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Updated: Jul 19, 2026

An Automated System for Sound Localization Testing in Hearing-Impaired Listeners
Published on: March 13, 2026
The need for and development of an adaptive Listening and Communication Enhancement (LACE) Program
Robert W Sweetow1, Jennifer Henderson Sabes
1Department of Otolaryngology, University of California, San Francisco, USA. robert.sweetow@ucsfmedctr.org
Abstract:
Auditory training has long been advocated to enhance communication but has never been time or cost-effective. This article describes the concepts underlying the development of a home-based, interactive adaptive computer program designed to engage the adult hearing-impaired listener in the hearing-aid-fitting process, provide listening strategies, build confidence, and address cognitive changes characteristic of the aging process. An investigation using a between-group, within-subject design with pre- and post-test objective and subjective measures was conducted at five clinical sites. Sixty-five subjects were randomly placed into two groups, one receiving LACE (Listening and Communication Enhancement) immediately following baseline testing and one serving as a control for one month and then receiving training as a crossover group. Results showed statistically significant improvements for the trained subjects on all but one of the outcome measures. Barriers facing the widespread implementation of home-based aural rehabilitation are discussed.
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