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  Individual-subject activations of the posterior frontolateral cortex in a task-switching paradigm

Derrfuss, J., Brass, M., Von Cramon, D., Lohmann, G., & Amunts, K. (2008). Individual-subject activations of the posterior frontolateral cortex in a task-switching paradigm. Poster presented at 10th International Conference on Cognitive Neuroscience (ICON 2008), Bodrum, Turkey. doi:10.3389/conf.neuro.09.2009.01.193.

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Derrfuss, J, Author
Brass, M, Author
Von Cramon, DY, Author
Lohmann, G1, Author              
Amunts, K, Author
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1External Organizations, ou_persistent22              

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 Abstract: The sulcal morphology of the human frontal lobe is highly variable. Although the structural images usually acquired in functional magnetic resonance imaging (fMRI) studies provide information about this interindividual variability, this information is only rarely used to relate structure and function. We investigated the spatial relationship between posterior frontolateral activations in a task-switching paradigm and the junction of the inferior frontal sulcus and the inferior precentral sulcus (IFJ) on an individual-subject basis using volume-based thresholding. Results show that, although variable in terms of stereotaxic coordinates, the posterior frontolateral activations observed in task-switching are consistently and reliably located at the IFJ in the brains of individual participants. The IFJ shares such consistent localization with other non-primary areas as motion-sensitive area V5/MT and the frontal eye field. Building on tension-based models of morphogenesis, this structure-function correspondence might indicate that the cytoarchitectonic area underlying activations of the IFJ develops at early stages of cortical folding.

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 Dates: 2008-12
 Publication Status: Published online
 Pages: -
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 Identifiers: DOI: 10.3389/conf.neuro.09.2009.01.193
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Title: 10th International Conference on Cognitive Neuroscience (ICON 2008)
Place of Event: Bodrum, Turkey
Start-/End Date: 2008-09-01 - 2008-09-05

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Title: Frontiers in Human Neuroscience
  Abbreviation : Front Hum Neurosci
Source Genre: Journal
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Publ. Info: Lausanne, Switzerland : Frontiers Research Foundation
Pages: - Volume / Issue: 2008 (Conference Abstract: 10th International Conference on Cognitive Neuroscience) Sequence Number: - Start / End Page: - Identifier: ISSN: 1662-5161
CoNE: https://pure.mpg.de/cone/journals/resource/1662-5161