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Post-traumatic stress disorder

Post-traumatic stress disorder (PTSD) is a term for certain psychological consequences of exposure to, or confrontation with, stressful experiences that the person experiences as highly traumatic.

Note: The above text is excerpted from the Wikipedia article "Post-traumatic stress disorder", which has been released under the GNU Free Documentation License.

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Complex Post-Traumatic Stress Disorder

July 1, 2022 — The World Health Organization (WHO) recently listed a new diagnosis for complex post-traumatic stress disorder (CPTSD). Experts have now summarized the symptoms of the long-awaited new diagnosis and ...

Brain Tissue Yields Clues to Causes of PTSD

Dec. 21, 2020 — A post-mortem analysis of brain tissue from people who had been diagnosed with post-traumatic stress disorder (PTSD) may help explain enduring mysteries about the disorder, such as why women are more ...

PTSD Link to Pandemic Fears

Jan. 22, 2021 — A new study of 1040 online participants from five western countries explores people's response to the stresses of the escalating pandemic, finding more than 13 percent of the sample had ...

Morning Blue Light Treatment Improves Sleep in Patients With PTSD

Nov. 1, 2022 — Researchers explore a noninvasive, drug-free treatment that offers hope for healing from the severe symptoms of post-traumatic stress ...

Firefighters With PTSD Likely to Have Relationship Problems

Apr. 4, 2022 — The stress firefighters face takes a toll. New research finds that those with Post Traumatic Stress Disorder are likely to have relationship problems due to an inability to regulate ...

Brain Circuitry for Both Positive and Negative 'Valence' Affected by Trauma

Oct. 26, 2021 — Research has revealed that the brain employs distinct circuitries that mediate positive, or rewarding, behaviors and negative, or aversive, ones. Post-traumatic stress disorder (PTSD) has long been ...

Survivors of Trauma Struggle to Move on from the Loss of Loved Ones

Aug. 16, 2021 — Among individuals who survive a trauma that resulted in the loss of a close friend or loved one, symptoms of post-traumatic stress disorder can predict complicated grief -- a sense of persistent ...

Altered Functional Brain Network Connectivity Associated With Symptoms of Post-Traumatic Stress in COVID-19 Survivors, Study Shows

Aug. 26, 2021 — COVID-19 survivors report significantly higher symptoms of post-traumatic stress, and these symptoms are associated with changes to the brain's connectivity, according to a new ...

Dogs Can Smell When We're Stressed, Study Suggests

Sep. 29, 2022 — 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 ...

Genetic Analysis of Symptoms Yields New Insights Into PTSD

Jan. 28, 2021 — A new study uncovers intriguing genetic similarities between PTSD and other mental health disorders such as anxiety, bipolar disorder, and schizophrenia. The findings also suggest that existing drugs ...

Mind & Brain News

November 28, 2023

'Woman the Hunter': Studies Aim to Correct History

Nov. 20, 2023 — New research combined both physiological and archaeological evidence to argue that not only did prehistoric women engage in the practice of hunting, but their female anatomy and biology would have made them intrinsically better suited for ...

US Men Die 6 Years Before Women, as Life Expectancy Gap Widens

Nov. 14, 2023 — We've known for more than a century that women outlive men. But new research shows that, at least in the United States, the gap has been widening for more than a ...

AI Faces Look More Real Than Actual Human Face

Nov. 13, 2023 — White faces generated by artificial intelligence (AI) now appear more real than human faces, according to new research. In the study, more people thought AI-generated white faces were human than the faces of real people. The same wasn't true for ...

Brain Implant May Enable Communication from Thoughts Alone

Nov. 6, 2023 — A speech prosthetic developed by a collaborative team of neuroscientists, neurosurgeons and engineers can translate a person's brain signals into what they're trying to say. The new technology might one day help people unable to talk due to ...

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Neurodegeneration in Myelin Disease: No Myelin Is Better Than Bad Myelin

Nov. 28, 2023 — Efficient removal of abnormal myelin allows survival of nerve fibers targeted by adaptive immune cells, according to a novel ...

Understanding Subjective Beliefs Could Be Vital to Tailoring More Effective Treatments for Depression and ADHD

Nov. 28, 2023 — Taking into account whether people believe they are receiving a real treatment or a fake one (placebo) could provide better insights that could help ...

Repairing Nerve Cells After Injury and in Chronic Disease

Nov. 28, 2023 — Researchers discovered a mechanism for repairing damaged nerves during peripheral neuropathy in mice, wherein the protein Mitf orchestrates nerve repair after both trauma-induced and chronic nerve ...

How to Stay on Task

Nov. 28, 2023 — Our ability to pay attention to tasks—a key component of our everyday lives—is heavily influenced by factors like motivation, arousal and alertness. Maintaining focus can be especially ...

What If Alexa or Siri Sounded More Like You? Study Says You'll Like It Better

Nov. 28, 2023 — One voice does not fit all when it comes to virtual assistants like Siri and Alexa, according to researchers who examined how customization and ...

Kids Who Feel Their Parents Are Less Reliable Take Fewer Risks Vital to Learning and Growth

Nov. 27, 2023 — The researchers studied decisions that more than 150 children ages 10 to 13 made while playing games that offered opportunities to risk a little and ...

Discrimination During Pregnancy Can Affect Infant's Brain Circuitry

Nov. 27, 2023 — Experiences of discrimination and acculturation are known to have a detrimental effect on a person's health. For pregnant women, these painful experiences can also affect the brain circuitry of their ...

Defending Your Voice Against Deepfakes

Nov. 27, 2023 — Computer scientists have developed AntiFake, a tool to protect voice recordings from unauthorized speech ...

Researchers Find Neurons Work as a Team to Process Social Interactions

Nov. 27, 2023 — Researchers have discovered that a part of the brain associated with working memory and multisensory integration may also play an important role in how the brain processes social cues. Previous ...

Immersive Engagement in Mixed Reality Can Be Measured With Reaction Time

Nov. 27, 2023 — In the real world/digital world cross-over of mixed reality, a user's immersive engagement with the program is called presence. Now, researchers have identified reaction time as a potential presence ...