Dissociating the role of the parietal cortex and dorsal hippocampus for spatial information processing

Naomi J. Goodrich-Hunsaker; Michael R. Hunsaker; Raymond P. Kesner

doi:10.1037/0735-7044.119.5.1307

Dissociating the role of the parietal cortex and dorsal hippocampus for spatial information processing

Naomi J. Goodrich-Hunsaker, Michael R. Hunsaker, Raymond P. Kesner

Research output: Contribution to journal › Article › peer-review

73 Scopus citations

Abstract

Dorsal hippocampus, parietal cortex, and control lesioned rats were tested on both a metric and topological task. The metric task consisted of 2 different objects placed 68 cm apart on a cheese board. After habituation, the objects were moved to a separation of 38 cm on Day 1 and to a separation of 98 cm on Day 2. The topological task consisted of 4 different objects placed in a square orientation. After habituation, the first 2 objects were switched, and after the rats habituated to that change, the back 2 objects were switched. This was repeated on a different day with 4 new objects. The data suggest that the hippocampus is necessary for metric representations, whereas the parietal cortex is necessary for topological representations.

Original language	English (US)
Pages (from-to)	1307-1315
Number of pages	9
Journal	Behavioral Neuroscience
Volume	119
Issue number	5
DOIs	https://doi.org/10.1037/0735-7044.119.5.1307
State	Published - Oct 2005
Externally published	Yes

Keywords

Dorsal hippocampus
Metric
Novelty
Parietal cortex
Topological

ASJC Scopus subject areas

Behavioral Neuroscience
Clinical Psychology

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Dissociating the role of the parietal cortex and dorsal hippocampus for spatial information processing

Abstract

Keywords

ASJC Scopus subject areas

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