Administration of glutamate following a reminder induces transient memory loss in day-old chicks

Mathew J Summers; S F Crowe; K T Ng

doi:10.1016/0926-6410(95)00012-7

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Administration of glutamate following a reminder induces transient memory loss in day-old chicks

Journal article

Peer reviewed

Administration of glutamate following a reminder induces transient memory loss in day-old chicks

Mathew J Summers, S F Crowe and K T Ng

Cognitive Brain Research, Vol.3(1), pp.1-8

1995

DOI: https://doi.org/10.1016/0926-6410(95)00012-7

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Abstract

Neurosciences

Cognitive Sciences

monosodium glutamate

memory

retrieval

consolidation

reminder

chick

Monosodium glutamate (4.0 mM) administered immediately after a visual reminder presented to day-old chickens between 7.5 min and 24 h following a single trial passive avoidance learning task produced transient losses of memory on retention test, an effect not observed in the absence of a reminder or when the reminder was given 48 h post-learning. The duration of the transient deficit decreased with increasing interval between the training and the reminder trial. The time of onset of memory loss after the reminder trial appeared to increase with increasing interval between the training and the reminder trials. The results suggest that, for a period of at least up to 24 h after passive avoidance training, retrieval of memory may lead to processes which are sensitive to inhibition by glutamate, with the duration of sensitivity post-retrieval decreasing as the period of memory consolidation increases. The results extend previously reported findings with rodents and suggest the possibility that consolidation of a stable memorial representation of a learning experience may take place over several days and may entail the concurrent laying down of a stable retrieval mechanism.

Details

Title: Administration of glutamate following a reminder induces transient memory loss in day-old chicks
Authors: Mathew J Summers (Author) - La Trobe University
S F Crowe (Author) - La Trobe University
K T Ng (Author) - La Trobe University
Publication details: Cognitive Brain Research, Vol.3(1), pp.1-8
Publisher: Elsevier BV
Date published: 1995
DOI: 10.1016/0926-6410(95)00012-7
ISSN: 0926-6410
Organisation Unit: School of Health; School of Social Sciences - Legacy; University of the Sunshine Coast, Queensland; School of Health - Psychology; School of Health and Behavioural Sciences - Legacy
Language: English
Record Identifier: 99450604102621
Output Type: Journal article

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