Frontal alpha. Medical search. Frequent questions

Gq/11-induced and spontaneous waves of coordinated network activation in developing frontal cortex. (nih.gov)
2012 ). They demonstrated relatively increased brain activation in fronto-parietal regions, most pronounced in the right frontal cortex after the administration of green tea extract during working memory (WM) processing as assessed by the N-back task (Borgwardt et al. (springer.com)
2011 ). It has been suggested that effective connectivity from the parietal cortex to the frontal cortex may contribute to the encoding of incoming stimuli (Ma et al. (springer.com)
Tryptophan hydroxylase activity measured in the hippocampus, striatum and frontal cortex of hyperthermic rats treated with 3,4-methylenedioxymethamphetamine was decreased to 61%, 65%, and 71% of control levels, respectively, 2 h after drug treatment. (erowid.org)
However, in hypothermic rats, 3,4-methylenedioxymethamphetamine had no effect on tryptophan hydroxylase activity in the hippocampus, striatum or frontal cortex. (erowid.org)
Preadministration of N-tert-butyl-alpha-phenylnitrone prevented 3,4-methylenedioxymethamphetamine from raising the temperature above normal and attenuated the drug-induced decrease in tryptophan hydroxylase activity in hippocampus, striatum and frontal cortex. (erowid.org)
MDA, MDMA, 4-hydroxy-3-methoxyamphetamine and alpha-methyldopamine, but not alpha-methylepinephrine, decreased the concentration of serotonin (5-HT) in the frontal cortex. (erowid.org)
Alpha-synuclein is expressed highly in neurons within the frontal cortex, hippocampus, striatum, and olfactory bulb. (standardofcare.com)
The cerebral cortex and cerebellum are exceptions, which contain rich cytosolic alpha-synuclein but very low levels of mitochondrial alpha-synuclein. (standardofcare.com)
The biggest snoozer, from what I recall, was a spot in the right frontal cortex. (jeejeebhoy.ca)
I had also learnt that alpha waves are associated with imagination, with my brain being able to process and synthesize new material, especially if stimulated in my left frontal cortex. (jeejeebhoy.ca)
Alpha power oscillation in the frontal cortex under Bromazepam and Modafinil effects. (bvsalud.org)
Patient samples available for examination were fresh- min, followed by 45 cycles at 95°C for 15 s and 60°C for frozen biopsy specimens of frontal cortex and postmortem 1 min. (cdc.gov)

This was followed by coactivation of a frontal-parietal system [superior frontal gyrus (SFG), middle frontal gyrus (MFG), LIP, anterior intraparietal sulcus (IPSa)] that may coordinate the transition from targeting the cued location to sustained deployment of attention to both space and feature in the last period. (jneurosci.org)
Green tea extract increased the working memory induced modulation of connectivity from the right superior parietal lobule to the middle frontal gyrus. (springer.com)

However research into anterior alpha asymmetry and MDD has often produced conflicting results. (essex.ac.uk)
The current study aimed to investigate whether individualized alpha bandwidths provide a more sensitive measure of anterior alpha asymmetry in MDD than the traditional fixed 8-13 Hz alpha band. (essex.ac.uk)
Individualizing and subdividing the alpha bandwidth did not add appreciably to the sensitivity of anterior alpha asymmetry in MDD as no significant differences in lateralized alpha power between controls and MDD participants were observed in any alpha bandwidth. (essex.ac.uk)
Variations were most noted in the frontal electrodes without right-left asymmetry. (qigonginstitute.org)
People with greater frontal alpha asymmetry are less able to regulate strong, emotional, affective states, such as anger, in their dreams. (neurosciencenews.com)

Frontal fibrosing alopecia, described just over 20 years ago, has become one of the most frequently seen causes of scarring alopecia at many specialist hair clinics. (skintherapyletter.com)
Frontal fibrosing alopecia (FFA) was first described in 1994 by Kossard as a new type of scarring alopecia. (skintherapyletter.com)

