Motor response selection in overt sentence production: a functional MRI study

Pascale Tremblay, Steven L. Small

Research output: Contribution to journalArticle

26 Scopus citations

Abstract

Many different cortical areas are thought to be involved in the process of selecting motor responses, from the inferior frontal gyrus, to the lateral and medial parts of the premotor cortex. The objective of the present study was to examine the neural underpinnings of motor response selection in a set of overt language production tasks.To this aim, we compared a sentence repetition task (externally constrained selection task) with a sentence generation task (volitional selection task) in a group of healthy adults. In general, the results clarify the contribution of the pre-SMA, cingulate areas, PMv, and pars triangularis to the process of selecting motor responses in the context of sentence production, and shed light on the manner in which this network is modulated by selection mode. Further, the present study suggests that response selection in sentence production engages neural resources similar to those engaged in the production of isolated words and oral motor gestures.

Original languageEnglish (US)
Article numberArticle 253
JournalFrontiers in Psychology
Volume2
Issue numberSEP
DOIs
StatePublished - 2011
Externally publishedYes

Keywords

  • Premotor cortex
  • Response competition
  • Sentence generation
  • Spoken
  • Supplementary motor area

ASJC Scopus subject areas

  • Psychology(all)

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