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Sustained neural rhythms reveal endogenous oscillations supporting speech perception ...
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The relationship between sentence comprehension and lexical-semantic retuning
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Sustained neural rhythms reveal endogenous oscillations supporting speech perception
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Sustained neural rhythms reveal endogenous oscillations supporting speech perception
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Abstract:
Rhythmic sensory or electrical stimulation will produce rhythmic brain responses. These rhythmic responses are often interpreted as endogenous neural oscillations aligned (or “entrained”) to the stimulus rhythm. However, stimulus-aligned brain responses can also be explained as a sequence of evoked responses, which only appear regular due to the rhythmicity of the stimulus, without necessarily involving underlying neural oscillations. To distinguish evoked responses from true oscillatory activity, we tested whether rhythmic stimulation produces oscillatory responses which continue after the end of the stimulus. Such sustained effects provide evidence for true involvement of neural oscillations. In Experiment 1, we found that rhythmic intelligible, but not unintelligible speech produces oscillatory responses in magnetoencephalography (MEG) which outlast the stimulus at parietal sensors. In Experiment 2, we found that transcranial alternating current stimulation (tACS) leads to rhythmic fluctuations in speech perception outcomes after the end of electrical stimulation. We further report that the phase relation between electroencephalography (EEG) responses and rhythmic intelligible speech can predict the tACS phase that leads to most accurate speech perception. Together, we provide fundamental results for several lines of research—including neural entrainment and tACS—and reveal endogenous neural oscillations as a key underlying principle for speech perception.
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URL: https://doi.org/10.1371/journal.pbio.3001142 http://sro.sussex.ac.uk/id/eprint/97382/1/SOHOGLU_PLOS_Biology_Feb_2021.pdf http://sro.sussex.ac.uk/id/eprint/97382/ http://sro.sussex.ac.uk/id/eprint/97382/4/journal.pbio.3001142.pdf
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Predictive neural computations support spoken word recognition: evidence from meg and competitor priming
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Rapid computations of spectrotemporal prediction error support perception of degraded speech
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In: eLife (2020)
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The neural time course of semantic ambiguity resolution in speech comprehension
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In: J Cogn Neurosci (2020)
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Three functions of prediction error for Bayesian inference in speech perception
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Rapid computations of spectrotemporal prediction error support perception of degraded speech
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Mapping visual symbols onto spoken language along the ventral visual stream
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The neural time course of semantic ambiguity resolution in speech comprehension
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Listeners and readers generalize their experience with word meanings across modalities
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Semantic and phonological schema influence spoken word learning and overnight consolidation
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Semantic and phonological schema influence spoken word learning and overnight consolidation
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Phase Entrainment of Brain Oscillations Causally Modulates Neural Responses to Intelligible Speech
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Semantic and phonological schema influence spoken word learning and overnight consolidation
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Listeners and readers generalise their experience with word meanings across modalities
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Accent modulates access to word meaning: Evidence for a speaker-model account of spoken word recognition
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Accent modulates access to word meaning: Evidence for a speaker-model account of spoken word recognition
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