A California doctor accused of granting Matthew Perry access to ketamine in the weeks before the actor’s overdose death has agreed to plead guilty.

A related compound, esketamine, has been approved in the European Union and the United States for the emergency treatment of treatment-resistant depression, administered as a nasal spray under strict ...

Memantine selectively improves neural decoding of attended illusory contours, revealing NMDA receptor-dependent enhancement of feedback processing in human visual perception.