• behavior
  • Together, these data demonstrate that specific key brain circuits are vulnerable to alcohol's effects during adolescence, with lasting and potentially detrimental consequences for behavior. (news-medical.net)
  • Binge drinking during adolescence is associated with traffic accidents and other types of accidents, violent behavior as well as suicide. (wikipedia.org)
  • This is crucial because adolescence is the turning point when behavior patterns take shape and any most of the addictions begin in this stage. (treatmentcenters.com)
  • Initially, the Illinois research looked at whether exposure to bisphenol A (BPA) and phthalates alters infant and adolescent physical development, cognition, or behavior. (phys.org)
  • A high-fat diet not only creates health problems for expectant mothers, but new research in an animal model suggests it alters the development of the brain and endocrine system of their offspring and has a long-term impact on offspring behavior. (medicalxpress.com)
  • Exposure to a High-Fat Diet during Early Development Programs Behavior and Impairs the Central Serotonergic System in Juvenile Non-Human Primates, Frontiers in Endocrinology (2017). (medicalxpress.com)
  • While occasional hostile attribution bias is normative (particularly for younger children), researchers have found that individuals who exhibit consistent and high levels of hostile attribution bias across development are much more likely to engage in aggressive behavior (e.g., hitting/fighting, reacting violently, verbal or relational aggression) toward others. (wikipedia.org)
  • A study conducted in a remedial kindergarten class in the Edna A. Hill Child Development Laboratory in the University of Kansas designed a program to measure how children could ease disruptive behavior in their peers through a two-part system. (wikipedia.org)
  • After describing a series of tasks to their classroom that included bathroom usage, cleaning up, and general classroom behavior, teachers and researchers would observe children's performance on the tasks. (wikipedia.org)
  • Adolescence is the time when a person is most susceptible to peer pressure because peers become an important influence on behavior during adolescence, and peer pressure has been called a hallmark of adolescent experience. (wikipedia.org)
  • Partially, because of this, young adolescents are generally less equipped than adults to make sound decisions and anticipate consequences of sexual behavior, although brain imaging and behavioral correlation studies in teens have been criticized for not being causative thus possibly reaffirming cultural biases. (wikipedia.org)
  • maturation
  • Implicit memory is controlled by an early-developing memory system in the brain that is present very early on, and can be explained by the early maturation of striatum, cerebellum, and brain stem, which are all involved in implicit learning and memory. (wikipedia.org)
  • cannabis
  • In a rebuttal letter published in the March 4, 2013 issue of PNAS, the authors of the first study note that SES could not account for the findings they observed, because adolescent cannabis use was not more prevalent in populations with lower SES. (drugabuse.gov)
  • Researchers administered IQ tests to over 1,000 individuals at age 13 (born in 1972 and 1973) and assessed their patterns of cannabis use at several points as they aged. (drugabuse.gov)
  • One of the most critical groups to study in relation to cannabis use is the adolescent population. (socialworktoday.com)
  • Fortunately, there are numerous studies being conducted today that aim to help everyone-professionals and adolescents and their support systems-better understand the impact cannabis can have on a young brain. (socialworktoday.com)
  • Furthermore, by starting research when youths are 9 or 10, the ABCD researchers are more likely to have the ability to document the difference in a youth's development prior to and after the start of cannabis use. (socialworktoday.com)
  • Importantly, this study will begin collecting this vast amount of information among children before most of them have begun to use substances, allowing us to characterize risk and resilience factors, as well as the impact of cannabis and other drug use on development," Dowling notes. (socialworktoday.com)
  • 4 Evidence on the role of adolescent cannabis use as a gateway to use of other illicit drugs, and its relationship with tobacco use and alcohol, is inconsistent. (bmj.com)
  • Longitudinal studies are required to tease out the relationship between cannabis use exposure and drug-related harm. (bmj.com)
