First Advisor

Thomas G. Dolan

Date of Publication

1989

Document Type

Thesis

Degree Name

Master of Science (M.S.) in Speech and Hearing Sciences

Department

Speech Communication

Language

English

Subjects

Evoked response audiometry

DOI

10.15760/etd.5841

Physical Description

1 online resource (59 p.)

Abstract

Research on the Auditory Brainstem Response (ABR) has been dominated by attempts to develop techniques to enhance the clarity of the ABR waveform and to define the parameters that separate normal from abnormal responses. While the effects of stimulus rate are clearly documented, the effects of stimulus polarity on the ABR are not. There may be an interaction of polarity and rate which accounts for the inconsistent results reported in the literature.

This study examined the effect of stimulus rate and polarity for waves I, III, and V, on the ABR latency, amplitude, and amplitude ratio. Rarefaction and condensation clicks were delivered at rates of 11.l; 21.1, 41.1, and 81.1 clicks per second. Fourteen male subjects were used, each having normal hearing thresholds and normal middle ear function.

Rights

In Copyright. URI: http://rightsstatements.org/vocab/InC/1.0/ This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).

Comments

If you are the rightful copyright holder of this dissertation or thesis and wish to have it removed from the Open Access Collection, please submit a request to pdxscholar@pdx.edu and include clear identification of the work, preferably with URL

Persistent Identifier

http://archives.pdx.edu/ds/psu/22299

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