Cited by 35Neuroscience and Neuropharmacology ResearchNeurotransmitter Receptor Influence on BehaviorMemory and Neural Mechanisms

The effects of NMDA receptor blockade on the acquisition of a conditioned emotional response

Hoehn-Saric, Rudolf, McLeod, Daniel R., Glowa, John R.·1991·Biological Psychiatry

Abstract

Excitatory amino acids, acting at the N-methyl-d-aspartate (NMDA) receptor, have been postulated to play an important role in the acquisition of behavior (learning). Previous studies have shown that some forms of response acquisition can be impaired by drugs that block the NMDA receptor. To determine whether excitatory amino acid blockade could also affect the ability to acquire an emotional response, the effects of the noncompetitive NMDA receptor antagonist MK-801 were studied on the development of response suppression under a conditioned emotional response (CER) procedure in the rat. The CER procedure progressively suppressed responding when saline was given prior to the eight daily sessions over which animals were initially exposed. Daily treatment with MK-801 blocked the development of response suppression. Thus, these data are consistent with the notion that excitatory amino acid blockade prevents or diminishes the development of a learned emotional response. This suggests a potential role for this receptor in the development of anxiety-related disorders in humans.

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Crossref · 10.1016/0006-3223(91)90171-h

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  • Glutamate is important for emotional behavior acquisition, and NMDA receptors mediate long-term potentiation underlying learning and memory, processes impaired in autism.

    “Glutamate is important in the acquisition of emotional behavior [149] and N-methyl-aspartic acid (NMDA)-glutamate receptors are responsible for long term potentiation [150], underlying learning and memory; two processes impaired in subjects with autism.”

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Authors
Hoehn-Saric, R., McLeod, D. R., & Glowa, J. R.
Affiliations
  • Johns Hopkins University (US)
  • National Institute of Mental Health (US)
Corresponding author
Glowa, John R.
Venue
Biological Psychiatry
Publisher
Elsevier BV
Published
1991-07
Volume
30
Issue
2
Pages
170-176
ISSN
0006-3223 (ISSN-L)
OpenAlex
W1995739615
Cited by
35
References
34
Citations by year
2025: 1 · 2018: 1 · 2017: 1 · 2016: 2 · 2015: 1 · 2013: 1 · 2012: 2
FWCI
0.65
Type
journal article
Language
en
Open access
closed
Locations
  • Biological Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
NMDA receptor, MK-801, excitatory amino acids, conditioned emotional response, response suppression, learning, anxiety, noncompetitive antagonists, emotional conditioning
MeSH terms
Animals, Arousal, Association Learning, Brain, Conditioning, Classical, Fear, Male, Rats, Inbred Strains, Mental Recall, Synapses, Receptors, N-Methyl-D-Aspartate, Dizocilpine Maleate, Rats

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