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.
The results suggest that use of acoustic stimuli, particularly fractal tones, delivered though hearing aids can provide amplification while allowing for relief for some tinnitus sufferers. It is important to recognize, however, that tinnitus management procedures need to be supplemented with appropriate counseling.
Survivors need to be evaluated for these neurotoxicities and receive appropriate interventions. Referrals to audiologists and physical therapists are warranted to improve survivors' hearing ability, functional status, and QOL.
Only a small portion of audiologists (fewer than 10%) offer auditory training to patients with hearing impairment, even though auditory training appears to lower the rate of hearing aid returns for credit. Patients to whom auditory training programs are recommended often do not complete the training, however. Compliance for a cohort of home-based auditory therapy trainees was less than 30%. Activities to increase patient compliance to auditory training protocols are proposed.
The level of interest in aural rehabilitation has increased recently, both in clinical use and in research presentations and publications. Advances in aural rehabilitation have seen previous techniques such as speech tracking and analytic auditory training reappear in computerized forms. These new delivery methods allow for a consistent, cost-effective, and convenient training program. Several computerized aural rehabilitation programs for hearing aid wearers and cochlear implant recipients have recently been developed and were reported on at the 2006 State of the Science Conference of the Rehabilitation Engineering Research Center on Hearing Enhancement at Gallaudet University. This article reviews these programs and outlines the similarities and differences in their design. Another promising area of aural rehabilitation research is the use of pharmaceuticals in the rehabilitation process. The results from a study of the effect of d-amphetamine in conjunction with intensive aural rehabilitation with cochlear implant patients are also described.
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