The changing definitions of bipolar spectrum disorders and what remains solid.

Can you see the difference? Psychological “change blindness” demonstrated in an experiment.

A genetic scientist learns his twin brother is ill from alcoholism and travels through the Canadian Rockies to visit him in hospital, along the way explaining epigenetics to the camera operator and comparing it to the scenery. Awesome short documentary.

A neuroimaging study in twins found more similarities in brain activity compared to a control group.

MS and cognitive issues: assessing and treating with neuropsychology.

Roles of empathy in human civilization.

Robert Stickgold, sleep expert, on the role of sleep in memory consolidation and learning.