifying and describing Seasonal Affective Disorder (SAD) and ...
Melatonin
... is used as a medication in the treatment of sleep disorders such as insomnia and circadian rhythm sleep disorders ... Chronobiology International. 21 (1): 1-25. doi:10.1081/CBI-120027984. PMID 15129821. S2CID 42725506. Foster RG (June 2020). " ... like delayed sleep phase disorder, jet lag disorder, and shift work disorder. Besides melatonin, certain synthetic melatonin ... Riha RL (November 2018). "The use and misuse of exogenous melatonin in the treatment of sleep disorders". Curr Opin Pulm Med. ...
Shift work
... metabolic disorders, gastrointestinal disorders, musculoskeletal disorders, and reproductive disorders. Shift work also can ... Chronobiology International. 29 (9): 1153-1175. doi:10.3109/07420528.2012.719971. PMID 23004349. S2CID 7565248. Ftouni, Suzanne ... Shift work sleep disorder is a circadian rhythm sleep disorder characterized by insomnia, excessive sleepiness, or both. Shift ... Shift work sleep disorder also creates a greater risk for human error at work. Shift work disrupts cognitive ability and ...
Women in firefighting
Jay, Sarah M.; Paterson, Jessica L.; Aisbett, Brad; Ferguson, Sally A. (2018). "Browse journals by subject". Chronobiology ... "problem drinkers were more than 2.5 times as likely to have been diagnosed with a depressive disorder or to have symptoms of ...
Seasonal effects on suicide rates
... bipolar disorder type II)". When a mood disorder recurs in a seasonal pattern it is described as a seasonal affective disorder ... Chronobiology International. 24 (4): 727-737. doi:10.1080/07420520701535795. PMID 17701683. S2CID 6071474. Petridou E.; ... The seasonal mood disorders that were recurrent in this study are as follows: "depression, 51%, and bipolar disorder, 49%, with ... Psychological disorders can be affected by seasonal changes and result in suicide. There is also a "physiological strain that ...
Roberto Refinetti
He is the editor-in-chief of the interdisciplinary journals Chronobiology International and Sexuality & Culture, as well as ... as recorded in newspaper articles on seasonal affective disorder, on daylight-saving time, on the pervasiveness of circadian ... "Editorial Board". Chronobiology International. Retrieved 2021-04-03. "Sexuality & Culture". Springer Science+Business Media. ...
TIK-301
... is intended to be a take-as-need drug for primary insomnia, circadian rhythm disorders, depression, as well as sleep ... Chronobiology International. 19 (5): 915-36. doi:10.1081/cbi-120014108. PMID 12405554. S2CID 10363563. Cardinali DP, Srinivasan ... In addition to a sleep aid, TIK-301 has been found useful in treating other disorders. Because of its affinity for serotonin ... TIK-301 has also been considered for use in patients with mild cognitive impairment (MCI) because of sleep disorder prevalence ...
Melatonin receptor
In the field of chronobiology, melatonin has been found to be a key player in the synchrony of biological clocks. Melatonin ... In recent years, research with melatonin has shown to improve neurological disorders such as Parkinson's, Alzheimer's disease, ... Recently, scientists have been studying the relationship between the MT2 receptor and sleep disorders, anxiety, depression, and ...
Jay Dunlap
Throughout the day, these proteins have different levels of disorder. The changing levels of disorder allow for a stable ... doi: 10.1126/science.1257277 PMID 25635104 Dunlap, J. C., Loros, J. J., & DeCoursey, P. J. (2004). Chronobiology: Biological ... all exhibit high amounts of intrinsic protein disorder. Intrinsically disordered proteins do not have a stable secondary ... Four years later in 2013, Dunlap and colleagues found that FRQ is an Intrinsically Disordered Protein whose stability is ...
Michael Terman
After the discovery in the early 1980s of light therapy for seasonal affective disorder, at the National Institute of Mental ... He established the Clinical Chronobiology research program there in 1983 with funding from the National Institute of Mental ... It has also been used to correct the insomnia associated with delayed sleep phase disorder. Terman's animal studies showed that ... Wirz-Justice A, Benedetti F, Terman M (2009) Chronotherapeutics for Affective Disorders: A Clinician's Manual for Light and ...
