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New research illustrates how fear arises in the brain

New research illustrates how fear arises in the brain

An estimated 8% of Americans will suffer from post traumatic stress disorder (PTSD) at some point during their lifetime. Brought on by an overwhelming or stressful event or events, PTSD is the result of altered chemistry and physiology of the brain. [More]
Brain imaging could assist bipolar depression diagnosis

Brain imaging could assist bipolar depression diagnosis

Researchers have identified structural brain differences that could help to distinguish patients with unipolar and bipolar depression. [More]
Scientists solve mystery of why specific signaling pathway can be linked with alcohol dependence

Scientists solve mystery of why specific signaling pathway can be linked with alcohol dependence

Scientists at The Scripps Research Institute (TSRI) have solved the mystery of why a specific signaling pathway can be associated with alcohol dependence. [More]
Scientists alter emotional associations of specific memories

Scientists alter emotional associations of specific memories

By manipulating neural circuits in the brain of mice, scientists have altered the emotional associations of specific memories. [More]
Amygdala stimulates stress responses in adults, say researchers

Amygdala stimulates stress responses in adults, say researchers

In contrast to evidence that the amygdala stimulates stress responses in adults, researchers at Yerkes National Primate Research Center, Emory University have found that the amygdala has an inhibitory effect on stress hormones during the early development of nonhuman primates. [More]
Findings may help identify teens who are at risk for dangerous behaviors in the future

Findings may help identify teens who are at risk for dangerous behaviors in the future

According to the CDC, unintentional injuries are the leading cause of death for adolescents. Compared to the two leading causes of death for all Americans, heart disease and cancer, a pattern of questionable decision-making in dire situations comes to light in teen mortality. [More]
Even with no explicit memory of childhood trauma, PTSD can develop in adulthood

Even with no explicit memory of childhood trauma, PTSD can develop in adulthood

There are many forms of memory and only some of these may be critical for the development of posttraumatic stress disorder (PTSD), reports a new study by researchers at the University at Albany and the University of California Los Angeles. [More]
Study: Effects of testosterone on brain's response to threat cues in healthy men

Study: Effects of testosterone on brain's response to threat cues in healthy men

A new study in Biological Psychiatry reports on a neural circuit for male aggression. Testosterone, a steroid hormone, is well known to contribute to aggressive behavior in males, but the neural circuits through which testosterone exerts these effects have not been clear. [More]
Molecule Notch involved in fear memory formation

Molecule Notch involved in fear memory formation

Nature is thrifty. The same signals that embryonic cells use to decide whether to become nerves, skin or bone come into play again when adult animals are learning whether to become afraid. [More]
Subtle changes in gene can predict how brain reacts to stress

Subtle changes in gene can predict how brain reacts to stress

Scientists studying depression in teens have discovered that subtle changes in a gene can predict how the brain reacts to stress, which can cause such health issues as depression, post-traumatic stress disorder and obesity. [More]
Epigenetic control of serotonin transporter predicts human brain function

Epigenetic control of serotonin transporter predicts human brain function

The tiny addition of a chemical mark atop a gene that is well known for its involvement in clinical depression and posttraumatic stress disorder can affect the way a person's brain responds to threats, according to a new study by Duke University researchers. [More]
Researchers find differences in brain wiring between children with SPD and those with autism

Researchers find differences in brain wiring between children with SPD and those with autism

Researchers at UC San Francisco have found that children with sensory processing disorders have decreased structural brain connections in specific sensory regions different than those in autism, further establishing SPD as a clinically important neurodevelopmental disorder. [More]
New electrical pattern in brains predicts how well individual animals fare in stressful situations

New electrical pattern in brains predicts how well individual animals fare in stressful situations

Some people can handle stressful situations better than others, and it's not all in their genes: Even identical twins show differences in how they respond. [More]
Drug paraphernalia triggers reward areas of brain differently in marijuana users

Drug paraphernalia triggers reward areas of brain differently in marijuana users

New research from The University of Texas at Dallas demonstrates that drug paraphernalia triggers the reward areas of the brain differently in dependent and non-dependent marijuana users. [More]
Research finding may accelerate development of treatments for PTSD

Research finding may accelerate development of treatments for PTSD

Scientists at Yerkes National Primate Research Center, Emory University have identified a drug that appears to make memories of fearsome events less durable in mice. [More]
Early life stress can have lasting negative impacts on the brain

Early life stress can have lasting negative impacts on the brain

For children, stress can go a long way. A little bit provides a platform for learning, adapting and coping. But a lot of it - chronic, toxic stress like poverty, neglect and physical abuse - can have lasting negative impacts. [More]
Tinnitus patients process emotions differently in brain from those with normal hearing

Tinnitus patients process emotions differently in brain from those with normal hearing

Patients with persistent ringing in the ears - a condition known as tinnitus - process emotions differently in the brain from those with normal hearing, researchers report in the journal Brain Research. [More]
Brain activation differences hint at developing course of bipolar disorder

Brain activation differences hint at developing course of bipolar disorder

Results of an activation likelihood estimation meta-analysis highlight the differences and similarities in brain activation between youths and adults with bipolar disorder. [More]
Children may benefit from targeted treatments specific to pediatric brain activity

Children may benefit from targeted treatments specific to pediatric brain activity

A new study from Bradley Hospital has found that bipolar children have greater activation in the right amygdala - a brain region very important for emotional reaction - than bipolar adults when viewing emotional faces. [More]
Study analyses link between childhood maltreatment and volume of cerebral grey matter

Study analyses link between childhood maltreatment and volume of cerebral grey matter

An international study has analysed the association between childhood maltreatment and the volume of cerebral grey matter, responsible for processing information. [More]