  • 7 , 13 As young people do not initiate cannabis use at the same time, or develop similar patterns during adolescence, latent variable modelling is a useful tool to characterise different adolescent cannabis trajectories. (bmj.com)
  • During adolescence the endocannabinoid system in the brain undergoes a lot of change, and interfering with these changes by using cannabis could have consequences for the development of healthy brains in adults," says Dr Leonora Long of Neuroscience Research Australia (NeuRA) . (healthcanal.com)
  • Considering that cannabis use is common amongst teens and that adolescence is a time when adult behaviours and decision-making are being developed, our discovery that the adolescent brain may be more vulnerable to the effects of cannabis is significant," says Dr Long. (healthcanal.com)
  • A recent large longitudinal twin study found little evidence that adolescent cannabis use causes IQ decline. (wikipedia.org)
  • Recent medical evidence strongly suggests that the long-term use of cannabis by people who begin use at an early age display a higher tendency towards mental health problems and other physical and development disorders, although the causal link is not yet definitively established. (wikipedia.org)
  • Key predisposing variables include age of first exposure, frequency of use, the potency of the cannabis used, and individual susceptibility. (wikipedia.org)
  • marijuana
  • Sept. 12 (UPI) -- Researchers at the University of Western Ontario have developed a method to use pharmaceuticals to reverse the negative psychiatric effects of THC in marijuana. (upi.com)
  • What is important about this study is that not only have we identified a specific mechanism in the prefrontal cortex for some of the mental health risks associated with adolescent marijuana use, but we have also identified a mechanism to reverse those risks," Steven Laviolette, professor at Western Ontario's Schulich School of Medicine & Dentistry, said in a news release . (upi.com)
  • Researchers at Western University have found a way to use pharmaceuticals to reverse the negative psychiatric effects of THC, the psychoactive chemical found in marijuana. (medicalxpress.com)
  • Observational studies in humans cannot account for all potentially confounding variables when addressing change in a complex trait like IQ, and future studies will be needed to further clarify exactly how much intelligence may be lost as a result of adolescent marijuana use. (drugabuse.gov)
  • Regular marijuana use in adolescence is part of a cluster of behaviors that can produce enduring detrimental effects and alter the trajectory of a young person's life-thwarting his or her potential. (drugabuse.gov)
  • September 10, 2012 - We repeatedly hear the myth that marijuana is a benign drug-that it is not addictive (which it is) or that it does not pose a threat to the user's health or brain (which it does). (drugabuse.gov)
  • A major new study published last week in Proceedings of the National Academy of Sciences (and funded partly by NIDA and other NIH institutes) provides objective evidence that, at least for adolescents, marijuana is harmful to the brain. (drugabuse.gov)
  • While this study cannot exclude all potential contributory factors (e.g., child abuse, subclinical mental illness, mild learning disabilities), the neuropsychological declines following marijuana use were present even after researchers controlled for factors like years of education, mental illness, and use of other substances. (drugabuse.gov)
  • There is much to learn about how varied adolescent experiences - playing video games, for example, or sleep habits, or head injuries from sports, and experimentation with alcohol, tobacco, marijuana or other substances - affect development and vice-versa. (ucsd.edu)
  • neuroscience
  • There's been an incredible explosion in scientific data that allows us to understand the brain better as genetics, research, physics, imaging and cognitive research have all collided to present an unprecedented opportunity of multimodality and multidisciplinary research," says Sergio Gonzalez-Arias, M.D., Ph.D., chairman of the Department of Neuroscience at the Herbert Wertheim College of Medicine . (fiu.edu)
  • We at FIU have an incredible group of well-respected and renowned neuroscience researchers coming together, and this provides endless opportunities in today's research world," Gonzalez-Arias says. (fiu.edu)
  • Binge drinking can have lasting effects on brain pathways that are still developing during adolescence, say neuroscience researcher Heather N. Richardson and her colleagues at the University of Massachusetts Amherst and Louisiana State University. (crosswalk.com)
