ERIC Number: EJ1126539
Record Type: Journal
Publication Date: 2017-Jan
Abstractor: As Provided
The Effects of Directional Processing on Objective and Subjective Listening Effort
Picou, Erin M.; Moore, Travis M.; Ricketts, Todd A.
Journal of Speech, Language, and Hearing Research, v60 n1 p199-211 Jan 2017
Purpose: The purposes of this investigation were (a) to evaluate the effects of hearing aid directional processing on subjective and objective listening effort and (b) to investigate the potential relationships between subjective and objective measures of effort. Method: Sixteen adults with mild to severe hearing loss were tested with study hearing aids programmed with 3 settings: omnidirectional, fixed directional, and bilateral beamformer. A dual-task paradigm and subjective ratings were used to assess objective and subjective listening effort, respectively, in 2 signal-to-noise ratios. Testing occurred in rooms with either low or moderate reverberation. Results: Directional processing improved subjective and objective listening effort, although benefit for objective effort was found only in moderate reverberation. Subjective reports of work and tiredness were more highly correlated with word recognition performance than objective listening effort. However, subjective ratings about control were significantly correlated with objective listening effort. Conclusions: Directional microphone technology in hearing aids has the potential to improve listening effort in moderately reverberant environments. In addition, subjective questions that probe a listener's desire to exercise control may be a viable method for eliciting ratings that are significantly related to objective listening effort.
Descriptors: Listening Skills, Language Processing, Assistive Technology, Hearing Impairments, Testing, Correlation, Word Recognition
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Authoring Institution: N/A
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