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Institutional rearing may increase risk for attention-deficit disorder by altering cortical development

Infancy and childhood are critical life periods that shape the development of the cortex. A generation of research suggests that enriched environments, full of interesting stimuli to explore, promote cortical development and cognitive function. In contrast, deprivation and stress may compromise cortical development and attenuate some cognitive functions. Young children who are raised in environments of psychosocial neglect, such as those who grow up in institutions for orphaned or abandoned children, are at markedly elevated risk for developing a wide range of mental health problems, including attention-deficit/hyperactivity disorder (ADHD). Now, new data from the Bucharest Early Intervention Project (BEIP), published in the current issue of Biological Psychiatry, suggests that this type of deprived early environment is associated with drastic changes in brain development in children. BEIP is a longitudinal study that has followed a sample of children raised from early infancy ...
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Gene variants implicated in ADHD identify attention, language

Are deficits in attention limited to those with attention-deficit/hyperactivity disorder (ADHD) or is there a spectrum of attention function in the general population? The answer to this question has implications for psychiatric diagnoses and perhaps for society, broadly. A new study published in the current issue of  Biological Psychiatry , by researchers at Cardiff University School of Medicine and the University of Bristol, suggests that there is a spectrum of attention, hyperactivity/impulsiveness and language function in society, with varying degrees of these impairments associated with clusters of genes linked with the risk for ADHD. Viewing these functions as dimensions or spectrums contrasts with a traditional view of ADHD as a disease category. To answer this question, researchers led by senior author Dr. Anita Thapar used genetic data from patients with ADHD as well as data from the Avon Longitudinal Study of Parents and Children (ALSPAC). The ALSPAC is based in ...
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Omega 3 can help children with ADD, experts say

Between three to six percent of all school age children are estimated to have ADHD (Attention Deficit Hyperactivity Disorder). ADHD is a disorder that entails a difficulty controlling impulses and temper, sitting still, waiting, or being attentive for more than short periods at a time. There are various kinds of ADHD where disturbances in attention, hyperactivity and impulsivity have varying degrees of prominence. ADHD is often treated with stimulant medications, which are effective for most, but do not work for everyone. Relevant improvement In this study, 75 children and adolescents with ADHD were given either the fatty acids omega 3 and 6 or a placebo over three months, and then they were all given omega 3/6 over three months. The study was conducted double-blind, which means that neither the researchers nor the participants were allowed to know whether they received the active capsules until afterwards. "For the group as a whole, we did not see any major improvement...
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ADHD-air pollution link: Breathing dirty air during pregnancy raises odds of childhood ADHD-related behavior problems

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Downtown New York (inventory picture). Researchers report that respiration soiled air throughout being pregnant raises the oddes of childhood ADHD-related habits issues. Credit score: © Mihai Simonia / Fotolia Prenatal publicity to polycyclic fragrant hydrocarbons, or PAH, a part of air air pollution, raises the percentages of habits issues related to consideration deficit hyperactivity dysfunction, or ADHD, at age 9, based on researchers on the Columbia Middle for Youngsters's Environmental Well being on the Mailman College of Public Well being. Outcomes are revealed on-line within the journal  PLOS ONE. The researchers adopted 233 nonsmoking pregnant girls and their kids in New York Metropolis from being pregnant into childhood, and located that kids born to moms uncovered to excessive ranges of PAH throughout being pregnant had 5 occasions the percentages of a higher-than-usual quantity and dipl...
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'Darting' mice may hold clues to ADHD, autism, bipolar disorder

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Mice inserted with a uncommon human genetic variation within the dopamine transporter may result in enhancements within the analysis and therapy of mind problems. Credit score: Picture courtesy of Vanderbilt College Medical Middle A darting mouse might maintain an necessary clue within the improvement of Consideration Deficit Hyperactivity Dysfunction (ADHD), autism and bipolar dysfunction, in accordance with a examine by a Vanderbilt College-led analysis crew lately printed within the  Proceedings of the Nationwide Academy of Sciences . The transgenic mouse, into which was inserted a uncommon human genetic variation within the dopamine transporter (DAT), may result in enhancements within the analysis and therapy of those all-too-common mind problems, stated Randy Blakely, Ph.D., the report's senior creator. The mutation, which has been present in folks with ADHD, autism and bipolar dysfunction, i...
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Global surge in ADHD diagnosis has more to do with marketing than medicine, expert suggests

Call it an economic and cultural plague, but not necessarily a medical one , says Brandeis professor Peter Conrad. In a recent paper in the journal  Social Science and Medicine , Conrad and coauthor Meredith Bergey examined the growth of ADHD in the United Kingdom, Germany, France, Italy and Brazil. Until recently, North America tallied by far the most ADHD diagnoses, and the United States consumed 90 percent of all Ritalin, one of the most common ADHD drugs. ADHD diagnoses continue to grow in the U.S., but Americans account for only 75 percent of Ritalin users today. Conrad and Bergey attribute ADHD's growth to five trends. Drug companies are effective lobbyists, and have spurred some countries to relax marketing restrictions on stimulants. Psychoanalytic treatment with talk therapy is giving way to biological psychiatry -- treating psychological problems with drugs. More European and South American psychologists and psychiatrists are adopting the American-based Diagnostic ...
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ADHD, conduct disorder linked to alcohol, tobacco use in young teens

Conduct disorder is a behavioral and emotional disorder marked by aggressive , destructive or deceitful behavior. The study is published in the journal  Drug and Alcohol Dependence . "Early onset of substance abuse is a significant public health concern," says William Brinkman, MD, a pediatrician at Cincinnati Children's Hospital Medical Center and the study's lead author. "Adolescents who use substances before the mid-teen years are more likely to develop dependence on them than those who start later. This is why prevention is so important." Dr. Brinkman and his colleagues studied data on more than 2,500 teens between the ages of 12 and 15. The data came from the 2000-2004 National Health and Nutrition Examination Survey (NHANES), which is a nationally representative sample of the United State population designed to collect information about health. Teens with a diagnosis of ADHD and conduct disorder had a three- to five-times increased likelih...
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