  • Results of their study using a rodent model of adolescent drinking appear in the October 29 issue of The Journal of Neuroscience . (crosswalk.com)
  • psychiatric
  • Current psychiatric research into the development of the disorder often focuses on the role of neurobiology, although a reliable and identifiable organic cause has not been found. (mcgill.ca)
  • However, while sociological exposures are still widely studied in psychiatric epidemiology, the field has since expanded to the study of a wide area of environmental risk factors, such as major life events, as well as genetic exposures. (wikipedia.org)
  • Increasingly neuroscientific techniques like MRI are used to explore the mechanisms behind how exposures to risk factors may impact psychological problems and explore the neuroanatomical substrate underlying psychiatric disorders. (wikipedia.org)
  • These allow the study of naturally occurring exposures and how they affect changes in psychiatric symptoms. (wikipedia.org)
  • cognition
  • Illinois psychology professor Daniel Hyde is joining the study to introduce new measures of infant brain activity that the researchers hope will reveal underlying neurophysiological changes that may be mediating changes in cognition. (phys.org)
  • While researchers have found that moderate alcohol consumption in older adults is associated with better cognition and well-being than abstinence, excessive alcohol consumption is associated with widespread and significant brain lesions. (wikipedia.org)
  • Puberty
  • However the rate of conversion from testosterone to estradiol (driven by FSH/LH balance) during early puberty is highly individual, resulting in very diverse development patterns of secondary sexual characteristics. (wikipedia.org)
  • Production of progesterone in the ovaries begins with the development of ovulatory cycles in girls (during the lutheal phase of the cycle), before puberty low levels of progesterone are produced in the adrenal glands of both boys and girls. (wikipedia.org)
  • This reactivity decreases until a person enters adolescence, where it increases dramatically at puberty. (wikipedia.org)
  • Adolescent sexuality begins at puberty. (wikipedia.org)
  • ABCD
  • The ABCD Coordinating Center is housed at UC San Diego, led by Terry Jernigan, professor of cognitive science, psychiatry and radiology and director of the Center for Human Development and Sandra Brown, vice chancellor for research and professor of psychology and psychiatry. (ucsd.edu)
  • serotonin
  • Adolescent MDMA exposure partially attenuated the hyperthermic effects of the PD 67 MDMA challenge, completely blocked the locomotor hypoactivity otherwise observed on the day after the challenge, and also prevented MDMA-induced serotonin neurotoxicity assessed on PD 74 by measuring regional [ 3 H]citalopram binding to the serotonin transporter (SERT). (aspetjournals.org)
  • Adolescent MDMA-treated animals also showed a partial attenuation of the serotonin syndrome but not the hypothermic response to the high dose of 8-OH-DPAT. (aspetjournals.org)
  • While some persistent cognitive deficits were found, no significant group differences in serotonin or dopamine levels were found in any of the measured regions of the brain changes, cortical or subcortical. (scirp.org)
  • binge
  • The more often a child or adolescent binge drinks and the younger they are the more likely that they will develop an alcohol use disorder including alcoholism . (wikipedia.org)
  • There is also evidence from animal studies that binge drinking causes brain damage. (wikipedia.org)
  • The main lobes that are involved in decision making and complex thought processes are undergoing their final development phase during adolescence and binge drinking can negatively stunt the growth of these frontal lobes. (wikipedia.org)
  • Heavy and regular binge drinking during adolescence is associated with an increased risk of alcoholism. (wikipedia.org)
  • study
  • The new research is part of a large-scale study of health and development conducted in New Zealand. (drugabuse.gov)
  • The central project, called the Illinois Kids Development Study (I-KIDS), follows pregnant women and their babies, measuring the levels of the compounds of interest in maternal urine during pregnancy and collecting data on possible sources of exposure. (phys.org)
  • Researchers are expanding the I-KIDS study to include information about maternal weight and maternal and infant diet. (phys.org)
  • phthalate exposure in the rodent study will replicate the pattern of phthalate exposure found in the women participating in the birth cohort study. (phys.org)
