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- W4292824725 endingPage "100052" @default.
- W4292824725 startingPage "100052" @default.
- W4292824725 abstract "The current study examined the neural mechanisms for mental effort and its correlation to speech perception using functional near-infrared spectroscopy (fNIRS) in listeners with normal hearing (NH). Data were collected while participants listened and responded to unprocessed and degraded sentences, where words were presented in grammatically correct or shuffled order. Effortful listening and task difficulty due to stimulus manipulations was confirmed using a subjective questionnaire and a well-established objective measure of mental effort - pupillometry. fNIRS measures focused on cortical responses in two a priori regions of interest, the left auditory cortex (AC) and lateral frontal cortex (LFC), which are closely related to auditory speech perception and listening effort, respectively. We examined the relations between the two objective measures and behavioral measures of speech perception (task performance) and task difficulty.demonstrated that changes in pupil dilation were positively correlated with the self-reported task difficulty levels and negatively correlated with the task performance scores. A significant and negative correlation between the two behavioral measures was also found. That is, as perceived task demands increased and task performance scores decreased, pupils dilated more. fNIRS measures (cerebral oxygenation) in the left AC and LFC were both negatively correlated with the self-reported task difficulty levels and positively correlated with task performance scores. These results suggest that pupillometry measures can indicate task demands and listening effort; whereas, fNIRS measures using a similar paradigm seem to reflect speech processing, but not effort." @default.
- W4292824725 created "2022-08-24" @default.
- W4292824725 creator A5006277770 @default.
- W4292824725 creator A5047335748 @default.
- W4292824725 creator A5057383011 @default.
- W4292824725 creator A5084104384 @default.
- W4292824725 date "2022-01-01" @default.
- W4292824725 modified "2023-10-04" @default.
- W4292824725 title "Investigating effortful speech perception using fNIRS and pupillometry measures" @default.
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- W4292824725 doi "https://doi.org/10.1016/j.crneur.2022.100052" @default.
- W4292824725 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36518346" @default.
- W4292824725 hasPublicationYear "2022" @default.