Sleep-wake rhythms in normal adults usually have a periodicity of 24 hours, while 48-hour sleep-wake cycles have been ...

Could the mania and depression seen in people with bipolar disorders stem from dysfunction of mitochondria deep in the brain? Animal studies are providing interesting clues. People with bipolar ...

Sleep-wake rhythms in normal adults usually have ... rhythms similar to mood swings in bipolar disorder. When dopamine-producing neurons in the brain's reward center were disrupted, the behavioral ...