Connectivity profiles reveal a transition subarea in the parahippocampal region that integrates the anterior temporal–posterior medial systems

Zhuo, Junjie, Fan, Lingzhong, Liu, Yong, Zhang, Yuanchao, Yu, Chunshui and Jiang, Tianzi (2016) Connectivity profiles reveal a transition subarea in the parahippocampal region that integrates the anterior temporal–posterior medial systems. Journal of Neuroscience, 36 9: 2782-2795. doi:10.1523/JNEUROSCI.1975-15.2016

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Author Zhuo, Junjie
Fan, Lingzhong
Liu, Yong
Zhang, Yuanchao
Yu, Chunshui
Jiang, Tianzi
Title Connectivity profiles reveal a transition subarea in the parahippocampal region that integrates the anterior temporal–posterior medial systems
Journal name Journal of Neuroscience   Check publisher's open access policy
ISSN 1529-2401
0270-6474
Publication date 2016-03-02
Year available 2016
Sub-type Article (original research)
DOI 10.1523/JNEUROSCI.1975-15.2016
Open Access Status File (Publisher version)
Volume 36
Issue 9
Start page 2782
End page 2795
Total pages 14
Place of publication Washington, DC, United States
Publisher Society for Neuroscience
Collection year 2017
Language eng
Abstract Traditional anatomical studies of the parahippocampal region (PHR) defined the lateral portion into two subregions, the perirhinal (PRC) and parahippocampal (PHC) cortices. Based on this organization, several models suggested that the PRC and the PHC play different roles in memory through connections with different memory-related brain networks. To identify the key components of the human PHR, we used a well accepted connection-based parcellation method on two independent datasets. Our parcellation divided the PRC and PHC into three subregions, specifically, the rostral PRC, caudal PRC (PRCc), and PHC. The connectivity profile for each subregion showed that the rostral PRC was connected to the anterior temporal (AT) system and the PHC was connected to the posterior medial (PM) system. The transition area (PRCc) integrated the AT-PM systems. These results suggest that the lateral PHR not only contains functionally segregated subregions, but also contains a functionally integrated subregion.
Keyword Brain connectivity
Parahippocampal region
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: HERDC Pre-Audit
Queensland Brain Institute Publications
 
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