Psychology & Psychiatry

Acute stress leads to dynamic changes in the brain

Did math problems make you stressed at school? That's what happened to participants in a study of the brain's reaction to stress. For the first time, researchers looked at the entire duration of such a situation. They found ...

Medical research

Morphine and cocaine affect reward sensation differently

(Medical Xpress)—A new study by scientists in the US has found that the opiate morphine and the stimulant cocaine act on the reward centers in the brain in different ways, contradicting previous theories that these types ...

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