Emotion effects within frontal alpha oscillation in a picture oddball paradigm. (mpg.de)
The effect of temporal expectation on the correlations of frontal neural activity with alpha oscillation and sensory-motor latency. (bvsalud.org)

What researchers have found is that autistic children have minimal alpha wave activity in their frontal lobe. (gofundme.com)
The autistic child can hear, see and take in all the information available from their surroundings, yet the malfunctioning of their frontal lobe locks them in a prison where they cannot respond to others or express themselves. (gofundme.com)
MRT technology sends a magnetic current to the frontal lobe, inducing an EEG response, in other words producing alpha waves where there was once little or none. (gofundme.com)
The induced waves create a pathway that once opened will stay open allowing the frontal lobe to function properly. (gofundme.com)
The result is a child with a proper functioning frontal lobe and therefore a reduction in autism symptoms. (gofundme.com)
At least one mutation in the CHRNA2 gene has been found to cause autosomal dominant nocturnal frontal lobe epilepsy (ADNFLE). (medlineplus.gov)
The micturition inhibitory center in the frontal lobe also helps control urination. (msdmanuals.com)

Under stress, participants showed stronger left hemispheric activation over frontal electrodes as well as reduced left-hemispheric activation over occipital electrodes compared to the control condition. (knaw.nl)
Most importantly, the memory trials showed larger IBP decreases in the theta band over frontal electrodes than the sensory trials. (mpi.nl)

In the brain, alpha-synuclein is found mainly in the axon terminals of presynaptic neurons. (standardofcare.com)
Alpha-synuclein is extensively localized in the nucleus of brain neurons. (standardofcare.com)
Alpha-synuclein in mitochondria is differentially expressed in different brain regions and the background levels of mitochondrial alpha-synuclein may be a potential factor affecting mitochondrial function and predisposing some neurons to degeneration. (standardofcare.com)
Although the clinical outcome so far has been highly variable, the trials have provided evidence that grafted dopamine neurons can restore regulated dopamine release and movement-related frontal cortical activation in the transplanted patients, and - at least in some cases - give rise to significant symptomatic relief ( publications 5 below ). (lu.se)
Assessment of brain metabolite correlates of adeno-associated virus-mediated over-expression of human alpha-synuclein in cortical neurons by in vivo (1) H-MR spectroscopy at 9.4 T. (lu.se)

However, how width manipulation affects frontal plane stimuli is less understood. (unboundmedicine.com)
As stress provides a strong source of negative affect, the present study investigated how acute stress affects frontal EEG alpha asymmetries. (knaw.nl)

It slows brain waves, increasing theta and alpha. (earth-association.org)
Objective: To explore the reactivity of the theta and alpha rhythms during visuo-spatial working memory. (mpi.nl)
Oscillatory power in theta and alpha bands was compared between groups and between different behavioural conditions. (helsinki.fi)

They have well-coordinated frontal lobes. (freakonomics.com)
Our frontal lobes are what we use for higher brain functions, such as planning and logical thinking. (freakonomics.com)
It is unclear why the seizures seen in ADNFLE start in the frontal lobes of the brain and occur most often during sleep. (medlineplus.gov)

The last period involved direction-specific activity in parietal regions and both dorsal and ventral sensory regions [LIP, IPSa, ventral IPS, lateral occipital region, and fusiform gyrus], which was accompanied by activation that was not direction specific in right hemisphere frontal regions (FEF, SFG, MFG). Behavioral performance corresponded with the magnitude of attention-related activity in different brain regions at each time period during deployment. (jneurosci.org)
The present study measures stimulus-locked, signal-averaged [event-related field (ERF)] direction-specific attention activity across multiple frontal, parietal, and sensory cortical regions at each of multiple time periods during deployment. (jneurosci.org)
Previous work has shown that brain oscillations, particularly alpha rhythms (8-12 Hz) play important roles in sensory processes involving working memory and attention. (frontiersin.org)

001). That subnetwork encompassed many cortical areas, including the right superior frontal gyrus and the left precuneus, which are involved in the default mode network. (nih.gov)

