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You talkin' to me? Communicative talker gaze activates left-lateralized superior temporal cortex during perception of degraded speech
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Cohesion and joint speech: right hemisphere contributions to synchronized vocal production
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Getting the Cocktail Party Started: Masking Effects in Speech Perception
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Do sentences with unaccusative verbs involve syntactic movement? Evidence from neuroimaging
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Articulatory movements modulate auditory responses to speech
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An application of univariate and multivariate approaches in FMRI to quantifying the hemispheric lateralization of acoustic and linguistic processes
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Discriminating between auditory and motor cortical responses to speech and non-speech mouth sounds
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Abstract:
Several perspectives on speech perception posit a central role for the representation of articulations in speech comprehension, supported by evidence for premotor activation when participants listen to speech. However no experiments have directly tested whether motor responses mirror the profile of selective auditory cortical responses to native speech sounds, or whether motor and auditory areas respond in different ways to sounds. We used fMRI to investigate cortical responses to speech and non-speech mouth (ingressive click) sounds. Speech sounds activated bilateral superior temporal gyri more than other sounds, a profile not seen in motor and premotor cortices. These results suggest that there are qualitative differences in the ways that temporal and motor areas are activated by speech and click sounds: anterior temporal lobe areas are sensitive to the acoustic/phonetic properties while motor responses may show more generalised responses to the acoustic stimuli.
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Keyword:
Article
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URL: https://doi.org/10.1162/jocn_a_00106 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3361723 http://www.ncbi.nlm.nih.gov/pubmed/21812557
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