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Integrated Models of Cognitive Systems$
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Wayne D. Gray

Print publication date: 2007

Print ISBN-13: 9780195189193

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780195189193.001.0001

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Using Brain Imaging to Guide the Development of a Cognitive Architecture

Using Brain Imaging to Guide the Development of a Cognitive Architecture

Chapter:
(p.48) (p.49) 4 Using Brain Imaging to Guide the Development of a Cognitive Architecture
Source:
Integrated Models of Cognitive Systems
Author(s):

John R. Anderson

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780195189193.003.0004

Functional magnetic resonance imaging has been used as a way to test and extend the ACT-R (adaptive control of thought-rational) theory. This chapter describes a new modeling effort that illustrates the potential of this approach, and then ends with some general remarks about the potential of such data to guide modeling efforts and the development of a cognitive architecture generally. Brain imaging has grown hand in hand with the movement to a module-based representation of knowledge in the current ACT-R theory. According to the ACT-R theory, cognition emerges through the interaction of a number of independent modules. This chapter discusses the ACT-R architecture and its application to brain imaging. It also presents a methodology for relating the profile of activity in ACT-R modules to the blood-oxygen level dependent responses from the brain regions that correspond to these modules.

Keywords:   ACT-R theory, adaptive control, functional magnetic resonance imaging, brain imaging, cognitive architecture, modeling, cognition, modules, blood-oxygen level dependent responses

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