Neuroscience

How social isolation transforms the brain

Chronic social isolation has debilitating effects on mental health in mammals—for example, it is often associated with depression and post-traumatic stress disorder in humans. Now, a team of Caltech researchers has discovered ...

Neuroscience

Stress regulates self-harm in rats

A stress hormone modulates compulsive biting in a rat model of self-injurious behavior (SIB), according to new research published in JNeurosci. Manipulating the activity of the brain circuitry underlying SIB could create ...

Neuroscience

Brain activity linked to stress changes chemical codes

Five years ago, a team of University of California San Diego neurobiologists published surprising findings describing how rats' brain cells adopted new chemical codes when subjected to significant changes in natural light ...

Neuroscience

Negative fateful life events and the brains of middle-aged men

Conflict, a death in the family, financial hardship and serious medical crises are all associated with accelerated physical aging. In a new study, researchers at the University of California San Diego School of Medicine found ...

Alzheimer's disease & dementia

Six things you can do to reduce your risk of dementia

An ageing population is leading to a growing number of people living with dementia. Dementia is an umbrella term for a group of symptoms including memory impairment, confusion, and loss of ability to carry out everyday activities.

Psychology & Psychiatry

Gentle touch can decrease stress

Long lasting gentle touch decreases stress hormones and decelerate heart beat frequency. It also activates brain areas commonly linked to reward. These research results are presented in a new thesis from the University of ...

Neuroscience

Prenatal stress changes brain connectivity in-utero

Boston - The time babies spend in the womb is far from idle. The brain is changing more rapidly during this time than at any other time in development. It is an active time for the fetus to grow and explore, and of course ...

page 31 from 40