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A wide variety of speech processing strategies for multichannel auditory prostheses were compared in studies of two patients implanted with the UCSF electrode array. Each strategy was evaluated using tests of vowel and consonant confusions, with and without lipreading. Included among the strategies were the compressed analog processor of the present… (More)
Auditory brainstem responses were recorded from an experimental group of 15 children with early histories of recurrent middle ear disease for the purpose of examining the effects of reduced auditory input on auditory brainstem function. The responses from these children were analyzed in terms of absolute latencies, interwave latencies and latency shifts… (More)
The purpose of this investigation was to describe the effects of rate of stimulus presentation on the brainstem electric response in groups selected as models for such brainstem disorders as demyelinating diseases and focal lesions. Two groups, infants and geriatric adults, were chosen as models because of their known neurological differences from a normal… (More)
ABR audiometry is now a widely used clinical procedure. Although the technique provides valuable information about peripheral hearing status and assists in the detection of a retrocochlear lesion, it possesses a number of pitfalls which may not be readily apparent. This report discusses some of the limitations and problem areas in ABR audiometry.
A weakness of auditory brainstem response (ABR) audiometry is the highly subjective manner in which the tracings are scored. This article describes a computerized scoring technique which was devised to reduce the subjective decision making in ABR test analysis. This correlation technique assumes only that the ABR, whatever its latency or waveform, will be… (More)
The acute effects of electroconvulsive therapy on brain stem auditory evoked potentials were investigated in 6 psychiatric inpatients. Even during the induced seizure, no significant effects were noted, a finding consistent with the stability of these far-field potentials.
The utilization of the latency of the brainstem auditory evoked response to estimate the status of high frequency hearing is rapidly becoming a part of the audiologist's clinical armamentarium. Because it is important to utilize the most efficient rate of stimulus presentation, the present investigation was undertaken to provide some initial latency… (More)
for their constructive suggestions on an earlier draft of this report. They bear no responsibility for remaining shortcomings. The views expressed in this discussion paper are those of the authors and are not necessarily those of the trustees, officers, or staff members of The Brookings Institution. ABSTRACT Single-mother families' success in moving from… (More)