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  Dorsomedial striatum involvement in regulating conflict between current and presumed outcomes

Mestres-Misse, A., Bazin, P.-L., Trampel, R., Turner, R., & Kotz, S. A. (2014). Dorsomedial striatum involvement in regulating conflict between current and presumed outcomes. NeuroImage, 98, 159-167. doi:10.1016/j.neuroimage.2014.05.002.

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Mestres-Misse, Anna1, 2, Autor           
Bazin, Pierre-Louis3, 4, Autor           
Trampel, Robert3, Autor           
Turner, Robert3, Autor           
Kotz, Sonja A.1, 2, Autor           
Affiliations:
1Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
2School of Psychological Sciences, University of Manchester, United Kingdom, ou_persistent22              
3Department Neurophysics, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634550              
4Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, Leipzig, DE, ou_634549              

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Schlagwörter: Cognitive control; Conflict; 7 T-fMRI; Ambiguity; Striatum
 Zusammenfassung: The balance between automatic and controlled processing is essential to human flexible but optimal behavior. On the one hand, the automation of habitual behavior and processing is indispensable, and, on the other hand, strategic processing is needed in light of unexpected, conflicting, or new situations. Using ultra-high-field high-resolution functional magnetic resonance imaging (7 T-fMRI), the present study examined the role of subcortical structures in mediating this balance. Participants were asked to judge the congruency of sentences containing a semantically ambiguous or unambiguous word. Ambiguous sentences had three possible resolutions: dominant meaning, subordinate meaning, and incongruent. The dominant interpretation represents the most habitual response, whereas both the subordinate and incongruent options clash with this automatic response, and, hence, require cognitive control. Moreover, the subordinate resolution entails a less expected but correct outcome, while the incongruent condition is simply wrong. The current results reveal the involvement of the anterior dorsomedial striatum in modulating and resolving conflict between actual and expected outcomes, and highlight the importance of cortical and subcortical cooperation in this process.

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Sprache(n): eng - English
 Datum: 2013-05-032014-05-112014-09-01
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1016/j.neuroimage.2014.05.002
PMID: 24825503
Anderer: Epub 2014
 Art des Abschluß: -

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Titel: NeuroImage
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 98 Artikelnummer: - Start- / Endseite: 159 - 167 Identifikator: ISSN: 1053-8119
CoNE: https://pure.mpg.de/cone/journals/resource/954922650166