Neuroscience

Afternoon slump in reward response

Activation of a reward-processing brain region peaks in the morning and evening and dips at 2 p.m., finds a study of healthy young men published in The Journal of Neuroscience. This finding may parallel the drop in alertness ...

Psychology & Psychiatry

Fear, safety and the role of sleep in human PTSD

The effectiveness of post-traumatic stress disorder (PTSD) treatment may hinge significantly upon sleep quality, report researchers at the University of California, San Diego School of Medicine and Veterans Affairs San Diego ...

Neuroscience

Could poor sleep contribute to symptoms of schizophrenia?

Neuroscientists studying the link between poor sleep and schizophrenia have found that irregular sleep patterns and desynchronised brain activity during sleep could trigger some of the disease's symptoms. The findings, published ...

Genetics

Fruit flies with Restless Legs Syndrome point to a genetic cause

When flies are made to lose a gene with links to Restless Legs Syndrome (RLS), they suffer the same sleep disturbances and restlessness that human patients do. The findings reported online on May 31 in Current Biology strongly ...

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