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How Does the Brain Support Script Comprehension? A Study of Executive Processes and Semantic Knowledge in Dementia
Journal article   Peer reviewed

How Does the Brain Support Script Comprehension? A Study of Executive Processes and Semantic Knowledge in Dementia

Stephanie Cosentino, Douglas Chute, David Libon, Peachie Moore and Murray Grossman
Neuropsychology, v 20(3), pp 307-318
May 2006
DOI: https://doi.org/10.1037/0894-4105.20.3.307
PMID: 16719624

Abstract

semantic knowledge frontotemporal dementia scripts executive functioning Alzheimer's disease
The neuropsychological substrate of scripts, routines which guide much of human behavior, is unclear. We propose a model of script comprehension characterized by the interaction of semantic knowledge for script content, and executive resources that organize this knowledge into goal directed behavior. We examined these neuropsychological components by asking participants with Alzheimer's disease (AD) and frontotemporal dementia (behavioral disorder/dysexecutive syndrome (BDD) and semantic dementia (SD) subtypes), to judge the coherence of four-phrase scripts. The BDD group detected significantly fewer sequencing errors than semantic errors; the AD and SD groups detected these errors with equal frequency. Independent semantic measures predicted both semantic and sequencing script errors, while executive measures predicted sequencing errors only. Findings support a multi-component model of script comprehension.

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34 citations in Web of Science
45 citations in Scopus

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Collaboration types
Domestic collaboration
Web of Science research areas
Neurosciences
Psychology
Psychology, Clinical
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