Neuroscience

Medial prefrontal cortex linked to fear response

(Medical Xpress)—In a new paper published in the current issue of Neuron, Harvard Medical School researchers at McLean Hospital report that increased activity in the medial prefrontal cortex of the brain is linked to decreased ...

Psychology & Psychiatry

How video gaming can be beneficial for the brain

Video gaming causes increases in the brain regions responsible for spatial orientation, memory formation and strategic planning as well as fine motor skills. This has been shown in a new study conducted at the Max Planck ...

Psychology & Psychiatry

Study suggests possibility of selectively erasing unwanted memories

The human brain is exquisitely adept at linking seemingly random details into a cohesive memory that can trigger myriad associations—some good, some not so good. For recovering addicts and individuals suffering from post-traumatic ...

Medical research

Worms may shed light on human ability to handle chronic stress

New research at Rutgers University may help shed light on how and why nervous system changes occur and what causes some people to suffer from life-threatening anxiety disorders while others are better able to cope.

Neuroscience

Low doses of psychedelic drug erases conditioned fear in mice

(Medical Xpress)—Low doses of a psychedelic drug erased the conditioned fear response in mice, suggesting that the agent may be a treatment for post-traumatic stress disorder and related conditions, a new study by University ...

Psychology & Psychiatry

Drug prevents post-traumatic stress-like symptoms in mice

When injected into mice immediately following a traumatic event, a new drug prevents the animals from developing memory problems and increased anxiety that are indicative of post-traumatic stress disorder (PTSD).

Neuroscience

Fear factor: Study shows brain's response to scary stimuli

(Medical Xpress)—Driving through his hometown, a war veteran with post-traumatic stress disorder may see roadside debris and feel afraid, believing it to be a bomb. He's ignoring his safe, familiar surroundings and only ...

Neuroscience

Childhood trauma leaves mark on DNA of some victims

Abused children are at high risk of anxiety and mood disorders, as traumatic experience induces lasting changes to their gene regulation. Scientists from the Max Planck Institute of Psychiatry in Munich have now documented ...

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