The Effects of Different Auditory Feedback Conditions on Speech Rate and Self-Perceptions of Speech

Fifteen non-stutterers orally read a standardized passage under six auditory feedback conditions: DAF; masking; 1, 3, and 5 millisecond delayed, amplified fundamental frequency; and normal auditory feedback. Dependent variabes were rate and self-perceptions of speech. Research hypotheses were: 1) any manipulation of auditory feedback affects rate and self-perceptions of speech in non-stutterers, 2) amplified phase-lagged fundamental frequency feedback affects rate and self-perceptions of speech differently than DAF and masking in non-stutterers, and 3) amount of phase-lag in the fundamental frequency feedback linearly relates to the amount of speech rate and self-perceptions of speech modifications in non-stutterers. Results indicated significant effects for Hypothesis 1 and 2. Findings were interpreted as: 1) any manipulation of auditory feedback affected rate and self-perceptions of speech in non-stutterers, 2) DAF and masking, rather than the fundamental frequency conditions, produced significant decreases in speech rate and dramatically affected most measured self-perceptions of speech in non-stutterers, and 3) the amount of phase-lag in the fundamental frequency conditions did not linearly affect rate or self-perceptions of speech in non-stutterers.

Name thesis:degree_name

Master of Science in Communication Sciences and Disorders

Level thesis:degree_level

Masters

Discipline thesis:degree_discipline

Communication Sciences and Disorders

Year

1993

Author dc:creator

• Feeney, Rebecca Lynn

Contributors dc:contributor

• Klaas Bakker

• Communication Sciences and Disorders

Statement dc:rights

• © Rebecca Lynn Feeney

Repository record dc:identifier

https://bearworks.missouristate.edu/theses/219

OAI identifier oai:identifier

oai:bearworks.missouristate.edu:theses-1220