Spontaneous revisitation during visual exploration as a link among strategic behavior, learning, and the hippocampus

Joel L. Voss, David E. Warren, Brian D. Gonsalvesa, Kara D. Federmeier, Dan Tranel, Neal J. Cohen

Research output: Contribution to journalArticle

Abstract

Effective exploratory behaviors involve continuous updating of sensory sampling to optimize the efficacy of information gathering. Despite some work on this issue in animals, little information exists regarding the cognitive or neural mechanisms for this sort of behavioral optimization in humans. Here we examined a visual exploration phenomenon that occurred when human subjects studying an array of objects spontaneously looked "backward" in their scanning paths to view recently seen objects again. This "spontaneous revisitation" of recently viewed objects was associated with enhanced hippocampal activity and superior subsequent memory performance in healthy participants, but occurred only rarely in amnesic patients with severe damage to the hippocampus. These findings demonstrate the necessity of the hippocampus not just in the aspects of long-term memory with which it has been associated previously, but also in the short-term adaptive control of behavior. Functional neuroimaging showed hippocampal engagement occurring in conjunction with frontocerebellar circuits, thereby revealing some of the larger brain circuitry essential for the strategic deployment of information-seeking behaviors that optimize learning.

Original languageEnglish (US)
JournalProceedings of the National Academy of Sciences of the United States of America
Volume108
Issue number31
DOIs
StatePublished - Aug 2 2011

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Hippocampus
Information Seeking Behavior
Learning
Functional Neuroimaging
Exploratory Behavior
Long-Term Memory
Psychological Adaptation
Healthy Volunteers
Brain

Keywords

  • Amnesia
  • Refrontal cortex
  • Vicarious trial-and-error behavior

ASJC Scopus subject areas

  • General

Cite this

Spontaneous revisitation during visual exploration as a link among strategic behavior, learning, and the hippocampus. / Voss, Joel L.; Warren, David E.; Gonsalvesa, Brian D.; Federmeier, Kara D.; Tranel, Dan; Cohen, Neal J.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 108, No. 31, 02.08.2011.

Research output: Contribution to journalArticle

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