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

Neurobiology of Learning and Memory
Natasha M DumiganR C Honey

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.

References

May 18, 2016·The Quarterly Journal of Experimental Psychology : QJEP·Tzu-Ching E LinR C Honey

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Citations

Jan 5, 2021·Frontiers in Behavioral Neuroscience·Alexis Buatois, Robert Gerlai

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