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ERIC Number: EJ865594
Record Type: Journal
Publication Date: 2009-Dec
Pages: 11
Abstractor: As Provided
ISSN: ISSN-0898-929X
Co-Localization of Stroop and Syntactic Ambiguity Resolution in Broca's Area: Implications for the Neural Basis of Sentence Processing
January, David; Trueswell, John C.; Thompson-Schill, Sharon L.
Journal of Cognitive Neuroscience, v21 n12 p2434-2444 Dec 2009
For over a century, a link between left prefrontal cortex and language processing has been accepted, yet the precise characterization of this link remains elusive. Recent advances in both the study of sentence processing and the neuroscientific study of frontal lobe function suggest an intriguing possibility: The demands to resolve competition between incompatible characterizations of a linguistic stimulus may recruit top-down cognitive control processes mediated by prefrontal cortex. We use functional magnetic resonance imaging to test the hypothesis that individuals use shared prefrontal neural circuitry during two very different tasks--color identification under Stroop conflict and sentence comprehension under conditions of syntactic ambiguity--both of which putatively rely on cognitive control processes. We report the first demonstration of within-subject overlap in neural responses to syntactic and nonsyntactic conflict. These findings serve to clarify the role of Broca's area in, and the neural and psychological organization of, the language processing system.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A