Cited by 3,640Neuroscience and Neuropharmacology ResearchMemory and Neural MechanismsNeurotransmitter Receptor Influence on Behavior

The DOI matches its Crossref record; 19 of the 20 references it cites were found in a registry or an index, and 1 are not checked yet.

Selective impairment of learning and blockade of long-term potentiation by an N-methyl-D-aspartate receptor antagonist, AP5

Morris, R. G. M., Anderson, E., Lynch, G. S., Baudry, M.·1986·Nature

Abstract

Recent work has shown that the hippocampus contains a class of receptors for the excitatory amino acid glutamate that are activated by N-methyl-D-aspartate (NMDA) and that exhibit a peculiar dependency on membrane voltage in becoming active only on depolarization. Blockade of these sites with the drug aminophosphonovaleric acid (AP5) does not detectably affect synaptic transmission in the hippocampus, but prevents the induction of hippocampal long-term potentiation (LTP) following brief high-frequency stimulation. We now report that chronic intraventricular infusion of D,L-AP5 causes a selective impairment of place learning, which is highly sensitive to hippocampal damage, without affecting visual discrimination learning, which is not. The L-isomer of AP5 did not produce behavioural effects. AP5 treatment also suppressed LTP in vivo. These results suggest that NMDA receptors are involved in spatial learning, and add support to the hypothesis that LTP is involved in some, but not all, forms of learning.

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Crossref · 10.1038/319774a0

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Research works printed but not linked: 3

  1. Kolb, B., Pittman, K. & Sutherland, R. J. Behav. Brain Res. (in the press).
  2. Kolb, B., Sutherland, R. J. & Whishaw, I. Q. Behav. Neurosci. 97, 13–27 (1983). · DOI
  3. Hagan, J. J., Tweedie, F. M. & Morris, R. G. M. Behav. Neurosci. (in the press).

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Metadata

Authors
Morris, R. G. M., Anderson, E., Lynch, G. S., & Baudry, M.
Affiliations
  • University of St Andrews (GB)
  • University of California, Irvine (US)
Venue
Nature
Published
1986-02
Volume
319
Issue
6056
Pages
774-776
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2025801062
Cited by
3,640
References
19
Citations by year
2026: 25 · 2025: 30 · 2024: 44 · 2023: 31 · 2022: 42 · 2021: 63 · 2020: 52 · 2019: 65 · 2018: 83 · 2017: 85 · 2016: 82 · 2015: 89 · 2014: 103 · 2013: 98 · 2012: 101
FWCI
31.77
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
NMDA receptor, AP5, long-term potentiation, hippocampus, place learning, spatial learning, visual discrimination learning, glutamate receptors, intraventricular infusion, synaptic plasticity
MeSH terms
Animals, Electric Stimulation, Hippocampus, Isomerism, Learning, Valine, Visual Perception, 2-Amino-5-phosphonovalerate, Receptors, N-Methyl-D-Aspartate, Receptors, Neurotransmitter, Rats

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