Phase Locking, Speech Perception In Noise, and Cognition In Tinnitus Patients With Normal Hearing
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View abstract on PubMed
Summary
This summary is machine-generated.Tinnitus impacts extended high-frequency (EHF) hearing, temporal fine structure (TFS) sensitivity, and speech perception in noise (SPiN). EHF hearing loss is a key factor affecting these abilities and cognitive functions like memory.
Area Of Science
- Audiology
- Neuroscience
- Cognitive Science
Background
- Tinnitus, often associated with hearing loss, can affect auditory processing and cognitive functions.
- Extended high-frequency (EHF) hearing and temporal fine structure (TFS) sensitivity are crucial for understanding complex auditory information.
- The impact of tinnitus on these specific auditory functions and cognitive abilities in individuals with normal audiometric thresholds requires further investigation.
Purpose Of The Study
- To evaluate the effects of tinnitus on EHF hearing thresholds, TFS sensitivity, speech perception in noise (SPiN), and cognitive functions in individuals with normal hearing.
- To explore the relationship between tinnitus, EHF hearing loss, and central auditory processing.
- To determine if TFS sensitivity influences SPiN performance independently of EHF hearing loss.
Main Methods
- A cohort of 40 participants, including 19 with tinnitus and normal hearing, and 21 controls, were assessed.
- Evaluations included EHF audiometry, TFS sensitivity testing (TFS-AF), SPiN assessment (Turkish Matrix Test), and cognitive function tests (RAVLT).
Main Results
- Tinnitus patients exhibited significantly reduced TFS sensitivity, poorer SPiN performance, and lower scores in learning and memory recall (RAVLT).
- Higher EHF hearing thresholds were observed in the tinnitus group and correlated negatively with TFS sensitivity.
- TFS sensitivity remained a significant predictor of SPiN performance even after accounting for EHF hearing loss.
Conclusions
- Tinnitus is associated with impaired EHF hearing, reduced TFS sensitivity, diminished SPiN abilities, and cognitive deficits in learning and memory.
- EHF hearing loss plays a significant role in these auditory and cognitive impairments.
- TFS sensitivity is independently linked to SPiN performance in tinnitus patients, suggesting a role in central auditory processing.
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