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Neural processing associated with comprehension of an indirect reply during a scenario reading task

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/47980

Title: Neural processing associated with comprehension of an indirect reply during a scenario reading task
Authors: Shibata, Midori Browse this author
Abe, Jun-ichi Browse this author
Itoh, Hiroaki Browse this author
Shimada, Koji Browse this author
Umeda, Satoshi Browse this author
Keywords: Indirect reply
Functional MRI
Pragmatics
Inference
Mentalizing
Issue Date: Nov-2011
Publisher: Elsevier
Journal Title: Neuropsychologia
Volume: 49
Issue: 13
Start Page: 3542
End Page: 3550
Publisher DOI: 10.1016/j.neuropsychologia.2011.09.006
PMID: 21930137
Abstract: In daily communication, we often use indirect speech to convey our intention. However, little is known about the brain mechanisms that underlie the comprehension of indirect speech. In this study, we conducted a functional MRI experiment using a scenario reading task to compare the neural activity induced by an indirect reply (a type of indirect speech) and a literal sentence. Participants read a short scenario consisting of three sentences. The first two sentences explained the situation of the protagonists, whereas the third sentence had an indirect, literal, or unconnected meaning. The indirect reply condition primarily activated the bilateral fronto-temporal networks (Brodmann's Areas (BA) 47 and 21) and the dorso-medial prefrontal cortex (dmPFC). In the literal sentence condition, only the left fronto-temporal network (BA 45 and 21) and the dmPFC (posterior region) were activated. In addition, we found greater activation resulting from comprehension of an indirect reply than from literal sentence comprehension in the dmPFC, the left middle frontal area (BA 9), the bilateral inferior frontal area (BA 9/47), and the right middle temporal area (BA 21). Our findings indicate that the right and left fronto-temporal networks play a crucial role in detecting contextual violations, whereas the medial frontal cortex is important for generating inferences to make sense of remarks within a context.
Type: article (author version)
URI: http://hdl.handle.net/2115/47980
Appears in Collections:文学院・文学研究院 (Graduate School of Humanities and Human Sciences / Faculty of Humanities and Human Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 柴田 みどり

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