Document Detail

The role of the gustatory thalamus in taste-guided behavior.
MedLine Citation:
PMID:  9809317     Owner:  NLM     Status:  MEDLINE    
Gustatory thalamus is the functional name for the parvicellular region of the ventroposteromedial nucleus of the thalamus. It is the penultimate nucleus in the thalamocortical pathway of the central gustatory system. Early research encouraged the view that the gustatory thalamus was important for taste detection and recognition. Consistent with this analysis, lesions of the area were found to induce profound deficits of innate taste preferences and aversions, salt appetite, and conditioned taste aversions (CTAs). More recent research using discrete lesions placed with electrophysiological guidance has, however, demonstrated that these deficits were due to damage to structures outside of, rather than within, the boundaries of the gustatory thalamus. In fact, the new data show that the gustatory thalamus is not essential for taste detection, sodium appetite, or CTA learning, but is critical for the preparatory (i.e. food-seeking) rather than the consummatory (i.e. food-eating) aspects of taste-guided behavior.
S Reilly
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.; Review    
Journal Detail:
Title:  Neuroscience and biobehavioral reviews     Volume:  22     ISSN:  0149-7634     ISO Abbreviation:  Neurosci Biobehav Rev     Publication Date:  1998 Oct 
Date Detail:
Created Date:  1999-01-26     Completed Date:  1999-01-26     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  7806090     Medline TA:  Neurosci Biobehav Rev     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  883-901     Citation Subset:  IM    
Department of Psychology, University of Illinois at Chicago 60607, USA.
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MeSH Terms
Appetitive Behavior / physiology
Avoidance Learning / physiology
Conditioning, Classical / physiology
Food Preferences / physiology
Sodium, Dietary
Taste / physiology*
Thalamus / physiology*
Grant Support
Reg. No./Substance:
0/Sodium, Dietary

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