Institute of Molecular Biology
Structural Chronobiology IMB coordinates a number of joint research initiatives with institutions in Mainz (Johannes Gutenberg ... Synthetic Biophysics of Protein Disorder Katja Luck: Integrative Systems Biology Brian Luke: Telomere Biology Christof Niehrs: ...
Fred W. Turek
He also served on the boards of the National Institute of Health National Center on Sleep Disorders Research and the National ... "Chronobiology" for the 2010 edition of Principles and Practices of Sleep Medicine. Turek has published nearly 400 reviews and ... aimed at shifting the human clock in an attempt to alleviate mental and physical problems that are associated with disorders in ...
Robert Y. Moore
Chronobiology: Biological Timing in Health and Disease. Vol. 119. Academic Press. pp. 1-28. doi:10.1016/B978-0-12-396971- ... Robert Y. Moore (born December 5, 1931) is an American neurologist with interests in disorders of biological rhythms, movement ... disorders, and behavioral neurology. He is credited with discovering the function of the suprachiasmatic nucleus (SCN) as the ...
Ueli Schibler
Chronobiology University of Geneva Circadian Rhythm suprachiasmatic nucleus Rev-ErbA alpha PER CRY BMAL1 alpha-amylase CRE ... "The genetics of mammalian circadian order and disorder: implications for physiology and disease". Nature Reviews Genetics. 9 ( ... His research has contributed significantly to the field of chronobiology and the understanding of circadian clocks in the body ... Schibler was thrust into the world of chronobiology on a single chance discovery. While examining transcription of serum ...
Doubletime (gene)
Rosenwasser AM (July 2010). "Circadian clock genes: non-circadian roles in sleep, addiction, and psychiatric disorders?". ... Protein pages needing a picture, Genes on human chromosome 22, Chronobiology, Protein kinases, Circadian rhythm). ...
Sleep deprivation
"Use of Actigraphy for the Evaluation of Sleep Disorders and Circadian Rhythm Sleep-Wake Disorders: An American Academy of Sleep ... Chronobiology International. 30 (9): 1187-1196. doi:10.3109/07420528.2013.810222. ISSN 0742-0528. PMID 23998288. S2CID 4682794 ... "Use of Actigraphy for the Evaluation of Sleep Disorders and Circadian Rhythm Sleep-Wake Disorders: An American Academy of Sleep ... in affective disorders". Psychological Medicine. 35 (7): 939-944. doi:10.1017/S003329170500437X. PMID 16045060. Disorders That ...
Charles Czeisler
"Sleep disorders linked to poor health and reduced occupational performance in police officers". National Sleep Foundation. Jan ... As a Team Leader of the Human Performance Factors, Sleep and Chronobiology Team at the NASA National Space Biomedical Research ... Münch M, Bromundt V (Dec 2012). "Light and chronobiology: implications for health and disease". Dialogues in Clinical ... Awarded by the Society for Research on Biological Rhythms for his contributions to the field of Chronobiology in 2001 The NIOSH ...
Clonazepam
... panic disorder, anxiety disorders, and the movement disorder known as akathisia. It is a tranquilizer of the benzodiazepine ... Wollman M, Lavie P, Peled R (1985). "A hypernychthemeral sleep-wake syndrome: a treatment attempt". Chronobiology International ... Panic disorder with or without agoraphobia. Clonazepam has also been found effective in treating other anxiety disorders, such ... Coma Current alcohol use disorder Current substance use disorder Respiratory depression. In September 2020, the U.S. Food and ...
Homeostasis
Williams GH, Dluhy RG (2008). "Chapter 336: Disorders of the Adrenal Cortex". In Loscalzo J, Fauci AS, Braunwald E, Kasper DL, ... Apoptosis - Programmed cell death in multicellular organisms Cerebral autoregulation Chronobiology - Field of biology ... An imbalance between excitation and inhibition is seen to be implicated in a number of neuropsychiatric disorders. The ...