The aim of this study was to measure cortical alpha during attentive listening in a commonly used SiN task (digits-in-noise, DiN) to better understand the neural processes associated with "top-down" cognitive processing in adverse listening environments. (frontiersin.org)
Our findings provide first evidence for the putative beneficial effect of green tea on cognitive functioning, in particular, on working memory processing at the neural system level by suggesting changes in short-term plasticity of parieto-frontal brain connections. (springer.com)
Alpha-synuclein is primarily found in neural tissue, making up as much as one percent of all proteins in the cytosol of brain cells. (standardofcare.com)

Within the MDD group, antidepressant use was associated with significantly greater right than left hemispheric power in the lower alpha 1 band. (essex.ac.uk)

and (3) when individual EEG trials were sorted according to correct and incorrect digit identification, the temporal alpha ERD was consistently greater on correctly identified trials. (frontiersin.org)
Temporal alpha ERD was related to correct digit identification. (frontiersin.org)

Another characteristic is that activity at a certain frequency, so-called alpha waves, dominates. (freakonomics.com)
Alpha waves occur when the brain puts together details into wholes. (freakonomics.com)
Stage III shows slowing with high voltage triphasic waves, typically 1.5-3 Hz and 150-300 uV, and bilaterally symmetrical with frontal predominance. (studystack.com)

Specifically, the medial dorsal nucleus is related to changes in beta synchrony, the pulvinar is responsible for alpha synchrony, and the anterior thalamus is related to theta synchrony. (nih.gov)

Alpha-synuclein is expressed principally in the nervous system, but it is also produced in other tissues, including the skin. (biolegend.com)

During the retention interval, sustained occipital-parietal alpha power increase and frontal theta power decrease were found. (mpi.nl)
The moderate massage group also experienced a decrease in heart rate and EEG changes including an increase in delta and a decrease in alpha and beta activity, suggesting a relaxation response. (unboundmedicine.com)
Since hypothermia may prevent the 3,4-methylenedioxymethamphetamine-induced decrease in tryptophan hydroxylase activity by reducing the formation of free radicals, the effect of a free radical scavenging agent, N-tert-butyl-alpha-phenylnitrone, was examined. (erowid.org)

Both indices are derived from the frontal electroencephalogram (EEG) and implemented in the qCON 2000 monitor (Quantium Medical, Barcelona, Spain). (researchgate.net)

However, when the rats treated with a combination of N-tert-butyl-alpha-phenylnitrone and 3,4-methylenedioxymethamphetamine were maintained at hyperthermic conditions, N-tert-butyl-alpha-phenylnitrone had no protective effect. (erowid.org)
Rats were injected SC with a dose of 10 mg/kg (as base) of 3,4-methylenedioxyamphetamine (MDA), or 3,4-methylenedioxymethamphetamine (MDMA), 4-hydroxy-3-methoxyamphetamine, alpha-methyldopamine and alpha-methylnorepinephrine, metabolites of MDA, and alpha-methylepinephrine, a putative metabolite of MDMA, twice daily for either 5 or 7 consecutive doses. (erowid.org)

Lateralized differences in frontal alpha power in individuals with major depressive disorder (MDD) are thought to reflect an aberrant affective processing style. (essex.ac.uk)
Frontal EEG alpha band asymmetries have been linked to affective processing in healthy individuals and affective disorders. (knaw.nl)

Notably, the magnitude of green tea induced increase in parieto-frontal connectivity positively correlated with improvement in task performance. (springer.com)

