title: How fMRI Can Inform Cognitive Theories.
abstract: How can functional magnetic resonance imaging (fMRI) advance cognitive theory? Some have argued that fMRI can do little beyond localizing brain regions that carry out certain cognitive functions (and may not even be able to do that). However, in this article, we argue that fMRI can inform theories of cognition by helping to answer at least four distinct kinds of questions. Which mental functions are performed in brain regions specialized for just that function (and which are performed in more general-purpose brain machinery)? When fMRI markers of a particular Mental Process X are found, is Mental Process X engaged when people perform Task Y? How distinct are the representations of different stimulus classes? Do specific pairs of tasks engage common or distinct processing mechanisms? Thus, fMRI data can be used to address theoretical debates that have nothing to do with where in the brain a particular process is carried out.
authors.affiliation: University of Southern California mara.mather@usc.edu.
authors.forename: Mara
authors.initials: M
authors.lastname: Mather
authors.affiliation: University of Chicago.
authors.forename: John T
authors.initials: JT
authors.lastname: Cacioppo
authors.affiliation: Massachusetts Institute of Technology.
authors.forename: Nancy
authors.initials: N
authors.lastname: Kanwisher
keywords: cognition; cognitive theory; fMRI; neuroimaging
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