Rütger Wever
... was a German scientist, known for his significant contributions to the field of Chronobiology, including some of ... and had important implications for understanding the cyclicity of many affective disorders. Wever's background in Physics ...
Index of branches of science
... study of color Chronobiology - study of biological rhythms Chrysology - study of precious metals Ciselure - art of chasing ... study and treatment of disorders of the foot; chiropody Podology - study of the feet Polemology - study of war Pomology - study ... study of hair and its disorders Trophology - study of nutrition Tsiganology - study of gypsies Turbology - study of tornadoes ...
Mood (psychology)
Depression, chronic stress, bipolar disorder, etc. are considered mood disorders. It has been suggested that such disorders ... Chronobiology International. 31 (1): 114-22. doi:10.3109/07420528.2013.829845. PMID 24144242. S2CID 12007427. Nykamp K, ... mood disorder) and for anxiety disorders in women. Red meat is found to be protective against mood and anxiety disorders. ... There is a common mood disorder called Seasonal Affective Disorder (SAD) that often occurs during the winter months when there ...
Life satisfaction
It is said that those who experience this disorder usually have a history of major depressive or bipolar disorder, which may be ... Chronobiology International, 29, 780-785. Díaz-Morales, J.F., Jankowski, K.S., Vollmer, C., Randler, C. (2013). Morningness and ... Seasonal affective disorder is hypothesized to be caused by the diminishing exposure to environmental light which can lead to ... There are currently a few treatment therapies in order to help with seasonal affective disorder. The first line of therapy is ...
DeCS - Termos Novos
NIOSH Research & Demonstration Grants. Fiscal Year 1984 | NIOSH | CDC
... neurotoxic disorders (neuropathology, chronobiology, diketone exposures, peripheral nervous effects, neurophysiology, ... trauma disorders from repetitive tasks, and ergonomics); occupational cancers (agricultural workers, agricultural chemicals, ... psychologic disorders from solvent exposures; respirators; control technology; and other occupational concerns. ... reproductive disorders (pesticides, fertility studies, mutagens, carbon-disulfide (75150), biotransformation, congenital ...
Medicine, Endocrinology Division - Research Output - Northwestern Scholars
Animal Models for Disorders of Chronobiology: Cell and Tissue. Ramsey, K. M. & Bass, J., Nov 1 2010, Principles and Practice of ... Kushner, R. F. & Doerfler, B., Jan 1 2006, Obesity and Mental Disorders. CRC Press, p. 217-234 18 p.. Research output: Chapter ... Genetic basis of thyroid disorders. Kopp, P., 2006, Genomics and proteomics in molecular medicine. Ganten, D. & Ruekpaul, K. ( ...
David K. Welsh - Publications
The role of chronobiology in sleep disorders medicine. Sleep Medicine Reviews. 7: 455-73. PMID 15018090 DOI: 10.1016/S1087-0792 ... Hühne A, Welsh DK, Landgraf D. Prospects for Circadian Treatment of Mood Disorders. Annals of Medicine. 1-35. PMID 30265156 DOI ... The role of the circadian clock in animal models of mood disorders. Behavioral Neuroscience. 128: 344-59. PMID 24660657 DOI: ... Functional genetic variation in the Rev-Erbα pathway and lithium response in the treatment of bipolar disorder. Genes, Brain, ...
NIOSHTIC-2 Search Results - Full View
... neurotoxic disorders (neuropathology, chronobiology, diketone exposures, peripheral nervous effects, neurophysiology, ... trauma disorders from repetitive tasks, and ergonomics); occupational cancers (agricultural workers, agricultural chemicals, ... psychologic disorders from solvent exposures; respirators; control technology; and other occupational concerns. ... reproductive disorders (pesticides, fertility studies, mutagens, carbon-disulfide (75150), biotransformation, congenital ...
Careers by Major - Biology | Career Centre
NIOSHTIC-2 Search Results - Full View
... neurotoxic disorders (neuropathology, chronobiology, diketone exposures, peripheral nervous effects, neurophysiology, ... trauma disorders from repetitive tasks, and ergonomics); occupational cancers (agricultural workers, agricultural chemicals, ... psychologic disorders from solvent exposures; respirators; control technology; and other occupational concerns. ... reproductive disorders (pesticides, fertility studies, mutagens, carbon-disulfide (75150), biotransformation, congenital ...
