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  Cortico-subthalamic white matter tract strength predict interindividual efficacy in stopping a motor response

Forstmann, B. U., Keuken, M. C., Jahfari, S., Bazin, P.-L., Neumann, J., Schäfer, A., et al. (2012). Cortico-subthalamic white matter tract strength predict interindividual efficacy in stopping a motor response. NeuroImage, 60(1), 370-375. doi:10.1016/j.neuroimage.2011.12.044.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-61E6-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-CD22-0
Genre: Journal Article

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Forstmann_2012_Cortico.pdf (Publisher version), 487KB
 
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 Creators:
Forstmann, Birte U.1, Author
Keuken, Max C.1, Author
Jahfari, Sara1, Author
Bazin, Pierre-Louis2, Author              
Neumann, Jane3, 4, Author              
Schäfer, Andreas2, Author              
Anwander, Alfred5, Author              
Turner, Robert2, Author              
Affiliations:
1Cognitive Science Center Amsterdam, University of Amsterdam, the Netherlands, ou_persistent22              
2Department Neurophysics, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634550              
3Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
4Integrated Research and Treatment Center Adiposity Diseases, University of Leipzig, Germany, ou_persistent22              
5Methods and Development Unit Cortical Networks and Cognitive Functions, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634557              

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Free keywords: Subthalamic nucleus; 7T magnetic resonance imaging; Atlas; Diffusion weighted imaging; Stop-signal paradigm
 Abstract: The subthalamic nucleus (STN) is a small but vitally important structure in the basal ganglia. Because of its small volume, and its localization in the basal ganglia, the STN can best be visualized using ultra-high resolution 7 Tesla (T) magnetic resonance imaging (MRI). In the present study, first we individually segmented 7T MRI STN masks to generate atlas probability maps. Secondly, the individually segmented STN masks and the probability maps were used to derive cortico-subthalamic white matter tract strength. Tract strength measures were then taken to test two functional STN hypotheses which account for the efficiency in stopping a motor response: the right inferior fronto-subthalamic (rIFC-STN) hypothesis and the posterior medial frontal cortex-subthalamic (pMFC-STN) hypothesis. Results of two independent experiments show that increased white matter tract strength between the pMFC and STN results in better stopping behaviour.

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Language(s): eng - English
 Dates: 2011-12-152011-12-282012-03
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: PMID: 22227131
DOI: 10.1016/j.neuroimage.2011.12.044
Other: Epub 2011
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Title: NeuroImage
Source Genre: Journal
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Publ. Info: Orlando, FL : Academic Press
Pages: - Volume / Issue: 60 (1) Sequence Number: - Start / End Page: 370 - 375 Identifier: ISSN: 1053-8119
CoNE: https://pure.mpg.de/cone/journals/resource/954922650166