Cited by 15Memory and Neural MechanismsMemory Processes and InfluencesCognitive Functions and Memory

Dissociations in the effect of delay on object recognition: evidence for an associative model of recognition memory

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Tam, Shu K. E., Robinson, Jasper, Jennings, Dómhnall J., Bonardi, Charlotte·2014·Journal of Experimental Psychology Animal Learning and Cognition

Abstract

Rats were administered 3 versions of an object recognition task: In the spontaneous object recognition task (SOR) animals discriminated between a familiar object and a novel object; in the temporal order task they discriminated between 2 familiar objects, 1 of which had been presented more recently than the other; and, in the object-in-place task, they discriminated among 4 previously presented objects, 2 of which were presented in the same locations as in preexposure and 2 in different but familiar locations. In each task animals were tested at 2 delays (5 min and 2 hr) between the sample and test phases in the SOR and object-in-place task, and between the 2 sample phases in the temporal order task. Performance in the SOR was poorer with the longer delay, whereas in the temporal order task performance improved with delay. There was no effect of delay on object-in-place performance. In addition the performance of animals with neurotoxic lesions of the dorsal hippocampus was selectively impaired in the object-in-place task at the longer delay. These findings are interpreted within the framework of Wagner's (1981) model of memory.

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Authors
Tam, S. K. E., Robinson, J., Jennings, D. J., & Bonardi, C.
Affiliations
  • University of Newcastle Australia (AU)
  • University of Nottingham (GB)
Venue
Journal of Experimental Psychology Animal Learning and Cognition
Published
2014
Volume
40
Issue
1
Pages
106-115
ISSN
  • 2329-8456 (ISSN-L)
  • 2329-8464
OpenAlex
W2003273326
Cited by
15
References
50
Citations by year
2026: 1 · 2021: 1 · 2020: 3 · 2019: 1 · 2018: 1 · 2017: 2 · 2016: 2 · 2015: 1 · 2014: 3
FWCI
1.09
Type
journal article
Language
en
Open access
Licence
other-oa
Locations
  • Journal of Experimental Psychology Animal Learning and Cognition (publishedVersion)
  • PubMed (publishedVersion)
  • Repository@Nottingham (University of Nottingham) (submittedVersion, other-oa)
  • Nottingham ePrints (University of Nottingham) (submittedVersion, cc-by)
  • Repository@Nottingham (University of Nottingham) (submittedVersion, cc-by)
  • Newcastle University ePrints (Newcastle Univesity) (cc-by-nc)
Funders
Biotechnology and Biological Sciences Research Council (BB/F013191/1)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Functions and Memory
Keywords
object recognition memory, lagged effects, temporal order memory, hippocampal lesions, dorsal hippocampus, rats
MeSH terms
Animals, Association Learning, Exploratory Behavior, Hippocampus, Ibotenic Acid, Male, Neurotoxins, Pattern Recognition, Visual, Phospholipid Ethers, Space Perception, Time Factors, Maze Learning, Recognition, Psychology, Rats

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