Alpha-synuclein (aSyn) is a protein that, in humans, is encoded by the SNCA gene. (standardofcare.com)
In the axon terminals alpha-synuclein interacts with phospholipids and proteins. (standardofcare.com)
In Parkinson's disease and other synucleinopathies, insoluble forms of alpha-synuclein accumulate as inclusions in Lewy bodies. (standardofcare.com)
The alpha-synuclein protein is made of 140 amino acids. (standardofcare.com)
Alpha-synuclein is a synuclein protein of unknown function. (standardofcare.com)
Alpha-synuclein can also be found in the non-neuronal glial cells. (standardofcare.com)
Alpha synuclein potentially connects the gut-brain axis in Parkinson's disease patients. (standardofcare.com)
Common inherited Parkinson disease is associated with mutations in the alpha-synuclein (SNCA) gene. (standardofcare.com)
Alpha-synuclein acquires a cross-sheet structure similar to other amyloids. (standardofcare.com)
Alpha-synuclein in solution is considered to be an intrinsically disordered protein, lacking a single stable 3D structure. (standardofcare.com)
Alpha-synuclein is specifically upregulated in a discrete population of presynaptic terminals of the brain during a period of acquisition-related synaptic rearrangement. (standardofcare.com)
Alpha-synuclein significantly interacts with tubulin, and that alpha-synuclein may have activity as a potential microtubule-associated protein, like tau. (standardofcare.com)
Alpha-synuclein functions as a molecular chaperone, and is involved in the functioning of the neuronal Golgi apparatus and vesicle trafficking. (standardofcare.com)
Alpha-synuclein is essential for normal development of the cognitive functions. (standardofcare.com)
Alpha-synuclein is known to directly bind to lipid membranes, associating with the negatively charged surfaces of phospholipids. (standardofcare.com)
The binding of alpha-synuclein to lipid membranes alters the bilayer structure and leading to the formation of small vesicles. (standardofcare.com)
Aggregated states of alpha-synuclein permeate the membrane of lipid vesicles. (standardofcare.com)
Studies suggest that alpha synuclein plays a role in restricting the mobility of synaptic vesicles, consequently attenuating synaptic vesicle recycling and neurotransmitter release. (standardofcare.com)
In addition, however, the analysis revealed that a portion of the grafted cells had developed the type of alpha-synuclein inclusions, Lewy bodies, that is a hallmark of cells affected by Parkinson´s disease. (lu.se)

Moreover, the results support the capability model of emotional regulation which states that frontal asymmetries during emotional challenge are more pronounced compared to asymmetries during rest. (knaw.nl)

As it progresses, the voltage decreases and alpha rhythm diminishes. (studystack.com)

It increases blood flow in some frontal brain regions. (earth-association.org)

At femur parallel, stance width manipulation in the barbell back squat may provide substantial differences in biomechanical stimulus in both the sagittal plane and the frontal plane. (unboundmedicine.com)
However, there were no between-groups differences in frontomedial theta power and parietal or frontal alpha power. (helsinki.fi)

Silent carriers may be detected by alpha gene analysis. (medscape.com)
Alpha-globin gene analysis can confirm the absence of 2 alpha-globin genes. (medscape.com)

7th Space Interactive July 23, 2011 Estrogens exert anti-inflammatory and neuroprotective effects in the brain mainly via estrogen receptors alpha (ERalpha) and beta (ERbeta). (sanevax.org)
The vibratory stimulation group also showed increased arousal, as indicated by increased heart rate and increased theta, alpha, and beta activity. (unboundmedicine.com)
May show high voltage beta activity and slowing with rhythmic polymorphic delta, triphasic activity, or even alpha coma, burst-suppression or ECS. (studystack.com)
EEG spectra were averaged during 30 seconds to produce relative frequencies and their peaks which were divided into delta(0.5-4.0 Hz), theta(4.5-8.0 Hz), alpha(8.5-13.0 Hz), beta 1(13.5-20.0 Hz), beta 2(20.5-30.0 Hz) bands. (qigonginstitute.org)
Large individual variations were found across subjects in theta, alpha, beta 2 fractions, although the difference between on and off meditation was not significant. (qigonginstitute.org)
A number of studies have shown a negative correlation between memory retrieval in alpha and beta power, and a positive correlation between retrieval and theta power. (nih.gov)
Each nAChR protein is made up of a combination of five subunits, usually two alpha (α) and three beta (β) subunits. (medlineplus.gov)

