NMDA antagonist

NMDA antagonist

Neurology Any of a number of agents that protect against brain damage in neurologic disorders–eg, stroke; PCP–phencyclidine and ketamine are effective, but have psychotomimetic effects or damage neurons in the cerebral cortex; diazepam and barbiturates act at the GABA receptor channel complex, and may prevent the unwanted side effects of NMDA antagonists