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Monaural vs. binaural stimulation ef...

McCombs, Ashleigh.

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Monaural vs. binaural stimulation effects on the multiple frequency auditory steady-state response.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Monaural vs. binaural stimulation effects on the multiple frequency auditory steady-state response./
作者:	McCombs, Ashleigh.
面頁冊數:	91 p.
附註:	Source: Dissertation Abstracts International, Volume: 68-03, Section: B, page: 1533.
Contained By:	Dissertation Abstracts International68-03B.
標題:	Health Sciences, Audiology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3256976

Monaural vs. binaural stimulation effects on the multiple frequency auditory steady-state response.
McCombs, Ashleigh.

Monaural vs. binaural stimulation effects on the multiple frequency auditory steady-state response. - 91 p.

Source: Dissertation Abstracts International, Volume: 68-03, Section: B, page: 1533.

Thesis (Au.D.)--James Madison University, 2007.

Auditory Steady-State Response (ASSR) is a newly implemented evoked potential that provides frequency specific information that has been shown to be closely related to behavioral thresholds. The main difference between ASSR and other evoked potentials is that ASSR uses a continuous stimulus that is more like a pure tone and responses are recorded in the frequency domain rather than the time domain. It has been shown that several frequencies can be evaluated at a time using ASSR, more specifically up to 4 frequencies at time in both ears. In this work 15 normal hearing subjects were evaluated using a variety of different stimulus packages to determine the most appropriate stimulus for clinical use. Unilateral stimuli were used with both single and multiple frequency packages, and bilateral stimuli were used with both competing and non-competing packages. Each stimulus was evaluated for accuracy and test time. When comparing ASSR thresholds to behavioral thresholds unilateral multiple frequency stimuli produced the most consistently accurate responses, with difference thresholds ranging from 14 dB to 16 dB, and binaural competing frequency stimuli produced the least accurate, with difference thresholds ranging from 15 dB to 30 dB. However, when evaluating test time binaural competing frequency stimuli was the fastest method by a significant margin. In conclusion, if time allows the use of unilateral multiple frequency stimuli should be used for more accurate results; however, when test efficiency is a main concern bilateral competing frequency stimuli can be used with the application of greater correction factors.Subjects--Topical Terms:

1018138
Health Sciences, Audiology.

Monaural vs. binaural stimulation effects on the multiple frequency auditory steady-state response.
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