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Three New Outcome Measures That Tap Into Cognitive Processes Required for Real-Life Communication
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In: Ear Hear (2020)
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Relations Between Self-Reported Daily-Life Fatigue, Hearing Status, and Pupil Dilation During a Speech Perception in Noise Task
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In: Ear Hear (2018)
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The Pupil Dilation Response During Speech Perception in Dark and Light: The Involvement of the Parasympathetic Nervous System in Listening Effort
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Relations between self-reported daily-life fatigue, hearing status and pupil dilation during a speech perception in noise task
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Relations between self-reported daily-life fatigue, hearing status, and pupil dilation during a speech perception in noise task
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Impact of stimulus-related factors and hearing impairment on listening effort as indicated by pupil dilation
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Impact of Background Noise and Sentence Complexity on Processing Demands during Sentence Comprehension
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Abstract:
Speech comprehension in adverse listening conditions can be effortful even when speech is fully intelligible. Acoustical distortions typically make speech comprehension more effortful, but effort also depends on linguistic aspects of the speech signal, such as its syntactic complexity. In the present study, pupil dilations, and subjective effort ratings were recorded in 20 normal-hearing participants while performing a sentence comprehension task. The sentences were either syntactically simple (subject-first sentence structure) or complex (object-first sentence structure) and were presented in two levels of background noise both corresponding to high intelligibility. A digit span and a reading span test were used to assess individual differences in the participants’ working memory capacity (WMC). The results showed that the subjectively rated effort was mostly affected by the noise level and less by syntactic complexity. Conversely, pupil dilations increased with syntactic complexity but only showed a small effect of the noise level. Participants with higher WMC showed increased pupil responses in the higher-level noise condition but rated sentence comprehension as being less effortful compared to participants with lower WMC. Overall, the results demonstrate that pupil dilations and subjectively rated effort represent different aspects of effort. Furthermore, the results indicate that effort can vary in situations with high speech intelligibility.
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Keyword:
Psychology
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4785151/ https://doi.org/10.3389/fpsyg.2016.00345
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How Hearing Impairment Affects Sentence Comprehension: Using Eye Fixations to Investigate the Duration of Speech Processing
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An Eye-Tracking Paradigm for Analyzing the Processing Time of Sentences with Different Linguistic Complexities
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Characterizing sensory and cognitive factors of human speech processing through eye movements
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