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Updated: Aug 29, 2025

Stimulating the Lip Motor Cortex with Transcranial Magnetic Stimulation
Published on: June 14, 2014
Predictive and perceptual phonemic processing in articulatory motor areas: A prediction potential & mismatch
Luigi Grisoni1, Friedemann Pulvermüller2
1Freie Universität Berlin, Brain Language Laboratory, Department of Philosophy and Humanities, Berlin, Germany; Cluster of Excellence 'Matters of Activity. Image Space Material', Humboldt Universität zu Berlin, Berlin, Germany.
Abstract:
The recent finding of predictive brain signals preceding anticipated perceptual and linguistic stimuli opens new questions for experimental research. Here, we address the possible brain basis of phonological predictions regarding the features of specific speech sounds and their relationship to phonological priming. To this end, we recorded EEG correlates of both pre- and post-stimulus brain responses in a phonological priming study. Redundant spoken sounds induced stimulus expectations, which manifested as a slow-wave anticipatory activity (the Prediction Potential, PP), whereas articulatory-congruent (e.g.,/bƏ/in the context of expected/pƏ/) pairs elicited weaker post-stimulus MMN-like responses as compared to the articulatory-incongruent (e.g.,/bƏ/in the context of expected/dƏ/) pairs, a pattern reminiscent of perceptual priming mediated by articulatory-motor areas. Source analysis reveal clusters of activation in lateral prefrontal, temporal and ventral motor areas, thus providing the proof of the relevance of multimodal representation units subserving predictive and perceptual phonemic processing.
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