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- W2049062368 abstract "Purpose This study investigated the network of brain regions involved in overt production of vowels, monosyllables, and bisyllables to test hypotheses derived from the Directions Into Velocities of Articulators (DIVA) model of speech production (Guenther, Ghosh, & Tourville, 2006). The DIVA model predicts left lateralized activity in inferior frontal cortex when producing a single syllable or phoneme and increased cerebellar activity for consonant–vowel syllables compared with steady-state vowels. Method Sparse sampling functional magnetic resonance imaging (fMRI) was used to collect data from 10 right-handed speakers of American English while producing isolated monosyllables (e.g., “ba,” “oo”). Data were analyzed using both voxel-based and participant-specific anatomical region-of-interest–based techniques. Results Overt production of single monosyllables activated a network of brain regions, including left ventral premotor cortex, left posterior inferior frontal gyrus, bilateral supplementary motor area, sensorimotor cortex, auditory cortex, thalamus, and cerebellum. Paravermal cerebellum showed greater activity for consonant-vowel syllables compared to vowels. Conclusions The finding of left-lateralized premotor cortex activity supports the DIVA model prediction that this area contains cell populations representing syllable motor programs without regard for semantic content. Furthermore, the superior paravermal cerebellum is more active for consonant–vowel syllables compared with vowels, perhaps due to increased timing constraints for consonant production." @default.
- W2049062368 created "2016-06-24" @default.
- W2049062368 creator A5025328957 @default.
- W2049062368 creator A5045455853 @default.
- W2049062368 creator A5051194003 @default.
- W2049062368 date "2008-10-01" @default.
- W2049062368 modified "2023-10-01" @default.
- W2049062368 title "A Neuroimaging Study of Premotor Lateralization and Cerebellar Involvement in the Production of Phonemes and Syllables" @default.
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- W2049062368 doi "https://doi.org/10.1044/1092-4388(2008/07-0119)" @default.
- W2049062368 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/2652040" @default.
- W2049062368 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/18664692" @default.
- W2049062368 hasPublicationYear "2008" @default.
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