Vitamin B12: Uses, Side Effects, Dose, Health Benefits, Precautions & Warnings
Circadian rhythm sleep disorders in adolescents: clinical trials of combined treatments based on chronobiology. Psychiatry Clin ... Sleep disorders. Taking vitamin B12 by mouth does not seem to help people with sleep disorders. ... sleep disorders, depression, mental disorders, schizophrenia, weak bones (osteoporosis), swollen tendons, AIDS, inflammatory ... Neuropsychiatric disorders caused by cobalamin deficiency in the absence of anemia or macrocytosis. N Engl J Med 1988;318:1720- ...
The Promise of Telepsychiatry: Implications for Clinical Research in a Post-COVID Era - Xtalks
His areas of academic interest include psychopharmacology, chronobiology, bipolar mood disorder and development of pragmatic ... Borderline Personality Disorder and currently leading a Decentralized Clinical Trial in Major Depressive Disorder. Thuy holds a ... Gary Sachs is the Therapeutic Area Leader in bipolar disease and mood disorders at Signant. He previously co-founded Concordant ... panelists will highlight the patient journey for a fully decentralized major depressive disorder (MDD) trial, including ...
Reports | Bergen Sleep and Chronobiology Network | UiB
Axelsson J, Bjorvatn B. F. Circadian rhythm sleep disorders. 2.1. Shift work. In: Sleep Medicine Textbook (second edition). Ed ... Bjorvatn, B., & Pallesen, S. (2021). F. Circadian rhythm sleep disorders. Clinical picture and diagnosis. In C. Bassetti, W. ... Pallesen, S., & Bjorvatn, B. (2021). F. Circadian rhythm sleep disorders. Health risks. In C. Bassetti, W. McNicholas, T. ... Bjorvatn B. F. Circadian rhythm sleep disorders. 1. Nosological classification, definitions, and epidemiology. In: Sleep ...
HuGE Navigator|HuGE Literature Finder|PHGKB
A Brief Guide to Chronic Insomnia Disorder » cet.org
This is a brief guide to chronic insomia disorder. CBT-I is recommended as first-line treatment for chronic insomnia in adults ... What is chronic insomnia disorder?. The official Diagnostic Criteria for Chronic Insomnia Disorder provide an excellent "tick- ... Chronic insomnia is not just a sleep disorder; it also has an impact on daytime functioning, as listed above. It constitutes a ... History of the sleep disorder. v. Sleep diary. vi. Bed partner anamnesis (periodic leg movements in sleep/respiratory pauses) ...
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Hes director of the medical chronobiology program in Brigham and Womens Hospitals Division of Sleep and Circadian Disorders ... or suffering from circadian rhythm disorders, said co-author Frank Scheer. ... door for a novel sleep/circadian behavioral strategy that might also benefit individuals experiencing mental health disorders ...
Obesity: You May Want To Rethink Eating Late
Healthier by Design: Impact of Windows and Sunlight on Health, Productivity, Stress - Blue Zones
For those suffering bipolar disorder, strong midday light may have therapeutic qualities. A 2017 study in the American Journal ... "Chronobiology International, 2012. doi: 3109/07420528.2012.699356.. Jennings, J.; et al. "Can Dynamic Light Improve Melatonin ... They are also more prone to depression - a finding backed by extensive research on seasonal affective disorder (SAD), when some ... "Circadian Phase, Sleepiness, and Light Exposure Assessment in Night Workers with and Without Shift Work Disorder." ...
Chronobiology discipline. Medical search. Website summaries
Chronobiology Disorders , Profiles RNS. Darsaud A, Bourdon L, Mercier S, Chapotot F, Bouteille B, Cespuglio R, Buguet A. Twenty ... Episode 9: Time and Our Bodies: Chronobiology. Time and Our Bodies: Chronobiology What is Chronobiology? Chronobiology is the ... Role of Chronobiology as a Transdisciplinary Field of Research: Its Applications in Treating Mood Disorders - Balkan Medical... ... chronobiology. In life, timing is everything. There is a new buzzword in cancer therapy, Chronobiology. Simply put, this means ...
