Narcissistic behavior thrives in environments where visibility matters more than contribution. If you’re constantly talking ...

Researchers discover that the phosphorylation of a newly identified protein kinase substrate downstream of the dopamine signaling pathway regulates the brain reward behavior. The nucleus accumbens, ...

A treat here and a treat there seems harmless enough. After all, what could go wrong with a little positive reinforcement for good behavior? As it turns out, quite a bit. The research on reward ...

People who are depressed very often show reduced interest in experiencing or obtaining pleasure, a symptom called anhedonia that research has traced to dysfunction in the brain’s reward system. In ...