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Speech motor facilitation is not affected by ageing but is modulated by task demands during speech perception
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Visual cues in adaptation to noise-vocoded speech (Trotter et al., 2021) ...
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Visual cues in adaptation to noise-vocoded speech (Trotter et al., 2021) ...
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The causal role of left and right superior temporal gyri in speech perception in noise:A Transcranial Magnetic Stimulation Study
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Effects of stimulus response compatibility on covert imitation of vowels
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Modulation of intra- and inter-hemispheric connectivity between primary and premotor cortex during speech perception
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Effects of stimulus response compatibility on covert imitation of vowels
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Transcranial magnetic stimulation and motor evoked potentials in speech perception research
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The role of hearing ability and speech distortion in the facilitation of articulatory motor cortex
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Vocal Tract Images Reveal Neural Representations of Sensorimotor Transformation During Speech Imitation
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The effect of speech distortion on the excitability of articulatory motor cortex
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Does musical enrichment enhance the neural coding of syllables?:neuroscientific interventions and the importance of behavioral data
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Does musical enrichment enhance the neural coding of syllables? Neuroscientific interventions and the importance of behavioral data
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The role of accent imitation in sensorimotor integration during processing of intelligible speech
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The role of accent imitation in sensorimotor integration during processing of intelligible speech
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Abstract:
Recent theories on how listeners maintain perceptual invariance despite variation in the speech signal allocate a prominent role to imitation mechanisms. Notably, these simulation accounts propose that motor mechanisms support perception of ambiguous or noisy signals. Indeed, imitation of ambiguous signals, e.g., accented speech, has been found to aid effective speech comprehension. Here, we explored the possibility that imitation in speech benefits perception by increasing activation in speech perception and production areas. Participants rated the intelligibility of sentences spoken in an unfamiliar accent of Dutch in a functional Magnetic Resonance Imaging experiment. Next, participants in one group repeated the sentences in their own accent, while a second group vocally imitated the accent. Finally, both groups rated the intelligibility of accented sentences in a post-test. The neuroimaging results showed an interaction between type of training and pre- and post-test sessions in left Inferior Frontal Gyrus, Supplementary Motor Area, and left Superior Temporal Sulcus. Although alternative explanations such as task engagement and fatigue need to be considered as well, the results suggest that imitation may aid effective speech comprehension by supporting sensorimotor integration.
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Keyword:
Neuroscience
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3789941 https://doi.org/10.3389/fnhum.2013.00634 http://www.ncbi.nlm.nih.gov/pubmed/24109447
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On-line plasticity in spoken sentence comprehension: Adapting to time-compressed speech
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