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Why People Get LostThe Psychology and Neuroscience of Spatial Cognition$
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Paul Dudchenko

Print publication date: 2010

Print ISBN-13: 9780199210862

Published to Oxford Scholarship Online: September 2010

DOI: 10.1093/acprof:oso/9780199210862.001.0001

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Alzheimer’s disease, the parietal lobe, and topographical disorientation

Alzheimer’s disease, the parietal lobe, and topographical disorientation

Chapter:
(p.221) Chapter 9 Alzheimer’s disease, the parietal lobe, and topographical disorientation
Source:
Why People Get Lost
Author(s):

Paul A. Dudchenko

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199210862.003.0009

This chapter considers spatial cognition in relation to three neurological conditions: Alzheimer's disease, parietal cortex dysfunction, and topographical disorientation. For Alzheimer's disease, one of the most common impairments is an inability to find one's way and to remember locations. As there is overlap between the brain regions affected in this disease and the brain regions that contain head direction, grid, and place cells, it may be that disruption of these neural circuits underlies spatial difficulties. For parietal cortex damage, difficulties with spatial representation, including contralateral neglect, are described. These merge with different types of topographical disorientation, based on neuropsychological studies.

Keywords:   Alzheimer's disease, topographical disorientation, parietal lobe, head direction cells, disorientation

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