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

Dumigan, Natasha, Lin, Tzu-Ching, Good, Mark and Honey, Robert 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
Last Modified: 11 Oct 2017 04:00
URI: http://orca.cf.ac.uk/id/eprint/100445

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