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Conditioning with spatio-temporal patterns: Constraining the contribution of the hippocampus to configural learning

Dumigan, Natasha M., Lin, Tzu-Ching, Good, Mark A. ORCID: https://orcid.org/0000-0002-1824-1203 and Honey, Robert C. ORCID: https://orcid.org/0000-0001-6870-1880 2017. Conditioning with spatio-temporal patterns: Constraining the contribution of the hippocampus to configural learning. Neurobiology of Learning and Memory 142 (B) , pp. 244-251. 10.1016/j.nlm.2017.05.004

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Abstract

The conditions under which the hippocampus contributes to learning about spatio-temporal configural patterns are not fully established. The aim of Experiments 1–4 was to investigate the impact of hippocampal lesions on learning about where or when a reinforcer would be delivered. In each experiment, the rats received exposure to an identical set of patterns (i.e., spotted + morning, checked + morning, spotted + afternoon and checked + afternoon); and the contexts (Experiment 1), times of day (Experiment 2), or their configuration (Experiments 3 and 4) signalled whether or not a reinforcer would be delivered. The fact that hippocampal damage did not disrupt the formation of simple or configural associations involving spatio-temporal patterns is surprising, and suggests that the contribution of the hippocampus is restricted to mediated learning (or updating) involving spatio-temporal configurations.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Uncontrolled Keywords: Rat, Limbic system, Context, Time
Publisher: Elsevier
ISSN: 1074-7427
Date of First Compliant Deposit: 9 May 2017
Date of Acceptance: 6 May 2017
Last Modified: 07 Nov 2023 06:06
URI: https://orca.cardiff.ac.uk/id/eprint/100445

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