Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.14/33686
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- Title
- Rising-frequency chirps and earphones with an extended high-frequency response enhance the post-auricular muscle response
- Related
- International journal of audiology, Vol. 44, Issue 11, p.631-636
- DOI
- 10.1080/14992020500266613
- Publisher
- Taylor and Francis
- Date
- 2005
- Author/Creator
- Agung, Katrina
- Author/Creator
- Purdy, Suzanne C
- Author/Creator
- Patuzzi, Robert B
- Author/Creator
- O'Beirne, Greg A
- Author/Creator
- Newall, Philip
- Description
- The purpose of this study was to determine whether rising-frequency chirps presented via earphones with an extended high-frequency response would optimize the post-auricular muscle response (PAMR). The PAMR was recorded in adults using three different stimuli (a click, a rising-frequency chirp, and a truncated speech stimulus, /t/). Conventional ER-3A insert earphones were compared to ER-2 insert earphones to determine whether the PAMR is enhanced by the ER-2's extended high-frequency response. There were significant stimulus and earphone effects on PAMR amplitudes. The PAMR was largest for the chirp stimulus and the ER-2 earphones. The poorest responses were obtained using the /t/ stimulus and conventional ER-3A earphones. The results support previous ABR studies that have demonstrated a significant advantage of chirps over clicks for evoked response audiometry, and indicate that the PAMR is enhanced by inclusion of additional high-frequency stimulus energy.
- Description
- 6 page(s)
- Subject Keyword
- chirp
- Subject Keyword
- evoked response
- Subject Keyword
- insert earphones
- Subject Keyword
- objective audiometry
- Subject Keyword
- post-auricular muscle
- Resource Type
- journal article
- Organisation
- Macquarie University. Dept. of Linguistics
- Identifier
- http://hdl.handle.net/1959.14/33686
- Identifier
- ISSN:1499-2027
- Identifier
- mq-rm-2005002352
- Language
- eng
- Reviewed
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