A review of a limited number of cases of unresponsive patients with severe traumatic brain injuries raised questions about a custom of making a decision within 72 hours.

© Shannon Stapleton/Reuters

In a new study, researchers found universal features of songs across many cultures, suggesting that music evolved in our distant ancestors.

The psychologist studies how to recognize emotions and cope with them. She learned the hard way.

© Jillian Freyer for The New York Times

People with two copies of the gene variant APOE4 are almost certain to get Alzheimer’s, say researchers, who proposed a framework under which such patients could be diagnosed years before symptoms.

© Vsevolod Zviryk/Science Source

In a first, a Colorado law extends privacy rights to the neural data increasingly coveted by technology companies.

© Winni Wintermeyer for The New York Times

In a first, a Colorado law extends privacy rights to the neural data increasingly coveted by technology companies.

© Winni Wintermeyer for The New York Times