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DICHOTIC SPEECH DETECTION, IDENTIFICATION, AND RECOGNITION BY CHILDREN, YOUNG ADULTS, AND OLDER ADULTS

Findlen, Ursula M.
http://rave.ohiolink.edu/etdc/view?acc_num=osu1251305348

Abstract Details

2009, Doctor of Philosophy, Ohio State University, Speech and Hearing Science.
Dichotic speech detection, identification, and recognition were evaluated using speech stimuli with varied in the amount of lexical content in order to examine lexical effects on performance characteristics measured in dichotic tasks. Data was collected for children and young adults with normal hearing, as well as older adults with mild to moderate sensorineural hearing loss for dichotic tasks administered under both free recall and directed recall response conditions in order to also examine cognitive load effects on performance. Results revealed that for dichotic speech recognition, the lexical content of the stimuli and the cognitive load of the task impacted performance measures for children, young adults, and older adults. Results from dichotic detection and identification tasks revealed young adults and older adults to perform at ceiling levels, while children demonstrated a significant difference in ability to detect versus the ability to identify target stimuli. Overall, the present study suggests that both lexical content and cognitive load impacts performance characteristics measured in dichotic tasks for children, young adults, and older adults. Clinical implications for diagnosis of auditory processing disorder are discussed.
Christina Roup, PhD (Advisor)
Lawrence Feth, PhD (Committee Member)
Gail Whitelaw, PhD (Committee Member)
Paula Rabidoux, PhD (Committee Member)
116 p.
Audiology
dichotic speech recognition

Recommended Citations

Citations

  • Findlen, U. M. (2009). DICHOTIC SPEECH DETECTION, IDENTIFICATION, AND RECOGNITION BY CHILDREN, YOUNG ADULTS, AND OLDER ADULTS [Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1251305348

    APA Style (7th edition)

  • Findlen, Ursula. DICHOTIC SPEECH DETECTION, IDENTIFICATION, AND RECOGNITION BY CHILDREN, YOUNG ADULTS, AND OLDER ADULTS. 2009. Ohio State University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1251305348.

    MLA Style (8th edition)

  • Findlen, Ursula. "DICHOTIC SPEECH DETECTION, IDENTIFICATION, AND RECOGNITION BY CHILDREN, YOUNG ADULTS, AND OLDER ADULTS." Doctoral dissertation, Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1251305348

    Chicago Manual of Style (17th edition)

osu1251305348
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© 2009, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.