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Human hippocampal‐dependent tasks: Is awareness necessary or sufficient?

Human hippocampal‐dependent tasks: Is awareness necessary or sufficient? The hippocampus has been shown to be required for the acquisition of declarative or explicit memory. Whether all hippocampal‐dependent forms of learning and memory are explicit is an open question. Controversy has emerged about the existence of implicit hippocampal‐dependent tasks. Two implicit tasks that may involve the hippocampusare a relational eye tracking task (Ryan et al. (2000) Psychol Sci 11:454–461) and transitive inference (Greene et al. (2006) J Cognit Neurosci 18:1156–1173; Greene et al. (2001) Mem Cognit 29:893–902). Recently, it was shown that both of these tasks may depend upon task awareness (Smith et al. (2006) J Neurosci 26:11304–11312; Smith and Squire (2005) J Neurosci 25:10138–10146). It is argued that in both cases, distinct, explicit versions of the tasks were created, which do not disprove the implicit nature of the original tasks. © 2007 Wiley‐Liss, Inc. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Hippocampus Wiley

Human hippocampal‐dependent tasks: Is awareness necessary or sufficient?

Hippocampus , Volume 17 (6) – Jan 1, 2007

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References (50)

Publisher
Wiley
Copyright
Copyright © 2007 Wiley Subscription Services
ISSN
1050-9631
eISSN
1098-1063
DOI
10.1002/hipo.20296
pmid
17455198
Publisher site
See Article on Publisher Site

Abstract

The hippocampus has been shown to be required for the acquisition of declarative or explicit memory. Whether all hippocampal‐dependent forms of learning and memory are explicit is an open question. Controversy has emerged about the existence of implicit hippocampal‐dependent tasks. Two implicit tasks that may involve the hippocampusare a relational eye tracking task (Ryan et al. (2000) Psychol Sci 11:454–461) and transitive inference (Greene et al. (2006) J Cognit Neurosci 18:1156–1173; Greene et al. (2001) Mem Cognit 29:893–902). Recently, it was shown that both of these tasks may depend upon task awareness (Smith et al. (2006) J Neurosci 26:11304–11312; Smith and Squire (2005) J Neurosci 25:10138–10146). It is argued that in both cases, distinct, explicit versions of the tasks were created, which do not disprove the implicit nature of the original tasks. © 2007 Wiley‐Liss, Inc.

Journal

HippocampusWiley

Published: Jan 1, 2007

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