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Circadian rhythm disorders2022Brigham's DivisionMoodBipolarSeasonal affectivNeuroscienceMelatoninBorderline PersonalNeurologicalPsychotic disordersAttention DeficitDepressive disordersScheerCardiovascularDepressionDocumenting the prevalenceShiftSymptomsPsychiatricAnxiety-related disordersMechanismsBiological clocksTheoreticalTherapyPhysiologicStudyPatientsCognitiveNervousBehavioralDiseasesInternationalMajorMentalBehaviorDiagnosesExposureProgramDifferencesFieldNightArticle
Circadian rhythm disorders3
- Our findings provide evidence for the timing of food intake as a novel strategy to potentially minimize mood vulnerability in individuals experiencing circadian misalignment, such as people engaged in shift work, experiencing jet lag, or suffering from circadian rhythm disorders,' said co-author Frank Scheer. (healthday.com)
- The findings highlight the need for further development of effective and energy-efficient methods for treatment of circadian rhythm disorders. (nasa.gov)
- In patients with circadian rhythm disorders, melatonin agonists may be used. (medscape.com)
20221
- We spoke last month about the 21st Annual Psychopharmacology Update , the keynote lecture, the most underutilized therapies for major depression, bipolar disorder, and schizophrenia, and schizophrenia treatment in 2022 versus 2000. (globalacademycme.com)
Brigham's Division4
- We wanted to test the mechanisms that may explain why late eating increases obesity risk," explained senior author Frank A. J. L. Scheer, Ph.D., Director of the Medical Chronobiology Program in the Brigham's Division of Sleep and Circadian Disorders. (worldhealth.net)
- said first author Nina Vujovic, Ph.D., a researcher in the Medical Chronobiology Program in the Brigham's Division of Sleep and Circadian Disorders. (worldhealth.net)
- This study shows the impact of late vs. early eating," said senior study author Frank Scheer, director of the Medical Chronobiology Program in Brigham's Division of Sleep and Circadian Disorders. (safetyandhealthmagazine.com)
- Author Frank AJL Scheer, PhD, director of Brigham's Division of Medical Chronobiology Program of Sleep and Circadian Disorders. (cittone-usa.com)
Mood11
- Hühne A, Welsh DK , Landgraf D. Prospects for Circadian Treatment of Mood Disorders. (neurotree.org)
- Dr. Gary Sachs is the Therapeutic Area Leader in bipolar disease and mood disorders at Signant. (xtalks.com)
- Dr. Sachs is a recognized expert clinical trialist with extensive experience in rater training and the methodologies of mood and anxiety disorder research. (xtalks.com)
- The effects of common mental disorders (CMD), which usually include not only mood disorders but anxiety and substance abuse disorders, on both pregnant women and their babies have also drawn attention. (biomedcentral.com)
- Circadian dysregulation and depressed mood commonly co-occur in young people, yet mechanisms linking Delayed Sleep-Wake Phase disorder (DSWPD) with depression are poorly understood. (edu.au)
- Decreased serotonin signaling is associated with mood disorders, and a common way to treat mood disorders is with drugs that block serotonin reuptake to keep serotonin working for longer. (pennneuroknow.com)
- J. Christian Gillin, a professor of psychiatry at the University of California, San Diego, conducts research on sleep, chronobiology and mood disorders. (lonniewatsonplumbing.com)
- A possible role of perinatal light in mood disorders and internal cancers: reconciliation of instability and latitude concepts. (nel.edu)
- Erren T, Koch M, Gross J, Reiter R, Meyer-Rochow V. A possible role of perinatal light in mood disorders and internal cancers: reconciliation of instability and latitude concepts. (nel.edu)
- Interpersonal and social rhythm therapy (IPSRT), designed to stabilize daily routines as well as sleep and wake cycles, can improve mood and social functioning in patients with major depressive disorder (MDD), according to study results published in the American Journal of Psychotherapy . (psychiatryadvisor.com)
- Marie Crowe, RN, PhD, of the department of psychological medicine, University of Otago Christchurch, New Zealand, and colleagues conducted a preliminary safety analysis of a randomized controlled trial of patients with a recurrent mood disorder who reported current cognitive difficulties. (psychiatryadvisor.com)
Bipolar5
