ArticleCerebral cortex (New York, N.Y. : 1991)2023
Role of articulatory motor networks in perceptual categorization of speech signals: a 7T fMRI study.
Article in Cerebral cortex (New York, N.Y. : 1991), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Phonological Representations of Auditory and Visual Speech in the Occipito-temporal Cortex and Beyond.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- Anatomically distinct cortical tracking of music and speech by slow (1-8Hz) and fast (70-120Hz) oscillatory activity.PloS one · 2025Article
- Left motor cortex contributes to auditory phonological discrimination.Cerebral cortex (New York, N.Y. : 1991) · 2024Article
- Long-lasting negativity in the left motoric brain structures during word memory inhibition in the Think/No-Think paradigm.Scientific reports · 2024Article
- Individualized white matter connectivity of the articulatory pathway: An ultra-high field study.Brain and language · 2024Article
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Abstract
Speech and language processing involve complex interactions between cortical areas necessary for articulatory movements and auditory perception and a range of areas through which these are connected and interact. Despite their fundamental importance, the precise mechanisms underlying these processes are not fully elucidated. We measured BOLD signals from normal hearing participants using high-field 7 Tesla fMRI with 1-mm isotropic voxel resolution. The subjects performed 2 speech perception tasks (discrimination and classification) and a speech production task during the scan. By employing univariate and multivariate pattern analyses, we identified the neural signatures associated with speech production and perception. The left precentral, premotor, and inferior frontal cortex regions showed significant activations that correlated with phoneme category variability during perceptual discrimination tasks. In addition, the perceived sound categories could be decoded from signals in a region of interest defined based on activation related to production task. The results support the hypothesis that articulatory motor networks in the left hemisphere, typically associated with speech production, may also play a critical role in the perceptual categorization of syllables. The study provides valuable insights into the intricate neural mechanisms that underlie speech processing.
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