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Torben Ellegaard Lund

Language beyond the language system: Dorsal visuospatial pathways support processing of demonstratives and spatial language during naturalistic fast fMRI

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Language beyond the language system : Dorsal visuospatial pathways support processing of demonstratives and spatial language during naturalistic fast fMRI. / Rocca, Roberta; Coventry, Kenny R; Tylén, Kristian; Staib, Marlene; Lund, Torben E; Wallentin, Mikkel.

In: NeuroImage, Vol. 216, 116128, 2020.

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@article{519eba155ce8448abe82e1ba1aac97a5,
title = "Language beyond the language system: Dorsal visuospatial pathways support processing of demonstratives and spatial language during naturalistic fast fMRI",
abstract = "Spatial demonstratives are powerful linguistic tools used to establish joint attention. Identifying the meaning of semantically underspecified expressions like {"}this one{"} hinges on the integration of linguistic and visual cues, attentional orienting and pragmatic inference. This synergy between language and extralinguistic cognition is pivotal to language comprehension in general, but especially prominent in demonstratives. In this study, we aimed to elucidate which neural architectures enable this intertwining between language and extralinguistic cognition using a naturalistic fMRI paradigm. In our experiment, 28 participants listened to a specially crafted dialogical narrative with a controlled number of spatial demonstratives. A fast multiband-EPI acquisition sequence (TR = 388 m s) combined with finite impulse response (FIR) modelling of the hemodynamic response was used to capture signal changes at word-level resolution. We found that spatial demonstratives bilaterally engage a network of parietal areas, including the supramarginal gyrus, the angular gyrus, and precuneus, implicated in information integration and visuospatial processing. Moreover, demonstratives recruit frontal regions, including the right FEF, implicated in attentional orienting and reference frames shifts. Finally, using multivariate similarity analyses, we provide evidence for a general involvement of the dorsal ({"}where{"}) stream in the processing of spatial expressions, as opposed to ventral pathways encoding object semantics. Overall, our results suggest that language processing relies on a distributed architecture, recruiting neural resources for perception, attention, and extra-linguistic aspects of cognition in a dynamic and context-dependent fashion.",
keywords = "Dorsal stream, Naturalistic fMRI, Spatial cognition, Spatial demonstratives, Spatial language",
author = "Roberta Rocca and Coventry, {Kenny R} and Kristian Tyl{\'e}n and Marlene Staib and Lund, {Torben E} and Mikkel Wallentin",
note = "Copyright {\textcopyright} 2019. Published by Elsevier Inc.",
year = "2020",
doi = "10.1016/j.neuroimage.2019.116128",
language = "English",
volume = "216",
journal = "NeuroImage",
issn = "1053-8119",
publisher = "Elsevier BV",

}

RIS

TY - JOUR

T1 - Language beyond the language system

T2 - Dorsal visuospatial pathways support processing of demonstratives and spatial language during naturalistic fast fMRI

AU - Rocca, Roberta

AU - Coventry, Kenny R

AU - Tylén, Kristian

AU - Staib, Marlene

AU - Lund, Torben E

AU - Wallentin, Mikkel

N1 - Copyright © 2019. Published by Elsevier Inc.

PY - 2020

Y1 - 2020

N2 - Spatial demonstratives are powerful linguistic tools used to establish joint attention. Identifying the meaning of semantically underspecified expressions like "this one" hinges on the integration of linguistic and visual cues, attentional orienting and pragmatic inference. This synergy between language and extralinguistic cognition is pivotal to language comprehension in general, but especially prominent in demonstratives. In this study, we aimed to elucidate which neural architectures enable this intertwining between language and extralinguistic cognition using a naturalistic fMRI paradigm. In our experiment, 28 participants listened to a specially crafted dialogical narrative with a controlled number of spatial demonstratives. A fast multiband-EPI acquisition sequence (TR = 388 m s) combined with finite impulse response (FIR) modelling of the hemodynamic response was used to capture signal changes at word-level resolution. We found that spatial demonstratives bilaterally engage a network of parietal areas, including the supramarginal gyrus, the angular gyrus, and precuneus, implicated in information integration and visuospatial processing. Moreover, demonstratives recruit frontal regions, including the right FEF, implicated in attentional orienting and reference frames shifts. Finally, using multivariate similarity analyses, we provide evidence for a general involvement of the dorsal ("where") stream in the processing of spatial expressions, as opposed to ventral pathways encoding object semantics. Overall, our results suggest that language processing relies on a distributed architecture, recruiting neural resources for perception, attention, and extra-linguistic aspects of cognition in a dynamic and context-dependent fashion.

AB - Spatial demonstratives are powerful linguistic tools used to establish joint attention. Identifying the meaning of semantically underspecified expressions like "this one" hinges on the integration of linguistic and visual cues, attentional orienting and pragmatic inference. This synergy between language and extralinguistic cognition is pivotal to language comprehension in general, but especially prominent in demonstratives. In this study, we aimed to elucidate which neural architectures enable this intertwining between language and extralinguistic cognition using a naturalistic fMRI paradigm. In our experiment, 28 participants listened to a specially crafted dialogical narrative with a controlled number of spatial demonstratives. A fast multiband-EPI acquisition sequence (TR = 388 m s) combined with finite impulse response (FIR) modelling of the hemodynamic response was used to capture signal changes at word-level resolution. We found that spatial demonstratives bilaterally engage a network of parietal areas, including the supramarginal gyrus, the angular gyrus, and precuneus, implicated in information integration and visuospatial processing. Moreover, demonstratives recruit frontal regions, including the right FEF, implicated in attentional orienting and reference frames shifts. Finally, using multivariate similarity analyses, we provide evidence for a general involvement of the dorsal ("where") stream in the processing of spatial expressions, as opposed to ventral pathways encoding object semantics. Overall, our results suggest that language processing relies on a distributed architecture, recruiting neural resources for perception, attention, and extra-linguistic aspects of cognition in a dynamic and context-dependent fashion.

KW - Dorsal stream

KW - Naturalistic fMRI

KW - Spatial cognition

KW - Spatial demonstratives

KW - Spatial language

U2 - 10.1016/j.neuroimage.2019.116128

DO - 10.1016/j.neuroimage.2019.116128

M3 - Journal article

C2 - 31473349

VL - 216

JO - NeuroImage

JF - NeuroImage

SN - 1053-8119

M1 - 116128

ER -