- Chronotype and cellular circadian rhythms predict the clinical response to lithium maintenance treatment in patients with bipolar disorder. (neurotree.org)
- For those suffering bipolar disorder, strong midday light may have therapeutic qualities. (bluezones.com)
- 3-day conference on up-to-date, clinically relevant information in treatment of Depressive Disorder, ADHD, Schizophrenia, Bipolar Disorder, and Sleep Disorders. (globalacademycme.com)
- Explore the latest advances in the treatment and management of Major Depressive Disorder, ADHD, Schizophrenia, and Bipolar Disorder, plus other clinically relevant hot topics: healthcare resilience, updates and innovations in fast-acting antidepressants, newly emerging digital therapeutics and updates in neuropsychiatry. (globalacademycme.com)
- Few patients with schizophrenia, major depression, bipolar disorder, GAD, OCD, and personality disorders (like borderline or narcissistic personality disorders) achieve full remission and recovery. (globalacademycme.com)
Seasonal affectiv3
- They are also more prone to depression - a finding backed by extensive research on seasonal affective disorder (SAD), when some people grow depressed during the shorter winter days. (bluezones.com)
- These symptoms go beyond merely feeling 'down' that the weather is colder, and are signs of a type of clinical depression called Seasonal Affective Disorder, or appropriately - SAD. (pennneuroknow.com)
- Sufferers from winter-patterned Seasonal Affective Disorder (SAD) often link their emotional state to the seasons, with colder periods being anecdotally correlated to symptoms linked to the onset of depression. (imperialbiosciencereview.com)
Neuroscience1
- At Circadian Eyewear we make sure our eyewear is based on the latest cutting edge scientific research, optic technology, and design by attending international eyewear conventions, consulting with health care professionals and research scientists in the fields of neuroscience, chronobiology, psychology, and light-therapy around the world. (circadianeyewear.com)
Melatonin1
- Our findings are applicable to about a third of the population in the industrialized world who consume food close to bedtime, as well as other populations who eat at night, including shift workers, or those experiencing jetlag or night-eating disorders, as well as those who routinely use melatonin supplements close to food intake," said Scheer, director of the Medical Chronobiology Program at Brigham and Women's Hospital, Boston, Massachusetts. (medscape.com)
Borderline Personal1
- Thuy Le Nguyen is a Senior Associate Director within the Study Management and Conduct of Clinical Operations at Boehringer Ingelheim Pharmaceuticals, Inc. Thuy has over 20 years of clinical research at BI, involved in many studies across different therapeutic areas including CNS, specifically in Alzheimer's Disease, Schizophrenia, Borderline Personality Disorder and currently leading a Decentralized Clinical Trial in Major Depressive Disorder. (xtalks.com)
Neurological3
- Restless legs are a neurological disorder that affects an estimated 10 percent of the population. (andromenopause.com)
- When a person develops addictions or neurological or psychological disorders, his or her way of relating to others is severely or very severely affected. (modafinil911.com)
- He is recognized internationally as a leader in the field of nutritional influences in neurological disorders. (drperlmutter.com)
Psychotic disorders1
- Chronopharmacology is now used as a routine to treat various disorders like hypertension, angina, cancer and various psychotic disorders. (who.int)
Attention Deficit3
- Attention Deficit Hyperactivity Disorder (ADHD) is one of the most prevalent mental disorders of childhood (with prevalence rates varying from 5% to 10%) and it can continue through adolescence and adulthood. (wcp-congress.com)
- This session aims to describe a diversity of approaches in diagnosing and treating ADHD across the World with the emphasis on the latest studies on child, adolescent and adult Attention Deficit/Hyperactivity Disorder. (wcp-congress.com)
- It may be useful for treating pediatric attention deficit hyperactivity disorder (ADHD), as well as enuresis and, possibly, pediatric-onset narcolepsy. (medscape.com)
Depressive disorders3
- When studying SAD, researchers look for distinguishing psychological, neurobiological or genetic factors that differentiate it from Major Depressive Disorder and other depressive disorders. (pennneuroknow.com)
