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The choice of distracting task can affect the quality of auditory evoked potentials recorded for clinical assessment

The choice of distracting task can affect the quality of auditory evoked potentials recorded for clinical assessment
The choice of distracting task can affect the quality of auditory evoked potentials recorded for clinical assessment
Auditory evoked potential (AEP) recordings often require subjects to ignore the stimuli and stay awake. In the present experiment, early (ABR), middle (MLR), and late latency (LLR) AEPs were recorded to compare the effect of five different distracting tasks: (1) doing nothing eyes open, (2) reading, (3) watching a movie, (4) solving a three-digit sum, and (5) doing nothing eyes closed (or counting the stimuli for LLR). Results showed that neither the amplitudes nor the latencies of the ABR, MLR, or LLR were affected by task. However, the amount of pre-stimulus activity (noise) or amplitude rejection was significantly and differently affected by the distracting task. For the ABR, the math task was the noisiest but, for the MLR, the amount of noise was greater when watching a movie. As for the LLR, reading and watching a movie yielded the lowest percentage of rejected traces. In conclusion, the choice of distracting task depends on the AEP being measured and should be chosen to improve the quality of the AEP traces and thus reduce recording time
evoked potentials, auditory, humans, adult, attention, task performance and analysis, female, male, evoked response, hearing, methods, noise, audiometry
439-444
Lavoie, Brigitte A.
8acd6a26-0768-41c6-874b-27c226764692
Hine, Jemma E.
0e44b28c-4f48-44d6-b91c-55ecb7e4f654
Thornton, Roger D.
ffba22c2-de68-4d75-9f6f-138cc34c5fdd
Lavoie, Brigitte A.
8acd6a26-0768-41c6-874b-27c226764692
Hine, Jemma E.
0e44b28c-4f48-44d6-b91c-55ecb7e4f654
Thornton, Roger D.
ffba22c2-de68-4d75-9f6f-138cc34c5fdd

Lavoie, Brigitte A., Hine, Jemma E. and Thornton, Roger D. (2008) The choice of distracting task can affect the quality of auditory evoked potentials recorded for clinical assessment. International Journal of Audiology, 47 (7), 439-444. (doi:10.1080/14992020802033109).

Record type: Article

Abstract

Auditory evoked potential (AEP) recordings often require subjects to ignore the stimuli and stay awake. In the present experiment, early (ABR), middle (MLR), and late latency (LLR) AEPs were recorded to compare the effect of five different distracting tasks: (1) doing nothing eyes open, (2) reading, (3) watching a movie, (4) solving a three-digit sum, and (5) doing nothing eyes closed (or counting the stimuli for LLR). Results showed that neither the amplitudes nor the latencies of the ABR, MLR, or LLR were affected by task. However, the amount of pre-stimulus activity (noise) or amplitude rejection was significantly and differently affected by the distracting task. For the ABR, the math task was the noisiest but, for the MLR, the amount of noise was greater when watching a movie. As for the LLR, reading and watching a movie yielded the lowest percentage of rejected traces. In conclusion, the choice of distracting task depends on the AEP being measured and should be chosen to improve the quality of the AEP traces and thus reduce recording time

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More information

Published date: July 2008
Keywords: evoked potentials, auditory, humans, adult, attention, task performance and analysis, female, male, evoked response, hearing, methods, noise, audiometry

Identifiers

Local EPrints ID: 70195
URI: http://eprints.soton.ac.uk/id/eprint/70195
PURE UUID: cef3bd70-d916-4752-b5d7-bd654dfc1a40

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Date deposited: 28 Jan 2010
Last modified: 13 Mar 2024 19:57

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Contributors

Author: Brigitte A. Lavoie
Author: Jemma E. Hine
Author: Roger D. Thornton

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