Neuropsychology and Neurology News

‘Smart Drugs’ May Have Negative Effects

November 13th, 2014
A new study suggests so-called "smart drugs" such as modafinil (brand name Provigil) may have negative effects in healthy people. Currently, it is claimed that one in five students have taken modafinil to boost their ability to study and improve their chances of exam ...

Anxiety Increases Risk of Alzheimer’s Disease

November 11th, 2014
A new study discovers that people with mild cognitive impairment (MCI) are at increased risk of Alzheimer's disease within a few years. And the risk of Alzheimer’s increases significantly if they suffer from anxiety. Researchers at Baycrest Health Sciences' Rotman Research Institute in Toronto, ...

Study Probes Neuroscience of Bipolar Risk-Taking

November 10th, 2014
Researchers are beginning to discover some of the reasons why bipolar disorder can cause people to engage in risky behavior. The condition involves fluctuating depression and mania. In the manic stage, the patient often feels intense excitement and irritability, which can trigger ...

Brain’s Threat Response Calmed by Seeing Love & Support

November 10th, 2014
New research suggests that being reminded of being loved and cared for can reduce the brain's hypervigilant response to stress. University of Exeter (U.K.) investigators found that observing pictures of others being loved and cared for reduces the brain's response to threat. The findings ...

Breathing Dirty Air During Pregnancy May Hike ADHD Risk

November 6th, 2014
A new study suggests exposure to dirty air during pregnancy increases the risk of odds of behavior problems associated with attention-deficit hyperactivity disorder, or ADHD. Researchers at the Columbia Center for Children's Environmental Health at the Mailman School of Public Health discovered prenatal ...

Insomnia Linked to Increased Risk of Motor Vehicle Deaths

November 2nd, 2014
New research shows that insomnia is a major contributor to deaths caused by motor vehicle crashes and other unintentional fatal injuries. A new study shows that the risk of unintentional fatal injury increased with the number of insomnia symptoms present. People with three ...

One-Fifth of Schizophrenia Cases Could Involve Parasite

November 2nd, 2014
The hypotheses that schizophrenia may be linked to Toxoplasma gondii (T. gondii) -- a parasite transmitted by soil, undercooked meat, and cat feces -- is still viewed with skepticism. A new study, however, suggests that about one-fifth of cases may involve the ...

Brain’s White Matter Arrayed Differently in Dyslexic Kids

November 1st, 2014
White matter in the brains of children with dyslexia may be structured differently compared to typically developing readers, according to new research at Vanderbilt University. For the study, published in the journals Brain Connectivity and Brain Research, researchers used neuroimaging to examine structural ...

Ketamine Used to Counter Loss of Pleasure in Bipolar Depression

November 1st, 2014
Ketamine, recently the focus of research as a rapid-acting antidepressant that can ease symptoms within hours instead of weeks, is now being studied as a fast-acting mood-lifter to treat bipolar patients. In a National Institutes of Health (NIH) trial, the drug -- sometimes referred to ...

Parenting Style Probably Does Not Raise IQ in Children

October 31st, 2014
The ability to improve intelligence by environmental manipulation remains a subject of considerable debate. New research explores if a parents interactions with their child can help boost the child’s intelligence. For example, does reading bedtime stories, engaging in ...