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Localising memory retrieval and syntactic composition: an fMRI study of naturalistic language comprehension

This study examines memory retrieval and syntactic composition using fMRI while participants listen to a book, The Little Prince . These two processes are quantified drawing on methods from computational linguistics. Memory retrieval is quantified via multi-word expressions that are likely to be sto...

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Bibliographic Details
Published in:Language, cognition and neuroscience cognition and neuroscience, 2019-04, Vol.34 (4), p.491-510
Main Authors: Bhattasali, Shohini, Fabre, Murielle, Luh, Wen-Ming, Al Saied, Hazem, Constant, Mathieu, Pallier, Christophe, Brennan, Jonathan R., Spreng, R. Nathan, Hale, John
Format: Article
Language:English
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Summary:This study examines memory retrieval and syntactic composition using fMRI while participants listen to a book, The Little Prince . These two processes are quantified drawing on methods from computational linguistics. Memory retrieval is quantified via multi-word expressions that are likely to be stored as a unit, rather than built-up compositionally. Syntactic composition is quantified via bottom-up parsing that tracks tree-building work needed in composed syntactic phrases. Regression analyses localise these to spatially-distinct brain regions. Composition mainly correlates with bilateral activity in anterior temporal lobe and inferior frontal gyrus. Retrieval of stored expressions drives right-lateralised activation in the precuneus. Less cohesive expressions activate well-known nodes of the language network implicated in composition. These results help to detail the neuroanatomical bases of two widely-assumed cognitive operations in language processing.
ISSN:2327-3798
2327-3801
DOI:10.1080/23273798.2018.1518533