NMDA receptor

Glossary / Nootropics / NMDA receptor
NOOTROPICS · GLOSSARY ENTRY

NMDA receptor

A glutamate receptor central to learning and memory — modulated by certain dissociative drugs and indirectly by some nootropics.

Why it matters

The N-methyl-D-aspartate receptor is one of the principal glutamate receptors. It plays a critical role in long-term potentiation (the cellular basis of learning) and memory formation. Hyperactivity is associated with excitotoxicity; hypofunction is associated with cognitive impairment and psychiatric conditions.

In practice

Practical relevance for the nootropic consumer: substances that modulate NMDA (memantine, certain dissociatives) have complex effects. Some racetam pharmacology touches NMDA indirectly through AMPA modulation.

Common confusion

“NMDA agonists improve memory” is too simple — the receptor’s role is subtler and tighter optimal-range than that statement allows.

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    This glossary entry is editorial content reviewed against primary sources. It is not medical advice. See our Editorial Policy.

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