- Dysregulation in these neurotransmitters would mean that neurons change how they communicate with each other, which can lead to depressive disorders. (pennneuroknow.com)
- Understanding how these neurotransmitters contribute to SAD symptoms is an important step in figuring out how to treat depressive disorders such as SAD. (pennneuroknow.com)
Scheer1
- Frank Scheer HMS Professor of Medicine and Director of the Medical Chronobiology Program for the Division of Sleep and Circadian Disorders at Brigham and Women's. (vetclinpathjournal.org)
Cardiovascular1
- En este proyecto, los investigadores de NIOSH mantienen una colaboración continua con la Universidad del Estado de Nueva York en Buffalo para estudiar los efectos de las labores policiales y el estrés ocupacional en los marcadores tempranos (subclínicos) de la salud cardiovascular. (cdc.gov)
Depression5
- During this interactive discussion, panelists will highlight the patient journey for a fully decentralized major depressive disorder (MDD) trial, including methodology for centralized raters, real-time patient dosage monitoring, and patient behavior insights from measured digital biomarkers to evaluate depression. (xtalks.com)
- Furthermore, it is coupled with an increased vulnerability to mental disorders, especially anxiety and depression. (cet.org)
- Low vitamin D levels may be related to depression, rather than contributing to the disorder. (livewell2u.com)
- According to a recent review, treating vitamin D deficiency in people with depression or other mental disorders may result in improvement in both long-term health and quality of life. (livewell2u.com)
- Academic Dissertations;Academic Dissertations--South Carolina;Diagnostic and Statistical Manual of Mental Disorders;Depressive Disorder, Major;Factor Analysis, Statistical;Depression--ethnology;Mexican Americans;African Americans;European. (musc.edu)
Documenting the prevalence1
- There is a broad data base documenting the prevalence of insomnia disorder (ranging, for example, from about 6% - 20% in European countries). (cet.org)
Shift2
- Drake CL, Wright KP Jr. "Shift work, shift work disorder, and jet lag. (nasa.gov)
- In Circadian-Rhythm-Sleep-Disorders a considerable shift of the individual circadian rhythm is the concealed, biological reason for patient symptoms. (pzafiropoulos.gr)
Symptoms3
- The official Diagnostic Criteria for Chronic Insomnia Disorder provide an excellent "tick-off-list" to determine what symptoms are present, and if they conform to this difficult-to-treat sleep disturbance. (cet.org)
- Symptoms of this disorder range from uncomfortable tingling to "creepy crawly" sensations in the arms and legs. (andromenopause.com)
- Participants included 2,118 treatment-seeking adults who self-reported their eating-related symptoms on the Eating Disorder Questionnaire. (eurekamag.com)
Psychiatric2
- Logistic regression analysis revealed history of psychiatric disorder, past interpersonal traumatic experience, and feeling pressure to have a child were associated with CMD. (biomedcentral.com)
- Though heritable influences on psychiatric disorders have been known since the inception of modern psychiatry, it is only recently that precise genetics risk factors have been identified. (wcp-congress.com)
Anxiety-related disorders2
- Further studies will be needed to establish if changes in meal timing can help people with depressive- and anxiety-related disorders, she said. (healthday.com)
- Future studies are needed to determine whether changes in meal times can help people with depressive and anxiety/anxiety-related disorders. (cittone-usa.com)
Mechanisms1
- Chronobiology mechanisms and circadian sleep disorders. (nasa.gov)
Biological clocks1
- Chronobiology is the biology of time and internal biological clocks . (lookformedical.com)
Theoretical1
- The use of IPSRT among patients with major depressive disorder has a strong theoretical rationale on the basis of the principles of chronobiology, and this study suggests that this therapy may be effective in practice," the investigators concluded. (psychiatryadvisor.com)
Therapy2
- There is a new buzzword in cancer therapy, Chronobiology. (lookformedical.com)
- Interpersonal and social rhythm therapy for patients with major depressive disorder. (psychiatryadvisor.com)
Physiologic1
