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The impact of divided attention on the Ganong effect as a function of age

Bordman, Samantha (2018) The impact of divided attention on the Ganong effect as a function of age. Undergraduate Thesis, University of Pittsburgh. (Unpublished)

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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
Status: Unpublished
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Bordman, Samanthaslb143@pitt.eduslb143
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairPratt, Sheilaspratt@pitt.edu
Committee MemberDickey, Michaelmdickey@pitt.edu
Committee MemberDuff, Dawnadduff@pitt.edu
Committee MemberLeibold, Lorilori.leibold@boystown.org
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: University 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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