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Language, Speech, and Hearing Services in Schools Vol.39 342-351 July 2008. doi:10.1044/0161-1461(2008/032)
© American Speech-Language-Hearing Association
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Effect of Minimal Hearing Loss on Children's Ability to Multitask in Quiet and in Noise

Brittany McFadden
Andrea Pittman
Arizona State University, Tempe

Contact author: Andrea Pittman, Arizona State University, P.O. Box 870102, Tempe, AZ 85287-0102. E-mail: andrea.pittman{at}asu.edu.

Purpose: The purpose of the present study was to examine the effect of minimal hearing loss (HL) on children's ability to perform simultaneous tasks in quiet and in noise.

Method: Ten children with minimal HL and 11 children with normal hearing (NH) participated. Both groups ranged in age from 8 to 12 years. The children categorized common words (primary task) while completing dot-to-dot games (secondary task) in quiet as well as in noise presented at 0 dB and +6 dB signal-to-noise ratios (SNRs). It was hypothesized that the children's progression through the dot-to-dot games would slow as they encountered more difficult listening environments. This hypothesis was based on the theory that listeners have limited cognitive resources to allocate to any combination of tasks.

Results: The dot rate of both groups decreased similarly in the multitasking conditions relative to baseline. However, no other differences between groups or listening conditions were revealed. Significantly poorer word categorization was observed for the children with minimal HL in noise.

Conclusion: These data suggest that children with minimal HL may be unable to respond to a difficult listening task by drawing resources from other tasks to compensate.

KEY WORDS: children, hearing loss, listening effort, noise, multitasking


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