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Training to Improve Hearing Speech in Noise: Biological Mechanisms
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Musicians have fine-tuned neural distinction of speech syllables
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44 |
Training to Improve Hearing Speech in Noise: Biological Mechanisms
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Subcortical encoding of sound is enhanced in bilinguals and relates to executive function advantages
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46 |
Assistive listening devices drive neuroplasticity in children with dyslexia
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Cross-phaseogram: Objective neural index of speech sound differentiation
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48 |
Training to Improve Hearing Speech in Noise: Biological Mechanisms
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Musical Experience and the Aging Auditory System: Implications for Cognitive Abilities and Hearing Speech in Noise
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Inferior colliculus contributions to phase encoding of stop consonants in an animal model
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51 |
Brainstem Correlates of Speech-in-Noise Perception in Children
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52 |
RAPID ACOUSTIC PROCESSING IN THE AUDITORY BRAINSTEM IS NOT RELATED TO CORTICAL ASYMMETRY FOR THE SYLLABLE RATE OF SPEECH
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Perception of Speech in Noise: Neural Correlates
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Abstract:
The presence of irrelevant auditory information (other talkers, environmental noises) presents a major challenge to listening to speech. The fundamental frequency (F0) of the target speaker is thought to provide an important cue for the extraction of the speaker’s voice from background noise, but little is known about the relationship between speech-in-noise (SIN) perceptual ability and neural encoding of the F0. Motivated by recent findings that music and language experience enhance brainstem representation of sound, we examined the hypothesis that brainstem encoding of the F0 is diminished to a greater degree by background noise in people with poorer perceptual abilities in noise. To this end, we measured speech-evoked auditory brainstem responses to /da/ in quiet and two multi-talker babble conditions (two-talker and six-talker) in native English-speaking young adults who ranged in their ability to perceive and recall SIN. Listeners who were poorer performers on a standardized SIN measure demonstrated greater susceptibility to the degradative effects of noise on the neural encoding of the F0. Particularly diminished was their phase-locked activity to the fundamental frequency in the portion of the syllable known to be most vulnerable to perceptual disruption (i.e., the formant transition period). Our findings suggest that the subcortical representation of the F0 in noise contributes to the perception of speech in noisy conditions.
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Article
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URL: https://doi.org/10.1162/jocn.2010.21556 http://www.ncbi.nlm.nih.gov/pubmed/20681749 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3253852
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54 |
Stimulus Rate and Subcortical Auditory Processing of Speech
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Auditory brainstem measures predict reading and speech-in-noise perception in school-aged children
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59 |
Musical Experience Limits the Degradative Effects of Background Noise on the Neural Processing of Sound
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Context-dependent encoding in the human auditory brainstem relates to hearing speech in noise: Implications for developmental dyslexia
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