Document Detail

Spatial cognition and the hippocampus: the anterior-posterior axis.
MedLine Citation:
PMID:  23198887     Owner:  NLM     Status:  In-Data-Review    
We discuss the question of differentiation along the anterior-posterior longitudinal axis of the hippocampus. Data from a recent fMRI study are reanalyzed to determine whether activations in these hippocampal regions are affected by the nature of the information being accessed during a scanning session in which participants thought about episodes from their lives. Retrieving detailed spatial relational information preferentially activated the posterior hippocampus, whereas retrieving information about locales (or contexts) preferentially activated the anterior hippocampus. These data support the view that there is functional differentiation along the longitudinal axis in humans that matches what has been seen in rats, namely, that the posterior (dorsal) hippocampus is crucial for precise spatial behavior, and the anterior (ventral) hippocampus is crucial for context coding.
Lynn Nadel; Siobhan Hoscheidt; Lee R Ryan
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of cognitive neuroscience     Volume:  25     ISSN:  1530-8898     ISO Abbreviation:  J Cogn Neurosci     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2012-12-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8910747     Medline TA:  J Cogn Neurosci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  22-8     Citation Subset:  IM    
University of Arizona.
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