  • The study includes comprehensive assessments of physical and mental health, substance use, culture and environment, neurocognition, as well as structural and functional brain imaging, and biospecimen collection for environmental, hormonal, and genetic analyses. (socialworktoday.com)
  • Two notable historical studies focusing on etiology are the Dunedin Multidisciplinary Health and Development Study and the Christchurch Health and Development Study. (wikipedia.org)
  • The study of adolescent development often involves interdisciplinary collaborations. (wikipedia.org)
  • The way that researchers study the memory capabilities of infants in this age range is through measuring eye movements between test images presented. (wikipedia.org)
  • Because these developmental changes may be strongly influenced by genetic factors and events during prenatal life, genetics and prenatal development are usually included as part of the study of child development. (wikipedia.org)
  • Since its publication in 1979, Bronfenbrenner's major statement of this theory, The Ecology of Human Development has had widespread influence on the way psychologists and others approach the study of human beings and their environments. (wikipedia.org)
  • males
  • Despite the early development of female amygdalae, they reach their growth potential sooner than males, whose amygdalae continue to develop. (wikipedia.org)
  • early
  • Researchers at the RIKEN Brain Science Institute in Japan have discovered a process through which changes in nutrition during early mouse pregnancy lead to offspring that develop schizophrenic-like symptoms as adults. (medicalxpress.com)
  • Such studies suggest that genetics, prenatal development, early environment, neurobiology and psychological and social processes are important contributory factors. (wikipedia.org)
  • Deficits in retrieval of verbal and nonverbal information and in visuospatial functioning were evident in youths with histories of heavy drinking during early and middle adolescence. (wikipedia.org)
  • It is inferred that the early development of the left amygdala functions to provide infants the ability to detect danger. (wikipedia.org)
  • found
  • So while it appeared that nothing had changed, the researchers found something interesting upon looking more closely: One area in the back center of the brain was more active in the post-class students. (fiu.edu)
  • Thus age provides only a rough marker of adolescence, and scholars have found it difficult to agree upon a precise definition of adolescence. (wikipedia.org)
  • findings
  • Given the high level of dietary fat consumption and maternal obesity in developed nations, these findings have important implications for the mental health of future generations ," the researchers report. (medicalxpress.com)
  • Dr. Li also delivered a lecture entitled "Alcohol Research: Now and the Future," in the RSA Student Lecture Series, and co-chaired a session on "Alcohol-Induced Brain Damage: New Findings from the Asian-Pacific Region. (nih.gov)
  • endocrine
  • These chemicals, which have become ubiquitous in American households over the past 50 years, act as "endocrine disruptors," mimicking and potentially interfering with hormone-mediated development of the brain and reproductive functions. (phys.org)
  • This can be due to any number of factors, including improved nutrition resulting in rapid body growth, increased weight and fat deposition, or exposure to endocrine disruptors such as xenoestrogens, which can at times be due to food consumption or other environmental factors. (wikipedia.org)
  • frontal
  • Several brain regions in the frontal lobe of the cerebral cortex and in the hypothalamus that are deemed important for self-control, delayed gratification, risk analysis, and appreciation are not fully mature. (wikipedia.org)
  • adult
  • First, they tested the adult mice for changes in the density and structure of dendritic spines (nerve endings) in the infralimbic cortex (IL), prelimbic cortex (PL) and basolateral amygdala (BLA) regions of the brain. (news-medical.net)
  • It is the stage of life characterized by the appearance and development of secondary sex characteristics (for example, a deeper voice and larger adam's apple in boys, and development of breasts and more curved and prominent hips in girls) and a strong shift in hormonal balance towards an adult state. (wikipedia.org)
  • changes
  • They have shown that exposure to cannabinoids during adolescent development can cause long-lasting changes in the brain's reward system as well as the hippocampus, a brain area critical for learning and memory. (drugabuse.gov)
