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Neural mechanisms of semantic memory

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Abstract

Using previously published functional magnetic resonance imaging work studying object recall as a framework, we describe the spatial and temporal properties of brain activation as one plausible model of visually triggered access to semantic memory. We suggest that interactions between the dorsomedial thalamus and Brodmann area 6 facilitate the setting of object search criteria and perhaps drive the search. The pulvinar nucleus of the thalamus, in concert with ventral temporal and occipital cortical regions, become active later, perhaps when the criteria are met or the target object is identified.

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Authors and Affiliations

  1. GRECC of CAVHS, 3J 149, Eugene Towbin Healthcare Center, 2200 Ft. Roots Drive, 72114, North Little Rock, AR, USA

    John Hart Jr MD

Authors
  1. Michael A. Kraut MD, PhD
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  2. Jeffery Pitcock BBA
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  3. John Hart Jr MD
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Kraut, M.A., Pitcock, J. & Hart, J. Neural mechanisms of semantic memory. Curr Neurol Neurosci Rep 4, 461–465 (2004). https://doi.org/10.1007/s11910-004-0069-6

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  • DOI: https://doi.org/10.1007/s11910-004-0069-6

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