The NMDA Agonist D-Cycloserine Facilitates Fear Memory Consolidation in Humans

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The NMDA Agonist D-Cycloserine Facilitates Fear Memory Consolidation in Humans

Animal research suggests that the consolidation of fear and extinction memories depends on N-methyl D-aspartate (NMDA)-type glutamate receptors. Using a fear conditioning and extinction paradigm in healthy normal volunteers, we show that postlearning administration of the NMDA partial agonist D-cycloserine (DCS) facilitates fear memory consolidation, evidenced behaviorally by enhanced skin cond...

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D-Cycloserine enhances memory consolidation of hippocampus-dependent latent extinction.

Adult male Long-Evans rats were trained to run in a straight-alley maze for food reward and subsequently received hippocampus-dependent latent extinction training. Immediately following latent extinction, rats received peripheral injections of the NMDA receptor partial agonist D-cycloserine (DCS, 15 mg/kg), or saline. Twenty-four hours later, rats received four extinction "probe" trials. Relati...

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ژورنال

عنوان ژورنال: Cerebral Cortex

سال: 2008

ISSN: 1460-2199,1047-3211

DOI: 10.1093/cercor/bhn076