Post Traumatic Stress Disorder News and Research

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Neuropeptides Revealed as Key Messengers in Fear Response

Researchers at Salk developed techniques to examine neuropeptides, which are messenger proteins in the brain that regulate the fear response in mice.

23 Jul 2024

Neuroscientists Discover Brain Mechanisms Behind Escape Behavior

Neuroscientists have discovered how the brain bidirectionally controls sensitivity to threats to initiate and complete escape behavior in mice.

27 Jun 2024

Scientists Identify Mechanism Behind Post-Traumatic Fear Responses

Neurobiologists have discovered how stress causes the brain to become fearful in situations like Post-Traumatic Stress Disorder (PTSD) and how to stop it.

15 Mar 2024

A New Tool for Monitoring Neuronal Inhibition

By tracking when distinct subsets of brain cells activate, researchers have understood the complex activity patterns found in both human and animal brains for many years. Knowing how long those neurons stay active and when they turn off again is crucial to understanding the brain and its associated disorders.

24 Jan 2024

Protein Discovery Could Lead to Better Treatment for Females with PTSD

From humans to plants to single-cell organisms, there's a protein that rules them all.

22 May 2023

Study reveals the cellular composition and circuit organization of the locus coeruleus

A small nucleus in the brainstem called locus coeruleus (literally the "blue spot,") is the primary source of a major neuromodulator, norepinephrine (NE), an important mediator of the 'fight or flight' response in animals. However, very little is known about the local connections of this small albeit critically important group of neurons.

16 Mar 2023

Psychological trauma related to HIV could make it difficult to end the AIDS epidemic

Failing to address the psychological trauma experienced by many older people living with HIV/AIDS will make it difficult, if not impossible, to end the epidemic, according to a Rutgers study.

8 Feb 2023

Dogs can discriminate between baseline and stress odors

The physiological processes associated with an acute psychological stress response produce changes in human breath and sweat that dogs can detect with an accuracy of 93.75%, according to a new study published this week in the open-access journal PLOS ONE by Clara Wilson of Queen's University Belfast, UK, and colleagues.

29 Sep 2022

Study uncovers a protein that indicates whether emotional memories can be changed

Researchers have discovered that a particular protein can be used as a brain marker to indicate whether emotional memories can be changed or forgotten.

5 Oct 2021

Genetically encoded sensor helps detect hallucinogenic substances

Researchers at the University of California, Davis, have created a genetically encoded sensor for detecting hallucinogenic substances.

From The University of California, Davis 29 Apr 2021

Scientists identify specific genes associated with post-traumatic stress disorder

A research team has found 18 specific, fixed positions on chromosomes (called loci) that seem to be linked to post-traumatic stress disorder (PTSD).

29 Jan 2021

Climate change-driven wildfires cause devastating health impacts

Immediate actions are needed to limit the greenhouse gas emissions that are driving climate change that helps fuel wildfires, a Monash University study says.

14 Oct 2020

Study uncovers two brain phenomena that may explain ketamine's side-effects

Researchers have identified two brain phenomena that may explain some of the side-effects of ketamine. Their measurements of the brain waves of sheep sedated by the drug may explain the out-of-body experience and state of complete oblivion it can cause.

12 Jun 2020