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Using a symbolic process model as input for model-based fMRI analysis: locating the neural correlates of problem state replacements.

To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.neuroimage.2011.05.084 Byline: Jelmer P. Borst, Niels A. Taatgen, Hedderik van Rijn Keywords: Model-based fMRI; Cognitive model; Problem state Abbreviations: ACT-R, Adaptive Control of Thought-Rational; FWE, F... Full description

Journal Title: NeuroImage September 1, 2011, Vol.58(1), pp.137-147
Main Author: Borst, Jelmer P
Other Authors: Taatgen, Niels A , van Rijn, Hedderik
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1095-9572 ; DOI: 10.1016/j.neuroimage.2011.05.084
Link: http://search.proquest.com/docview/879484621/?pq-origsite=primo
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title: Using a symbolic process model as input for model-based fMRI analysis: locating the neural correlates of problem state replacements.
format: Article
creator:
  • Borst, Jelmer P
  • Taatgen, Niels A
  • van Rijn, Hedderik
subjects:
  • Adolescent–Physiology
  • Adult–Physiology
  • Behavior–Physiology
  • Cerebrovascular Circulation–Methods
  • Cognition–Methods
  • Female–Blood
  • Hemodynamics–Physiology
  • Humans–Physiology
  • Image Processing, Computer-Assisted–Physiology
  • Magnetic Resonance Imaging–Physiology
  • Male–Physiology
  • Models, Neurological–Physiology
  • Oxygen–Physiology
  • Problem Solving–Physiology
  • Psychomotor Performance–Physiology
  • Reaction Time–Physiology
  • Young Adult–Physiology
  • Oxygen
ispartof: NeuroImage, September 1, 2011, Vol.58(1), pp.137-147
description: To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.neuroimage.2011.05.084 Byline: Jelmer P. Borst, Niels A. Taatgen, Hedderik van Rijn Keywords: Model-based fMRI; Cognitive model; Problem state Abbreviations: ACT-R, Adaptive Control of Thought-Rational; FWE, Family-Wise Error correction; GLM, General Linear Model; HRF, Hemodynamic Response Function; LME, Linear Mixed Effects model Abstract: In this paper, a model-based analysis method for fMRI is used with a high-level symbolic process model. Participants performed a triple-task in which intermediate task information needs to be updated frequently. Previous work has shown that the associated resource - the problem state resource - acts as a bottleneck in multitasking. The model-based method was used to locate the neural correlates of 'problem state replacements'. To analyze the fMRI data, we fit the computational process model to the behavioral data and regressed the model's activity against the fMRI data. The brain region responsible for the temporary representation of problem states, the inferior parietal lobule, and the brain region responsible for long-term storage of problem states, the inferior frontal gyrus were thus identified. These results show that model-based fMRI analyses can be performed using high-level symbolic cognitive models, enabling fine-grained exploratory fMRI research. Article History: Received 20 December 2010; Revised 19 April 2011; Accepted 23 May 2011
language: eng
source:
identifier: E-ISSN: 1095-9572 ; DOI: 10.1016/j.neuroimage.2011.05.084
fulltext: fulltext
issn:
  • 10959572
  • 1095-9572
url: Link


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subjectAdolescent–Physiology ; Adult–Physiology ; Behavior–Physiology ; Cerebrovascular Circulation–Methods ; Cognition–Methods ; Female–Blood ; Hemodynamics–Physiology ; Humans–Physiology ; Image Processing, Computer-Assisted–Physiology ; Magnetic Resonance Imaging–Physiology ; Male–Physiology ; Models, Neurological–Physiology ; Oxygen–Physiology ; Problem Solving–Physiology ; Psychomotor Performance–Physiology ; Reaction Time–Physiology ; Young Adult–Physiology ; Oxygen
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descriptionTo link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.neuroimage.2011.05.084 Byline: Jelmer P. Borst, Niels A. Taatgen, Hedderik van Rijn Keywords: Model-based fMRI; Cognitive model; Problem state Abbreviations: ACT-R, Adaptive Control of Thought-Rational; FWE, Family-Wise Error correction; GLM, General Linear Model; HRF, Hemodynamic Response Function; LME, Linear Mixed Effects model Abstract: In this paper, a model-based analysis method for fMRI is used with a high-level symbolic process model. Participants performed a triple-task in which intermediate task information needs to be updated frequently. Previous work has shown that the associated resource - the problem state resource - acts as a bottleneck in multitasking. The model-based method was used to locate the neural correlates of 'problem state replacements'. To analyze the fMRI data, we fit the computational process model to the behavioral data and regressed the model's activity against the fMRI data. The brain region responsible for the temporary representation of problem states, the inferior parietal lobule, and the brain region responsible for long-term storage of problem states, the inferior frontal gyrus were thus identified. These results show that model-based fMRI analyses can be performed using high-level symbolic cognitive models, enabling fine-grained exploratory fMRI research. Article History: Received 20 December 2010; Revised 19 April 2011; Accepted 23 May 2011
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