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post traumatic stress disorder

·October 11, 2019·5 min read

Rare sleep disorder common among veterans with PTSD

21% of veterans who experience PTSD or traumatic brain injury suffer from a rare sleep condition that affects less than 1% of the general population. The condition, REM sleep behavior disorder (RBD), is characterized by an impairment of sleep-related muscle paralysis, causing people to act out dreams during REM sleep. The uncontrolled actions often cause harm to the sufferer of their partners.

The image shows the brain structures associated with fear and stress in PTSD.

Featured Psychology

·June 28, 2013·3 min read

Pre-existing Symptoms of Insomnia Linked to the Development of PTSD and Other Mental Disorders, Following Military Deployment

A new study shows members of the military who have trouble sleeping prior to deployment are at greater risk of developing PTSD when they return home.

Featured Neuroscience

·June 22, 2017·6 min read

Select Memories Can Be Erased, Leaving Others Intact

Researchers report memories that trigger PTSD and anxiety can be erased without affecting other memories.

The image shows comparative brain scans of veterans with mild TBI and those without TBI.

Featured Neurology

·February 7, 2013·3 min read

Veterans with Mild Traumatic Brain Injury have White Matter Abnormalities

A new study found soldiers returning from Iraq and Afghanistan with mild TBI have measurable abnormalities in white matter when compared to returning veterans who have not experienced TBI. These abnormalities appear to be related to the severity of the injury and are related to cognitive deficits.

This brain image is made up of words associated with PTSD

Featured Neuroscience Psychology

·April 3, 2019·8 min read

Biology may make certain PTSD patients unresponsive to behavioral therapy

A neuroimaging and behavioral signature associated with connectivity in the ventral attention network has been identified in a subgroup of PTSD patients who fail to respond to treatment.

Featured Genetics Neuroscience Psychology

·June 19, 2019·4 min read

Overcoming PTSD: Study reveals memory disruption drug target

Levels of a key molecule are elevated in the amygdala of both humans and mouse models of PTSD. The microRNA, mir-135b-5p, may be a novel biomarker for treating the disorder.

Featured Psychology

·August 16, 2011·1 min read

Reduced Recognition of Fear and Sadness in Post-Traumatic Stress Disorder

PTSD impairs ability to recognize emotions from facial expressions. Facial expressions convey strong cues for someone’s emotional state and the...

Featured Open Neuroscience Articles Psychology

·October 15, 2013·5 min read

New Role for ‘Hunger Hormone’: Study Finds Ghrelin Primes the Brain for PTSD

The "hunger hormone" ghrelin, when released during chronic stress, makes the brain more vulnerable to traumatic events. Researchers suggest this could predispose people to PTSD.

Featured Psychology

·August 15, 2013·2 min read

Worms May Shed Light on Human Ability to Handle Chronic Stress

New research into the brain cells of roundworms may help scientists better understand how some humans are better able to cope with stress.

The image shows a slice of the central amygdala.

Featured Psychology

·June 30, 2014·3 min read

Potential Drug Target for PTSD Prevention

Researchers identify a drug which appears to make memories of fearsome events less durable in mice.

Featured Neurology Psychology

·October 25, 2017·5 min read

Gut Bacteria May Predict PTSD Risk

People with PTSD had lower levels of three different gut bacteria than individuals who experienced trauma but didn't develop the disorder, a new study reports.

$a brain$

Featured Neuroscience Open Neuroscience Articles

·September 27, 2018·6 min read

Researchers Uncover the Mathematics of Brain Waves

Researchers have developed a new mathematical model, which incorporates EEG data and evolutionary game theory, that bridges the gap between waves and random fluctuations in the brain.