  • These results provide evidence for compromised neurocognition that continues long after drug exposure in the absence of any discernable changes in neurotransmitter levels. (scirp.org)
  • Major pubertal and biological changes include changes to the sex organs, height, weight, and muscle mass, as well as major changes in brain structure and organization. (wikipedia.org)
  • Some of the most significant parts of pubertal development involve distinctive physiological changes in individuals' height, weight, body composition, and circulatory and respiratory systems. (wikipedia.org)
  • Together, these results suggest that alcohol exposure during adolescence can sensitize the mesolimbic and mesocortical dopamine pathways to cause changes in dopaminergic and glutamatergic signaling, which may affect the remodeling and functions of the adolescent brain. (wikipedia.org)
  • Child development entails the biological, psychological and emotional changes that occur in human beings between birth and the end of adolescence, as the individual progresses from dependency to increasing autonomy. (wikipedia.org)
  • Long-term effects of alcohol consumption include changes in the metabolism of the liver and brain and alcoholism. (wikipedia.org)
  • adolescents
  • Steven Youngentob cautioned that "Within the context of 'at risk' adolescents, prior exposure to (alcohol) may, among other things, worsen the consequences of alcohol-related social interaction by increasing teenagers' propensity to engage in such settings. (treatmentcenters.com)
  • Some scientists have questioned the universality of adolescence as a developmental phase, arguing that traits often considered typical of adolescents are not in fact inherent to the teenage years. (wikipedia.org)
  • Adolescent sexuality is a stage of human development in which adolescents experience and explore sexual feelings. (wikipedia.org)
  • time
  • Phthalates, which are used in plastics, cosmetics, building materials, food wrappers, textiles, toys, and in the coating of some time-release medications, at high exposure levels have been shown to cause birth defects in rodents. (phys.org)
  • It is also a time of significant social and emotional development, and demanding intellectual/academic performance. (socialworktoday.com)
  • If you've lived through your own or your kids' adolescence, you know it's an extraordinary time, marked by tremendous growth and a host of opportunities as well as challenges. (ucsd.edu)
  • advances
  • The development of memory in children becomes evident within the first 3 years of a child's life as they show considerable advances in declarative memory. (wikipedia.org)
  • pathways
  • Understanding how the pathways within the brain work to enable the functionality of its connections-electrical, anatomical and physiological - has long eluded us, in part because they could not be easily seen or observed. (fiu.edu)
  • intellectual
  • Factors such as poverty that are frequently associated with PCE have a much stronger influence on children's intellectual and academic abilities than does exposure to cocaine in isolation. (wikipedia.org)
  • won't ever achieve the intellectual development to have consciousness of God. (wikipedia.org)
  • Jean Piaget was a Swiss scholar who began his studies in intellectual development in the 1920s. (wikipedia.org)
  • widely
  • A University of Illinois research program that investigates the health effects of exposure to chemicals widely used in plastics has received a five-year, $8 million grant as part of the Children's Environmental Health and Disease Prevention Research Centers program, jointly funded through the U.S. Environmental Protection Agency (USEPA) and the National Institute of Environmental Health Sciences (NIEHS). (phys.org)
  • research
  • Families that volunteer will be part of research that promises to inform future educational strategies, child development innovations, research priorities, more effective public health interventions, and science-based policy decisions. (ucsd.edu)
  • Recent research on the development of memory has indicated that declarative, or explicit memory, may exist in infants who are even younger than two years old. (wikipedia.org)
  • Increased research and interest in this field has resulted in new theories and strategies, with specific regard to practice that promotes development within the school system. (wikipedia.org)
  • ethanol
  • Ethanol can trigger the activation of astroglial cells which can produce a proinflammatory response in the brain. (wikipedia.org)
  • Ethanol has different effects on different types of actively dividing hippocampal progenitors during their initial phases of neuronal development. (wikipedia.org)