HIV & AIDS

Novel brain map tracks early brain atrophy from HIV infection

A new map of brain tissue in people with HIV shows atrophy in several areas including a primary neurocognitive control center where shrinkage and loss of function can be seen in scans before clinical symptoms appear.

Neuroscience

Where the brain turns quality and quantity into value

Researchers have pinpointed a part of the human brain responsible for "on-the-fly" decision-making. According to the findings published in JNeurosci, the anterior cingulate cortex integrates disparate information about the ...

Psychology & Psychiatry

Scientists uncover why you can't decide what to order for lunch

If you've ever found yourself staring at a lengthy restaurant menu and been completely unable to decide what to order for lunch, you have experienced what psychologists call choice overload. The brain, faced with an overwhelming ...

Psychology & Psychiatry

The warm glow of kindness is real, study confirms

Psychologists at the University of Sussex have confirmed that the warm glow of kindness is real, even when there's nothing in it for you. In their study, published in NeuroImage, they undertook a major analysis of existing ...

Neuroscience

How to trigger innate fear response?

When animals encounter danger, they usually respond to the situation in one of two ways—by freezing or fleeing. How do they make this quick decision in a life-or-death moment?

Psychology & Psychiatry

Perfectionism in young children may indicate OCD risk

Studying young children, researchers at Washington University School of Medicine in St. Louis found that kids who possess tendencies toward perfectionism and excessive self-control are twice as likely as other children to ...

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Anterior cingulate cortex

The Anterior cingulate cortex (ACC) is the frontal part of the cingulate cortex, that resembles a "collar" form around the corpus callosum, the fibrous bundle that relays neural signals between the right and left cerebral hemispheres of the brain.

It includes both the ventral and dorsal areas of the cingulate cortex, and appears to play a role in a wide variety of autonomic functions, such as regulating blood pressure and heart rate, as well as rational cognitive functions, such as reward anticipation, decision-making, empathy and emotion.

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