期刊
PSYCHOLOGICAL SCIENCE
卷 11, 期 3, 页码 255-260出版社
SAGE PUBLICATIONS INC
DOI: 10.1111/1467-9280.00251
关键词
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资金
- NIMH NIH HHS [T32 MH018931, T32-MH18931] Funding Source: Medline
- NINDS NIH HHS [R01 NS029926, R01 NS 29926] Funding Source: Medline
We used functional magnetic resonance imaging (fMRI) to identify brain regions involved in the process of mapping coherent discourse onto a developing mental representation. We manipulated discourse coherence by presenting sentences with definite articles (which lead to more coherent discourse) or indefinite articles (which lead to less coherent discourse). Comprehending connected discourse, compared with reading unrelated sentences, produced more neural activity in the right than left hemisphere of the frontal lobe. Thus, the right hemisphere of the frontal lobe is involved in some of the processes underlying mapping. In contrast, left-hemisphere structures were associated with lower-level processes in reading (such as word recognition and syntactic processing). Our results demonstrate the utility of using fMRI to investigate the neural substrates of higher-level cognitive processes such as discourse comprehension.
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