Bordman, Samantha
(2018)
The impact of divided attention on the Ganong effect as a function of age.
Undergraduate Thesis, University of Pittsburgh.
(Unpublished)
Abstract
The Ganong effect refers to the impact of lexical knowledge on auditory perception of words when stimuli are acoustically ambiguous. When adult listeners are presented with words that include acoustically ambiguous speech sounds they are more likely to shift their perception to be consistent with a real word rather than a non-word. The current study explored the Ganong effect with adults and children aged 7 to 9 years, and examined whether divided attention differentially impacted the Ganong effect across the groups. It was hypothesized that both children and adults would exhibit the Ganong effect, but that adults would show the effect to a greater extent than the children. The adults and children were presented words and syllables beginning with a velar plosive (/k/-/g/) that varied by voice-onset-times (VOT) from 0 to 80 ms and comprised three acoustic continua: /kɪft/- gift/, /kɪs/-/gɪs/, and /kɪ/-/gɪ/. The adults and children were asked to identify the initial consonant in stimuli during undivided and divided attention conditions. Both children and adults exhibited the Ganong effect in all listening conditions, but there was no additional lexical drift observed in the divided attention condition. The adults and children did not differ significantly on the tasks.
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Details
| Item Type: |
University of Pittsburgh ETD
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| Status: |
Unpublished |
| Creators/Authors: |
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| ETD Committee: |
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| Date: |
18 December 2018 |
| Date Type: |
Publication |
| Defense Date: |
29 November 2018 |
| Approval Date: |
18 December 2018 |
| Submission Date: |
6 December 2018 |
| Access Restriction: |
No restriction; Release the ETD for access worldwide immediately. |
| Number of Pages: |
58 |
| Institution: |
University of Pittsburgh |
| Schools and Programs: |
David C. Frederick Honors College
School of Health and Rehabilitation Sciences > Communication Science and Disorders |
| Degree: |
BPhil - Bachelor of Philosophy |
| Thesis Type: |
Undergraduate Thesis |
| Refereed: |
Yes |
| Uncontrolled Keywords: |
Ganong effect, divided attention, speech perception, language, natural speech |
| Date Deposited: |
18 Dec 2018 19:32 |
| Last Modified: |
18 Dec 2018 19:32 |
| URI: |
http://d-scholarship.pitt.edu/id/eprint/35715 |
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