- The science of chronobiology quantifies the time structure characterizing each physiologic variable, its genetically anchored and mostly environmentally synchronized chronome. (lookformedical.com)
Study3
- Or you can use the brainier definition, Chronobiology is the quantitative study of rhythmic temporal relationships in biological phenomena. (lookformedical.com)
- In this study, we asked whether the time we eat matters when everything else is consistent," said first author Nina Vujović, a researcher in the Medical Chronobiology Program. (vetclinpathjournal.org)
- This study suggests that BN is less common whereas BED and OSFED are more common among midlife eating disorder treatment-seeking individuals relative to younger controls. (eurekamag.com)
Patients2
- Coincidentally, most patients that suffer from restless leg syndrome also have this disorder. (andromenopause.com)
- Additionally, midlife and younger patients with BED and OSFED differed on several demographic (e.g., marital status) and eating disorder-related characteristics (e.g. (eurekamag.com)
Cognitive1
- The negative effects at the cognitive level may be such that the person may develop psychological problems related to behavioral disorders. (modafinil911.com)
Nervous1
- Vitamin B12 is injected into the body for pernicious anemia , to prevent and treat vitamin B12 deficiency, and to prevent and treat a nervous system disorder called myelopathy, which can occur in people who are vitamin B12 deficient. (emedicinehealth.com)
Behavioral1
- Our findings open the door for a novel sleep/circadian behavioral strategy that might also benefit individuals experiencing mental health disorders,' Chellappa said in the release. (healthday.com)
Diseases1
- Researchers soon hope to use our genetics to more specifically treat disorders of all kinds, including diseases like SAD. (pennneuroknow.com)
International2
- Chronobiology International. (ikppress.org)
- Chronobiology International 24:599-613. (tau.ac.il)
Major3
- Two participants (1.1 %) met the criteria for major depressive disorder. (biomedcentral.com)
- As with the more commonly known Major Depressive Disorder, SAD is a complicated disorder with many contributing factors. (pennneuroknow.com)
- For now, treatments for SAD are similar to treatments for Major Depressive Disorder. (pennneuroknow.com)
Mental6
- Thus, we can hypothesize that insomnia treatment may be a successful strategy to prevent mental disorders. (cet.org)
- Former and present mental disorders ii. (cet.org)
- Common mental disorders (CMD) during pregnancy can have a clearly harmful influence on both mothers and children. (biomedcentral.com)
- Some studies have reported related factors for mental disorders, such as region-specific background. (biomedcentral.com)
- Eleven participants (6.2 %) met the criteria for one or more diagnoses, with 2 participants having two mental disorders and 3 having three mental disorders. (biomedcentral.com)
- Well being Coach Exhibit right now is putting attention on mental wellness, whether it is depressive disorder, fear or anxiety. (erbediaphrodite.com)
Behavior2
- One of the most terrifying nighttime disorders that you can have involves abnormal behavior during the REM part of rest. (andromenopause.com)
- There are different manifestations and indeed classifications, with antisocial behavior disorder, oppositional defiant disorder and impulse control disorder being the most representative. (modafinil911.com)
Diagnoses1
- We also compared demographic and eating disorder-related characteristics across diagnoses and age groups. (eurekamag.com)
Exposure1
- Neurologic disorders caused by exposure to toxic substances through ingestion, injection, cutaneous application, or other method. (uchicago.edu)
Program1
- He's director of the medical chronobiology program in Brigham and Women's Hospital's Division of Sleep and Circadian Disorders in Boston. (healthday.com)
Differences1
- Attention to these differences and similarities is necessary to understand eating disorders in midlife. (eurekamag.com)
Field1
- Chronobiology is a field of biology that examines timing processes, including periodic (cyclic) phenomena in living organisms, such as their adaptation to solar- and lunar-related rhythms. (lookformedical.com)
Night1
- Most movement disorders can take place at night and during the day, however, PLMD occurs exclusively during the nighttime hours. (andromenopause.com)