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. 2015 May-Jun;36(3):377-9.
doi: 10.1097/AUD.0000000000000124.

The electrically evoked cortical auditory event-related potential in children with auditory brainstem implants

Shuman He  1 , Holly F B Teagle, Matthew Ewend, Lillian Henderson, Craig A Buchman
Affiliations

The electrically evoked cortical auditory event-related potential in children with auditory brainstem implants

Shuman He et al. Ear Hear. 2015 May-Jun.

Abstract

Objective: This study explored the feasibility of measuring electrically evoked cortical auditory event-related potentials (eERPs) in children with auditory brainstem implants (ABIs).

Design: Five children with unilateral ABIs ranging in age from 2.8 to 10.2 years (mean: 5.2 years) participated in this study. The stimulus was a 100-msec biphasic pulse train that was delivered to individual electrodes in a monopolar stimulation mode. Electrophysiological recordings of the onset eERP were conducted in all subjects.

Results: The onset eERP was recorded in four subjects who demonstrated auditory perception. These eERP responses showed variations in waveform morphology across subjects and stimulating electrode locations. No eERPs were observed in one subject who received no auditory sensation from ABI stimulation.

Conclusions: eERPs can be recorded in children with ABIs who develop auditory perception. The morphology of the eERP can vary across subjects and also across stimulating electrode locations within subjects.

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Conflict of interest statement

Conflict of Interest: Craig A. Buchman is a member of Cochlear Corp. Surgeon’s Advisory Board and Holly F.B. Teagle is a member of a Cochlear Corp. Audiology Advisory Board. For the remaining authors, none were declared.

Figures

Figure 1
Figure 1
The Type I eERP recorded in subjects S1, S2 and S4. Black dashed lines represent averaged response of 100 artifact free epochs and black lines represent averaged response of all replicates measured from the same electrode. Identifiable peaks and stimulating electrodes used to elicit these responses are labeled for these traces. Peaks are labeled by their latencies. Subject numbers are indicated in the bottom left corner.
Figure 2
Figure 2
Type II responses recorded in subjects S1, S2 and S5. Black dashed lines represent averaged response of 100 artifact free epochs and black lines represent averaged response of all replicates measured from the same electrode. Identifiable peaks and stimulating electrodes used to elicit these responses are labeled for these traces. Peaks are labeled by their latencies. Subject numbers are indicated in the lower left corner.
See this image and copyright information in PMC

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