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  The impact of MRI scanner environment on perceptual decision-making

van Maanen, L., Forstmann, B. U., Keuken, M. C., Wagenmakers, E.-J., & Heathcote, A. (2016). The impact of MRI scanner environment on perceptual decision-making. Behavior Research Methods, 48(1), 184-200. doi:10.3758/s13428-015-0563-6.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-1F6A-B Version Permalink: http://hdl.handle.net/21.11116/0000-0003-1DDC-6
Genre: Journal Article

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van Maanen_2015.pdf (Publisher version), 846KB
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 Creators:
van Maanen, Leendert1, 2, Author
Forstmann, Birte U.1, 3, Author              
Keuken, Max C.1, 4, Author              
Wagenmakers, Eric-Jan1, Author
Heathcote, Andrew5, Author
Affiliations:
1University of Amsterdam, the Netherlands, ou_persistent22              
2Department of Psychology, University of Amsterdam, the Netherlands, ou_persistent22              
3Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
4MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634548              
5University of Newcastle, Callaghan, Australia, ou_persistent22              

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Free keywords: Decision-making; Response-time models; Behavioral experiments; Linear ballistic accumulator
 Abstract: Despite the widespread use of functional magnetic resonance imaging (fMRI), few studies have addressed scanner effects on performance. The studies that have examined this question show a wide variety of results. In this article we report analyses of three experiments in which participants performed a perceptual decision-making task both in a traditional setting as well as inside an MRI scanner. The results consistently show that response times increase inside the scanner. Error rates also increase, but to a lesser extent. To reveal the underlying mechanisms that drive the behavioral changes when performing a task inside the MRI scanner, the data were analyzed using the linear ballistic accumulator model of decision-making. These analyses show that, in the scanner, participants exhibit a slow down of the motor component of the response and have less attentional focus on the task. However, the balance between focus and motor slowing depends on the specific task requirements.

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Language(s): eng - English
 Dates: 2015-02-212016-03
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.3758/s13428-015-0563-6
PMID: 25701105
PMC: PMC4819926
 Degree: -

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Title: Behavior Research Methods
Source Genre: Journal
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Publ. Info: Austin, TX : Psychonomic Society
Pages: - Volume / Issue: 48 (1) Sequence Number: - Start / End Page: 184 - 200 Identifier: ISSN: 1554-3528
CoNE: https://pure.mpg.de/cone/journals/resource/1554-3528