News tagged with behavior change


Genetic predictors of postpartum depression uncovered

Johns Hopkins researchers say they have discovered specific chemical alterations in two genes that, when present during pregnancy, reliably predict whether a woman will develop postpartum depression.

Psychology & Psychiatry created May 21, 2013 | popularity not rated yet | comments 0 | with audio podcast

Competing pathways affect early differentiation of higher brain structures

Sand-dwelling and rock-dwelling cichlids living in East Africa's Lake Malawi share a nearly identical genome, but have very different personalities. The territorial rock-dwellers live in communities where ...

Neuroscience created Apr 26, 2013 | popularity not rated yet | comments 3 | with audio podcast

Single dose of hallucinogen may create lasting personality change

A single high dose of the hallucinogen psilocybin, the active ingredient in so-called "magic mushrooms," was enough to bring about a measureable personality change lasting at least a year in nearly 60 percent of the 51 participants ...

Psychology & Psychiatry created Sep 29, 2011 | popularity 4.8 / 5 (28) | comments 40 | with audio podcast

Change diet, exercise habits at same time for best results, study says

Most people know that the way to stay healthy is to exercise and eat right, but millions of Americans struggle to meet those goals, or even decide which to change first. Now, researchers at the Stanford University School ...

Health created Apr 21, 2013 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Childhood trauma leaves its mark on the brain

It is well known that violent adults often have a history of childhood psychological trauma. Some of these individuals exhibit very real, physical alterations in a part of the brain called the orbitofrontal ...

Psychology & Psychiatry created Jan 15, 2013 | popularity 4.5 / 5 (6) | comments 1 | with audio podcast

Study identifies biological mechanism that plays key role in early-onset dementia

Using animal models, scientists at the Gladstone Institutes have discovered how a protein deficiency may be linked to frontotemporal dementia (FTD)—a form of early-onset dementia that is similar to Alzheimer's disease. ...

Neuroscience created Oct 08, 2012 | popularity not rated yet | comments 0 | with audio podcast

Cocaine and the teen brain: Study offers insights into addiction

When first exposed to cocaine, the adolescent brain launches a strong defensive reaction designed to minimize the drug's effects, Yale and other scientists have found. Now two new studies by a Yale team identify key genes ...

Neuroscience created Feb 21, 2012 | popularity 3 / 5 (1) | comments 0 | with audio podcast

Study finds how BPA affects gene expression, anxiety; Soy mitigates effects

New research led by researchers at North Carolina State University shows that exposure to the chemical bisphenol A (BPA) early in life results in high levels of anxiety by causing significant gene expression changes in a ...

Medical research created Sep 07, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Male mice exposed to chronic social stress have anxious female offspring

A study in mice conducted by researchers at Tufts University School of Medicine (TUSM) suggests that a woman's risk of anxiety and dysfunctional social behavior may depend on the experiences of her parents, particularly fathers, ...

Psychology & Psychiatry created Aug 22, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Using human brain cells to make mice smarter

Glial cells – a family of cells found in the human central nervous system and, until recently, considered mere "housekeepers" – now appear to be essential to the unique complexity of the human brain. Scientists reached ...

Medical research created Mar 07, 2013 | popularity 3.7 / 5 (3) | comments 2 | with audio podcast

Researchers map damaged connections in Phineas Gage's brain

(Medical Xpress) -- Poor Phineas Gage. In 1848, the supervisor for the Rutland and Burlington Railroad in Vermont was using a 13-pound, 3-foot-7-inch rod to pack blasting powder into a rock when he triggered ...

Neuroscience created May 17, 2012 | popularity 5 / 5 (4) | comments 2 | with audio podcast

'Promiscuous parasites' hijack host immune cells

Toxoplasma gondii parasites can invade your bloodstream, break into your brain and prompt behavioral changes from recklessness to neuroticism. These highly contagious protozoa infect more than half the wo ...

Medical research created Sep 20, 2011 | popularity 5 / 5 (8) | comments 2 | with audio podcast

Study shows gene defect's role in autism-like behavior

Scientists affiliated with the UC Davis MIND Institute have discovered how a defective gene causes brain changes that lead to the atypical social behavior characteristic of autism. The research offers a potential target for ...

Autism spectrum disorders created Aug 10, 2012 | popularity 5 / 5 (4) | comments 3 | with audio podcast

When being scared twice is enough to remember

One of the brain's jobs is to help us figure out what's important enough to be remembered. Scientists at Yerkes National Primate Research Center, Emory University have achieved some insight into how fleeting experiences become ...

Neuroscience created Jun 12, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Research indicates certain probiotics may influence brain functioning

(Medical Xpress) -- It was just last year that a certain company selling a special probiotic enhanced yogurt was ordered by a U.S. court to stop suggesting in its advertisements that it's product had health ...

Neuroscience created Aug 30, 2011 | popularity 4.9 / 5 (16) | comments 3 | with audio podcast report