The relationship between auditory brainstem responses, cognitive ability, and speech-in-noise perception among young adults with normal hearing thresholds
IF 2.5 2区 医学Q1 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY
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引用次数: 0
Abstract
The goal of this research was to determine the contributions of auditory neural processing and cognitive abilities to predict performance on a speech-in-noise perception task in young, normal hearing adults. Two experiments were performed, each with separate cohorts of ∼30 young adults with normal hearing who performed a competing talker task which included a high-pass filtered condition that was designed to be more sensitive to auditory nerve functioning than are commonly used speech-in-noise perception tests. Predictors of performance on this competing talker task included ABR waves I and V metrics and cognitive test scores. Experiment one included click ABRs at a moderate level commensurate with the level of the competing talker task, as well as the cognitive digit span working memory test. Experiment two included high-intensity click clinical ABRs and three cognitive tests from the NIH Toolbox V3 that assessed working memory, cognitive flexibility and attention, and inhibitory control: List Sorting Working Memory, Dimensional Change Card Sort, and Flanker Inhibitory Control and Attention tests, respectively. Performance on the high-pass filtered competing talker task varied across participants in both experiments. This variability was predicted by performance on the test of inhibitory control, but not the tests involving working memory or cognitive flexibility, nor by any of the auditory processing metrics from moderate or high-intensity click ABRs. Among two groups of young adults with normal hearing, cognitive factors with very similar demands to the competing talker task seem to play the greatest role in speech-in-noise perception.
期刊介绍:
The aim of the journal is to provide a forum for papers concerned with basic peripheral and central auditory mechanisms. Emphasis is on experimental and clinical studies, but theoretical and methodological papers will also be considered. The journal publishes original research papers, review and mini- review articles, rapid communications, method/protocol and perspective articles.
Papers submitted should deal with auditory anatomy, physiology, psychophysics, imaging, modeling and behavioural studies in animals and humans, as well as hearing aids and cochlear implants. Papers dealing with the vestibular system are also considered for publication. Papers on comparative aspects of hearing and on effects of drugs and environmental contaminants on hearing function will also be considered. Clinical papers will be accepted when they contribute to the understanding of normal and pathological hearing functions.