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PTSD

Featured Open Neuroscience Articles Psychology

·August 2, 2020·5 min read

Transcranial Stimulation to Prevent Fear Memories From Returning

Repetitive transcranial memory stimulation applied to the dorsolateral prefrontal cortex modifies the negative effects of fear memories. The findings could have implications for the treatment of PTSD.

Featured Neurology Open Neuroscience Articles

·July 28, 2020·6 min read

Further Evidence World Trade Center Responders Are at Risk for Dementia

First responders at the World Trade Center have reduced cortical gray matter thickness, which was consistent with neurodegenerative conditions and evidence their brain age is, on average, ten years older than those of similar ages in the general population.

Featured Psychology Visual Neuroscience

·July 17, 2020·3 min read

How Traumatic Experiences Can Leave Their Mark on a Person’s Eyes

Pupillary response in those with PTSD differs from people who have not experienced traumatic events. The pupils of those with PTSD failed to show sharp constriction caused by light changes, and more enlargement when exposed to emotional stimuli that other participants. Patients with PTSD not only showed an exaggerated response to threatening stimuli but also to stimuli that depicted positive images.

Featured Neuroscience Open Neuroscience Articles

·July 13, 2020·3 min read

Why Are Memories Attached to Emotions so Strong?

Hippocampal neurons that respond to fearful stimuli relay that information to the amygdala. These neurons synchronize when memories of the stimuli are later recalled. The synchrony is critical to establish fear memories and the greater the synchrony, the stronger the memory becomes.

This shows a scary shadow and an anxious man

Featured Neuroscience Open Neuroscience Articles Psychology

·July 9, 2020·6 min read

How Fear Transforms into Anxiety

In anxiety, neural activity becomes elevated across many specific brain regions, and normal coordination between the networks becomes decreased.

Featured Neuroscience Open Neuroscience Articles Psychology

·July 2, 2020·3 min read

Laughing Gas May Bring Relief to PTSD Sufferers

Nitrous oxide may provide temporary relief to veterans suffering from PTSD, a new study reports.

Featured Open Neuroscience Articles Psychology

·June 19, 2020·4 min read

COVID-19 may have consequences for mental health

96% of patients hospitalized for coronavirus infections report experiencing PTSD as a result of their illness. Researchers also found an increased risk of depression, anxiety, and other mental health disorders in those hospitalized for COVID-19.

Featured Neuroscience Psychology

·June 15, 2020·4 min read

Research delves into causes of nightmares that shadow female survivors of sexual trauma

Having difficulty getting to sleep, in addition to ruminating about trauma experiences and other negative events before sleep, boosts the odds of sexual trauma survivors experiencing post-trauma nightmares.

Featured Neuroscience Open Neuroscience Articles

·June 11, 2020·5 min read

High doses of ketamine can temporarily switch off the brain

Higher doses of ketamine administered to sheep completely reduced brain activity for a short period. Researchers report as the drug wore off and consciousness was regained, the animals' brain activity switched between high and low-frequency oscillations. The timing of the brain activity corresponds to the time human users report experiencing feelings that their brain 'disconnected' from their bodies after ketamine use.

Featured Neuroscience Open Neuroscience Articles Psychology

·June 9, 2020·3 min read

Cannabis temporarily relieves PTSD symptoms

Cannabis reduces the severity of symptoms by more than half in the short-term for people suffering from PTSD. Using cannabis reduces recurring thoughts of a traumatic event by 62%, flashbacks by 51%, irritability by 67%, and anxiety by 57% for those with PTSD. However, the reduction of symptoms is not permanent.