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Cerebral Cortex Advance Access published online on November 24, 2004
Cerebral Cortex, doi:10.1093/cercor/bhh215
© 2004 by Oxford University Press
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Article

Psychological Structure and Neural Correlates of Event Knowledge

Jacqueline N. Wood 1, Kristine M. Knutson 1, and Jordan Grafman 1*

1 Cognitive Neuroscience Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA

* To whom correspondence should be addressed.
Jordan Grafman, E-mail: grafmanj{at}ninds.nih.gov


  Abstract

Humans are capable of storing and retrieving sequences of complex structured events. Here we report a study in which we establish the psychological structure of event knowledge and then use parametric event-related functional magnetic resonance imaging to identify its neural correlates. We demonstrate that event knowledge is organized along dissociable dimensions that are reflected in distinctive patterns of neural activation: social valence (amygdala and right orbitofrontal cortex), experience (medial prefrontal cortex) and engagement (left orbitofrontal cortex). Our study affirms the importance and uniqueness of the human prefrontal cortex in representing event knowledge.

Keywords: amygdala; functional MRI; multidimensional scaling; prefrontal cortex; scripts.
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