2007, English, Article edition: Cerebral correlates of multimodal pointing: An fmri study of prosodic focus, syntactic extraction, digital- and ocular- pointing Loevenbruck, Hélène; Vilain, Coriandre; Carota, Francesca; ...

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Physical Description
  • text
Published
  • HAL - CCSD
  • 2007
Language
  • English

Edition details

Title
  • Cerebral correlates of multimodal pointing: An fmri study of prosodic focus, syntactic extraction, digital- and ocular- pointing
Author
  • Loevenbruck, Hélène
  • Vilain, Coriandre
  • Carota, Francesca
  • Baciu, Monica
  • Abry, Christian
  • Lamalle, Laurent
  • Pichat, Cédric
  • Segebarth, Christoph
Published
  • HAL - CCSD
  • 2007
Physical Description
  • text
Subjects
Notes
  • Deixis or pointing plays a crucial role in language acquisition and speech communication and can be conveyed in several modalities. The aim of this paper is to explore the cerebral substrate of multimodal pointing actions. We present an fMRI study of pointing including: 1) index finger pointing, 2) eye pointing, 3) prosodic focus production, 4) syntactic extraction (during speech production). Fifteen subjects were examined while they gave digital, ocular and oral responses inside the 3T imager. Results of a random effect group analysis show that digital and prosodic pointings recruit the parietal lobe bilaterally, while ocular and syntactic pointings do not. A grammaticalization process is suggested to explain the lack of parietal activation in the syntactic condition. Further analyses are carried out on the link between digital and prosodic parietal activations.
  • HAL:hal-00275718, version 1
  • HAL:http:/​/​hal.archives-ouvertes.fr/​hal-00275718/​en/​
Language
  • English
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