Glutamate receptor function in learning and memory

Research output: Contribution to journalArticle

636 Citations (Scopus)

Abstract

The contribution of glutamate to synaptic transmission, plasticity and development is well established; current evidence is based on diverse approaches to decipher function and malfunction of this principal transmitter. With respect to learning and memory, we are now able to identify more specifically the role played by the three main glutamate receptor classes in learning and memory: centre stage is clearly the NMDA receptor, with overwhelming evidence proving its involvement in the actual learning process (encoding), throughout the animal kingdom. This is discussed with respect to many different types of learning. Evidence for the contribution of the AMPA receptors (AMPARs) is less clear-cut due to the general problem of specificity: block of AMPARs will shutdown neuronal communication, and this will affect various components essential for learning. Therefore, the role of AMPARs cannot be established in isolation. Problems of interpretation are outlined and a specific involvement of AMPARs in the regulation of neuronal excitation related to learning is proposed. Metabotropic glutamate receptors (mGluRs) may contribute very little to the actual acquisition of new information. However, memory formation appears to require mGluRs, through the modulation of consolidation and/or recall. Overall, mGluR functions seem variable and dependent on brain structure and learning task. (C) 2002 Elsevier Science B.V. All rights reserved.

Original languageEnglish
Pages (from-to)1-47
Number of pages46
JournalBehavioural Brain Research
Volume140
Issue number1-2
DOIs
Publication statusPublished - Mar 2003

Keywords

  • learning
  • memory
  • acquisition
  • consolidation
  • NMDA
  • AMPA
  • mGluRs
  • METHYL-D-ASPARTATE
  • LONG-TERM POTENTIATION
  • MORRIS WATER MAZE
  • RADIAL-ARM MAZE
  • NONCOMPETITIVE NMDA ANTAGONIST
  • ONE-TRIAL AVOIDANCE
  • SPATIAL WORKING-MEMORY
  • FREELY MOVING RATS
  • CONDITIONED TASTE-AVERSION
  • CHICKS GALLUS-DOMESTICUS

Cite this

Glutamate receptor function in learning and memory. / Riedel, Gernot; Platt, Bettina; Micheau, J.

In: Behavioural Brain Research, Vol. 140, No. 1-2, 03.2003, p. 1-47.

Research output: Contribution to journalArticle

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