People with obsessive compulsive disorder (OCD) have a compulsion to perform the same acts over and over. For example, someone with OCD might wash their hands hundreds of times.

Neuroscientists think that people with OCD have abnormalities in certain areas of their brains, and these abnormalities prevent them from completely feeling relief from [...]

Japanese scientists have used fMRI (functional magnetic resonance imaging) scans to predict  the content of hypnaogic hallucinations, dreamlike hallucinations that people sometimes have when they are falling asleep.  In a study published in Science, Yukiyasu Kamitani and his team at the ATR Computational Neuroscience Laboratories in Kyoto, Japan report that they were able to [...]