Finally, this group showed increased positive affect, as indicated by a shift toward left frontal EEG activation. (unboundmedicine.com)

In assessing the frequency of the alpha rhythm, alerting maneuvers are essential in order to ensure that the patient is in the best awake state and not drowsy. (medscape.com)
The brain's magnetic field, measuring at 10 femto tesla (fT) for cortical activity and 10 3 fT for the human alpha rhythm , is considerably smaller than the ambient magnetic noise in an urban environment, which is on the order of 10 8 fT or 0.1 μT. (wikipedia.org)

A sequence of activation from V1/V2 to extrastriate, parietal, and frontal regions occurred within 110 ms after cue, possibly related to extraction of cue meaning. (jneurosci.org)

Each participant's Individual Alpha Frequency was used to delineate a broad individualized alpha band and three individualized narrow alpha sub-bands: lower alpha1, lower alpha 2 and upper alpha. (essex.ac.uk)
In early dementia, the resting alpha frequency declines. (medscape.com)
Most authors agree that the lower limit of normal alpha frequency is 8 Hz (cycles per second). (medscape.com)

The spectrum of the disease has expanded from involvement of the frontal hairline and eyebrows, to potentially affecting the entire hairline, facial and body hair. (skintherapyletter.com)

Working memory effect on effective connectivity between frontal and parietal brain regions was evaluated using dynamic causal modeling. (springer.com)
Modeling effective connectivity among frontal and parietal brain regions during working memory processing might help to assess the efficacy of green tea for the treatment of cognitive impairments in psychiatric disorders such as dementia. (springer.com)
However, successful WM processing during the N-back task requires a functional coupling of parietal and frontal brain regions as shown by functional (Owen et al. (springer.com)

Activity within the broad and narrow individualized bandwidths and within the traditional fixed alpha band were used to compare a) controls and acutely depressed individuals and b) medicated and unmedicated MDD participants. (essex.ac.uk)
Functional connectivity between cortical regions was assessed in the alpha band (8-13 Hz) using an electroencephalography source connectivity method. (nih.gov)

2) overall, alpha event-related synchronization (ERS) of central/parietal sources were observed during active listening when data were grand averaged across all participants. (frontiersin.org)

Initially, slowing of alpha & increase of theta, followed by polymorphic delta activity & FIRDA. (studystack.com)

The history and physical findings in patients with alpha thalassemia vary according to the number of alpha-globin chains deleted. (medscape.com)

Cholestanol is formed in a pathway from the bile acid precursor 7-alpha-hydroxy-4-cholesten-3-one. (medscape.com)

Orthologous to human GNA11 (G protein subunit alpha 11). (nih.gov)

Comparison of these studies suggests that while there are commonalities, the active cortical regions at each stage differ for alpha and theta. (jneurosci.org)
In stimulatory studies, MDA and MDMA, but not their metabolites except alpha-methylepinephrine, which increased activity at 15 and 30 min, increased locomotor activity from 15 to 180 min following the drug administration. (erowid.org)

TY - JOUR T1 - Effects of barbell back squat stance width on sagittal and frontal hip and knee kinetics. (unboundmedicine.com)

Anatomy4

Diseases2

Chemicals and Drugs3

Analytical, Diagnostic and Therapeutic Techniques and Equipment3

Phenomena and Processes1

Cortex13

Middle front2

Asymmetry5

Fibrosing Alopecia2

Oscillation2

Lobe7

Electrodes2

Neurons5

Affects frontal2

Theta and alpha3

Lobes3

Sensory3

Cortical areas1

Neural3

Hemispheric1

Temporal2

Waves3

Thalamus1

Tissues1

Decrease3

20001

Rats2

Affective2

Magnitude1

Synuclein19

Emotional1

Decreases1

Increases1

Differences2

Gene2

Beta7

Left1

Rhythm2

Activation1

Frequency3

Potentially1

Brain regions3

Band2

Participants1

Increase1

Findings1

Pathway1

Human1

Studies2

Effects1