NDLI: Functional subregions of the human entorhinal cortex

Content Provider	PubMed Central
Author	Maass, Anne Berron, David Libby, Laura A. Ranganath, Charan Emrah, Düzel
Editor	Eichenbaum, Howard
Copyright Year	2015
Abstract	The entorhinal cortex (EC) is the primary site of interactions between the neocortex and hippocampus. Studies in rodents and nonhuman primates suggest that EC can be divided into subregions that connect differentially with perirhinal cortex (PRC) vs parahippocampal cortex (PHC) and with hippocampal subfields along the proximo-distal axis. Here, we used high-resolution functional magnetic resonance imaging at 7 Tesla to identify functional subdivisions of the human EC. In two independent datasets, PRC showed preferential intrinsic functional connectivity with anterior-lateral EC and PHC with posterior-medial EC. These EC subregions, in turn, exhibited differential connectivity with proximal and distal subiculum. In contrast, connectivity of PRC and PHC with subiculum followed not only a proximal-distal but also an anterior-posterior gradient. Our data provide the first evidence that the human EC can be divided into functional subdivisions whose functional connectivity closely parallels the known anatomical connectivity patterns of the rodent and nonhuman primate EC.
Related Links	http://dx.doi.org/10.7554/elife.06426
Starting Page	6426
File Format	PDF
ISSN	2050084X
e-ISSN	2050084X
Journal	eLife
Volume Number	4
Language	English
Publisher	eLife Sciences Publications, Ltd
Publisher Date	2015-06-01
Access Restriction	Open
Rights Holder	eLife Sciences Publications, Ltd
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Neuroscience Immunology and Microbiology Medicine Biochemistry, Genetics and Molecular Biology

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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