Neural Correlates of Bridging Inferences and Coherence Processing
- Authors
- Kim, Sung-il; Yoon, Misun; Kim, Wonsik; Lee, Sunyoung; Kang, Eunjoo
- Issue Date
- 8월-2012
- Publisher
- SPRINGER/PLENUM PUBLISHERS
- Keywords
- Bridging inference; Coherence processing; Story comprehension; Positron Emission Tomography (PET); Dorsomedial prefrontal cortex (dmPFC); Middle temporal gyrus
- Citation
- JOURNAL OF PSYCHOLINGUISTIC RESEARCH, v.41, no.4, pp.311 - 321
- Indexed
- SSCI
SCOPUS
- Journal Title
- JOURNAL OF PSYCHOLINGUISTIC RESEARCH
- Volume
- 41
- Number
- 4
- Start Page
- 311
- End Page
- 321
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/107871
- DOI
- 10.1007/s10936-011-9185-z
- ISSN
- 0090-6905
- Abstract
- We explored the neural correlates of bridging inferences and coherence processing during story comprehension using Positron Emission Tomography (PET). Ten healthy right-handed volunteers were visually presented three types of stories (Strong Coherence, Weak Coherence, and Control) consisted of three sentences. The causal connectedness among sentences in the Strong Coherence story was strong that readers would not have to generate bridging inferences, whereas the causal antecedent of the last sentence in the Weak Coherence story was not explicitly stated so that readers should draw bridging inferences to fill the gap between sentences. It was found that the left middle temporal gyrus was activated while participants read the Weak Coherence stories. In contrast, the dorsomedial prefrontal cortex (dmPFC) and posterior cingulate cortex were activated only in the Strong Coherence condition. This suggests that the dmPFC was involved in coherence processing whereas bridging inference was mediated by the left middle temporal gyrus. It was also found that anterior temporal pole and the temporo-parietal junction mediated general semantic processing.
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