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- W3217011423 endingPage "303" @default.
- W3217011423 startingPage "291" @default.
- W3217011423 abstract "Sensorimotor brain areas have been implicated in the recognition of emotion expressed on the face and through nonverbal vocalizations. However, no previous study has assessed whether sensorimotor cortices are recruited during the perception of emotion in speech-a signal that includes both audio (speech sounds) and visual (facial speech movements) components. To address this gap in the literature, we recruited 24 participants to listen to speech clips produced in a way that was either happy, sad, or neutral in expression. These stimuli also were presented in one of three modalities: audio-only (hearing the voice but not seeing the face), video-only (seeing the face but not hearing the voice), or audiovisual. Brain activity was recorded using electroencephalography, subjected to independent component analysis, and source-localized. We found that the left presupplementary motor area was more active in response to happy and sad stimuli than neutral stimuli, as indexed by greater mu event-related desynchronization. This effect did not differ by the sensory modality of the stimuli. Activity levels in other sensorimotor brain areas did not differ by emotion, although they were greatest in response to visual-only and audiovisual stimuli. One possible explanation for the pre-SMA result is that this brain area may actively support speech emotion recognition by using our extensive experience expressing emotion to generate sensory predictions that in turn guide our perception." @default.
- W3217011423 created "2021-12-06" @default.
- W3217011423 creator A5015858846 @default.
- W3217011423 creator A5025551974 @default.
- W3217011423 creator A5054932190 @default.
- W3217011423 date "2021-11-22" @default.
- W3217011423 modified "2023-09-27" @default.
- W3217011423 title "Audio and visual speech emotion activate the left pre-supplementary motor area" @default.
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