Journal
FRONTIERS IN HUMAN NEUROSCIENCE
Volume 6, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fnhum.2012.00091
Keywords
hippocampus; perirhinal cortex; medial temporal lobe; memory; perception; amnesia; functional neuroimaging; neuropsychology
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Funding
- Natural Sciences and Engineering Research Council of Canada
- Canadian Institutes of Health Research
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In this review, we will discuss the idea that the hippocampus may be involved in both memory and perception, contrary to theories that posit functional and neuroanatomical segregation of these processes. This suggestion is based on a number of recent neurophsychological and functional neuroimaging studies that have demonstrated that the hippocampus is involved in the visual discrimination of complex spatial scene stimuli. We argue that these finding cannot be explained by long-term memory or working memory processing or, in the case of patient findings, dysfunction beyond the medical temporal lobe (MTL). Instead, these studies point toward a role for the hippocampus in higher-order spatial perception. We suggest that the hippocampus processes complex conjuctions of spatial features, and that it may be more appropriate to consider the representations for which this structure is critical, rather than the cognitive processes that it mediates.
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