ArticleNeuroImage2022
Brainstem speech encoding is dynamically shaped online by fluctuations in cortical α state.
Article in NeuroImage, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Event-Related Brain Potentials and Frequency-Following Response to Syllables in Newborns and Adults.The European journal of neuroscience · 2026Article
- Neural tracking of continuous speech reveals enhanced late responses to degraded speech.Frontiers in neuroscience · 2026Article
- Musicianship Modulates Cortical Effects of Attention on Processing Musical Triads.Brain sciences · 2024Article
- Short- and long-term neuroplasticity interact during the perceptual learning of concurrent speech.Cerebral cortex (New York, N.Y. : 1991) · 2024Article
- Myogenic artifacts masquerade as neuroplasticity in the auditory frequency-following response.Frontiers in neuroscience · 2024Article
- Duplex perception reveals brainstem auditory representations are modulated by listeners' ongoing percept for speech.Cerebral cortex (New York, N.Y. : 1991) · 2023Article
- Duplex perception reveals brainstem auditory representations are modulated by listeners' ongoing percept for speech.bioRxiv : the preprint server for biology · 2023Article
- Perceptual warping exposes categorical representations for speech in human brainstem responses.NeuroImage · 2023Article
- Cortical-brainstem interplay during speech perception in older adults with and without hearing loss.Frontiers in neuroscience · 2023Article
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Authors and funding
3 authors.
Funding
Abstract
Experimental evidence in animals demonstrates cortical neurons innervate subcortex bilaterally to tune brainstem auditory coding. Yet, the role of the descending (corticofugal) auditory system in modulating earlier sound processing in humans during speech perception remains unclear. Here, we measured EEG activity as listeners performed speech identification tasks in different noise backgrounds designed to tax perceptual and attentional processing. We hypothesized brainstem speech coding might be tied to attention and arousal states (indexed by cortical α power) that actively modulate the interplay of brainstem-cortical signal processing. When speech-evoked brainstem frequency-following responses (FFRs) were categorized according to cortical α states, we found low α FFRs in noise were weaker, correlated positively with behavioral response times, and were more "decodable" via neural classifiers. Our data provide new evidence for online corticofugal interplay in humans and establish that brainstem sensory representations are continuously yoked to (i.e., modulated by) the ebb and flow of cortical states to dynamically update perceptual processing.
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