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  Human orbital and anterior medial prefrontal cortex: Intrinsic connectivity parcellation and functional organization

Samara, Z., Evers, E. A. T., Goulas, A., Uylings, H. B. M., Rajkowska, G., Ramaekers, J. G., et al. (2017). Human orbital and anterior medial prefrontal cortex: Intrinsic connectivity parcellation and functional organization. Brain Structure & Function, 222(7), 2941-2960. doi:10.1007/s00429-017-1378-2.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-F006-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-B457-0
Genre: Journal Article

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 Creators:
Samara, Zoe1, Author
Evers, Elisabeth A. T.1, Author
Goulas, Alexandros2, Author              
Uylings, Harry B. M.3, Author
Rajkowska, Grazyna4, Author
Ramaekers, Johannes G.1, Author
Stiers, Peter1, Author
Affiliations:
1Department of Neuropsychology and Psychopharmacology, Maastricht University, the Netherlands, ou_persistent22              
2Max Planck Research Group Neuroanatomy and Connectivity, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_1356546              
3Department of Anatomy and Neuroscience, VU University Medical Center, Amsterdam, the Netherlands, ou_persistent22              
4Department of Psychiatry and Human Behavior, University of Mississippi Medical Center, Jackson, MS, USA, ou_persistent22              

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Free keywords: Functional connectivity; Human; Orbital-medial prefrontal cortex; Modularity; MRI; Parcellation
 Abstract: The orbital and medial prefrontal cortex (OMPFC) has been implicated in decision-making, reward and emotion processing, and psychopathology, such as depression and obsessive–compulsive disorder. Human and monkey anatomical studies indicate the presence of various cortical subdivisions and suggest that these are organized in two extended networks, a medial and an orbital one. Attempts have been made to replicate these neuroanatomical findings in vivo using MRI techniques for imaging connectivity. These revealed several consistencies, but also many inconsistencies between reported results. Here, we use fMRI resting-state functional connectivity (FC) and data-driven modularity optimization to parcellate the OMPFC to investigate replicability of in vivo parcellation more systematically. By collecting two resting-state data sets per participant, we were able to quantify the reliability of the observed modules and their boundaries. Results show that there was significantly more than chance overlap in modules and their boundaries at the level of individual data sets. Moreover, some of these consistent boundaries significantly co-localized across participants. Hierarchical clustering showed that the whole-brain FC profiles of the OMPFC subregions separate them in two networks, a medial and orbital one, which overlap with the organization proposed by Barbas and Pandya (J Comp Neurol 286:353–375, 1989) and Ongür and Price (Cereb Cortex 10:206–219, 2000). We conclude that in vivo resting-state FC can delineate reliable and neuroanatomically plausible subdivisions that agree with established cytoarchitectonic trends and connectivity patterns, while other subdivisions do not show the same consistency across data sets and studies.

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Language(s): eng - English
 Dates: 2017-03-022017-09
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1007/s00429-017-1378-2
PMID: 28255676
PMC: PMC5581738
Other: Epub 2017
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Project name : -
Grant ID : 056-13-012
Funding program : -
Funding organization : The Netherlands Initiative Brain and Cognition (NICC)
Project name : -
Grant ID : P30 GM103328
Funding program : -
Funding organization : The National Institute of General Medical Sciences (NIGMS)

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Title: Brain Structure & Function
  Abbreviation : Brain Struct Funct
Source Genre: Journal
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Publ. Info: Berlin : Springer
Pages: - Volume / Issue: 222 (7) Sequence Number: - Start / End Page: 2941 - 2960 Identifier: ISSN: 1863-2653
CoNE: https://pure.mpg.de/cone/journals/resource/1863-2653