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Published in:
2014 | OriginalPaper | Chapter
The Application of V Test Method in Detecting Auditory Steady-State Response
Authors : Jun Ying, Zheng Yan, Guangyu Bin, Xiaorong Gao
Published in: Foundations and Practical Applications of Cognitive Systems and Information Processing
Publisher: Springer Berlin Heidelberg
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Abstract
Auditory steady-state response (ASSR) is a kind of signal which is phase-locked to the stimulus onset. Consequently, the methods of detecting ASSR are generally based on the feature of phase-locking. In this paper, ASSR in 40 and 90 Hz were recorded from 13 subjects. The phase values were calculated while the subjects attended to the tones. And it was found that besides S7, for each frequency, the phase of ASSR were fairly constant across all 12 subjects. For examples, the phase of ASSR responding to 40 Hz was mainly distributed around 3/4pi. Based on the results, the method of V test was introduced in this paper. By comparing the results obtained by V test and Rayleigh test, we found that V test is a more effective method for detecting ASSR.