Psychology & Psychiatry

Effects of stress on adolescent brain's 'triple network'

Stress and trauma during adolescence can lead to long-term health consequences such as psychiatric disorders, which may arise from neurodevelopmental effects on brain circuitry. A new study in Biological Psychiatry: Cognitive ...

Alzheimer's disease & dementia

Cross-racial study of 1.87m vets shows wide disparities in dementia

In what is believed to be the largest study to date on race and dementia, researchers from UCSF and the San Francisco Veterans Affairs Health Care System tracked health and demographic data from close to two million veterans. ...

Medical research

Unlocking the molecular mechanism of PTSD treatment

Post-traumatic stress disorder (PTSD) is a difficult-to-cure mental health condition that is caused by experiencing a traumatizing event, such as interpersonal violence or disaster. While sufferers of PTSD have existed across ...

Neuroscience

Poverty, crime linked to differences in newborns' brains

Poverty and crime can have devastating effects on a child's health. But a new study from researchers at Washington University School of Medicine in St. Louis suggests that some environmental factors influence the structure ...

Neuroscience

Stress hormone reduces altruistic behavior in empathetic people

The stress hormone cortisol reduces altruistic behavior and alters activity in brain regions linked to social decision making—but only in people who are better at imagining others' mental states, according to new research ...

Psychology & Psychiatry

'Switching off' specific brain cells protects against stress

It is well known that long-term exposure to stress can lead to serious psychiatric problems. However, the precise mechanisms underpinning the stress response have remained elusive. Recent advances in microscopic imaging by ...

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