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  An anterior-posterior gradient of cognitive control within the dorsomedial striatum

Mestres-Misse, A., Turner, R., & Friederici, A. D. (2012). An anterior-posterior gradient of cognitive control within the dorsomedial striatum. NeuroImage, 62(1), 41-47. doi:10.1016/j.neuroimage.2012.05.021.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-9EA1-B Version Permalink: http://hdl.handle.net/21.11116/0000-0004-5C1D-6
Genre: Journal Article

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MestresMisse_2012_Anterior.pdf (Publisher version), 522KB
 
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 Creators:
Mestres-Misse, Anna1, Author              
Turner, Robert2, Author              
Friederici, Angela D.1, Author              
Affiliations:
1Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
2Department Neurophysics, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634550              

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Free keywords: 7 T; Basal ganglia; Caudate nucleus; Cognitive control; fMRI
 Abstract: Lateral prefrontal cortex and basal ganglia work together to mediate working memory and top-down regulation of cognition. This circuit regulates the balance and interactions between automatic and high-order control responses. Using ultra-high-field high-resolution functional magnetic resonance imaging (7 T-fMRI), the present study examined the role of subcortical structures in cognitive control during language processing. Participants were asked to judge the grammaticality of unambiguous, ungrammatical and ambiguous sentences. Grammatical unambiguous sentences should elicit an automatic response, while ambiguous and ungrammatical sentences should conflict with the automatic response and, hence, require a high-order control response. Within the control response domain, ambiguity and ungrammaticality represent two different dimensions of conflict resolution, while for a temporarily ambiguous sentence a correct interpretation is available, that is not the case for ungrammatical sentences. Our results reveal an anterior–posterior axis in the dorsomedial striatum with more rostral regions supporting higher levels of cognitive processing. This functional architecture mirrors the rostrocaudal hierarchical organization evidenced within the lateral prefrontal cortex.

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Language(s): eng - English
 Dates: 2012-05-142012-08-01
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.neuroimage.2012.05.021
PMID: 22617829
Other: Epub 2012
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Title: NeuroImage
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Source Genre: Journal
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Pages: - Volume / Issue: 62 (1) Sequence Number: - Start / End Page: 41 - 47 Identifier: ISSN: 1053-8119
CoNE: /journals/resource/954922650166