Neuroscience

Seeing depression in the pupil

When people win or lose something, their pupils dilate slightly. Researchers have found that this dilation is less pronounced in acutely depressed patients than in healthy people. The more severely ill the patients were, ...

Psychology & Psychiatry

Nucleus accumbens recruited by cocaine, sugar are different

Nucleus accumbens in the brain play a central role in the risk-reward circuit. Their operation is based chiefly on three essential neurotransmitters: dopamine, which promotes desire; serotonin, whose effects include satiety ...

Medical research

Reward and punishment take similar paths in the mouse brain

Cold Spring Harbor Laboratory (CSHL) scientists have discovered neurons in the mouse brain that help an animal learn to avoid negative experiences. The cells reside in a part of the brain involved in regulating the motivations ...

Medical economics

Health care pros will accept money to violate privacy law

The next crop of health care professionals has a price when it comes to illegally releasing confidential medical information, according to researchers at Florida Atlantic University, Baylor University and the State University ...

page 1 from 22