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Attention to Speech and Music in Young Children with Bilateral Cochlear Implants: A Pupillometry Study
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In: Journal of Clinical Medicine; Volume 11; Issue 6; Pages: 1745 (2022)
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Arousal States as a Key Source of Variability in Speech Perception and Learning
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In: Languages; Volume 7; Issue 1; Pages: 19 (2022)
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Abstract:
The human brain exhibits the remarkable ability to categorize speech sounds into distinct, meaningful percepts, even in challenging tasks like learning non-native speech categories in adulthood and hearing speech in noisy listening conditions. In these scenarios, there is substantial variability in perception and behavior, both across individual listeners and individual trials. While there has been extensive work characterizing stimulus-related and contextual factors that contribute to variability, recent advances in neuroscience are beginning to shed light on another potential source of variability that has not been explored in speech processing. Specifically, there are task-independent, moment-to-moment variations in neural activity in broadly-distributed cortical and subcortical networks that affect how a stimulus is perceived on a trial-by-trial basis. In this review, we discuss factors that affect speech sound learning and moment-to-moment variability in perception, particularly arousal states—neurotransmitter-dependent modulations of cortical activity. We propose that a more complete model of speech perception and learning should incorporate subcortically-mediated arousal states that alter behavior in ways that are distinct from, yet complementary to, top-down cognitive modulations. Finally, we discuss a novel neuromodulation technique, transcutaneous auricular vagus nerve stimulation (taVNS), which is particularly well-suited to investigating causal relationships between arousal mechanisms and performance in a variety of perceptual tasks. Together, these approaches provide novel testable hypotheses for explaining variability in classically challenging tasks, including non-native speech sound learning.
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Keyword:
arousal; neuromodulation; pupillometry; second language acquisition; speech perception; transcutaneous auricular vagus nerve stimulation
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URL: https://doi.org/10.3390/languages7010019
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Increased Pupil Size during Future Thinking in a Subject with Retrograde Amnesia
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In: Brain Sciences; Volume 12; Issue 1; Pages: 115 (2022)
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The bilingual native speaker competence: evidence from explicit and implicit language knowledge using elicited production, sentence-picture matching, and pupillometry ...
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Auditory distraction while reading in different languages ...
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Does it help to see the speaker’s lip movements? : an investigation of cognitive load and mental effort in simultaneous interpreting ...
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Interdisciplinary Approaches to the Study of Listening Effort in Young Children with Cochlear Implants
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In: Audiology Research; Volume 12; Issue 1; Pages: 1-9 (2021)
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The bilingual native speaker competence: evidence from explicit and implicit language knowledge using elicited production, sentence-picture matching, and pupillometry
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PsPM-EWO: Eye tracker (including pupillometry) measurements from emotional-words tasks ...
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PsPM-EWO: Eye tracker (including pupillometry) measurements from emotional-words tasks ...
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Auditory- Perceptual and Pupillometric Evaluations of Dysphonic Voices
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In: Electronic Thesis and Dissertation Repository (2020)
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Pupil Dilation Is Sensitive to Semantic Ambiguity and Acoustic Degradation
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In: Brain and Mind Institute Researchers' Publications (2020)
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Pupillometry as a Window on the Role of Motionese in Infants’ Processing of Dynamic Activity
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Variability in Sentence Comprehension Performance in People with and without Aphasia: A Pupillometric and Behavioral Study of the Influence of Memory and Attention
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In: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1564578298370513 (2019)
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The effect of phonological-orthographic consistency and phonetic reduction in spoken word recognition: Data and supplementary material
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Differences in Working Memory Capacity Affect Online Spoken Word Recognition: Evidence From Eye Movements
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Using Pupillometry to Index Cognitive Effort in Sentence Processing in People With and Without Aphasia
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In: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1518793884170866 (2018)
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Pupil Responses of Adults With Traumatic Brain Injury During Processing of Speech in Noise
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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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Pupillometry Reveals That Context Benefit in Speech Perception Can Be Disrupted by Later-Occurring Sounds, Especially in Listeners With Cochlear Implants
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