Characterization of nonlinear phenomenon in auditory system and application to a welfare devices

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We observed a stochastic resonance effect of white noise on ASSR by presenting bursts of SAM tones of superimposed with white noise to the left ear. This finding indicated the presence of some nonlinear mechanisms in the generation of ASSRs. In this study, to do visualization of the brain , we apply the proposed phase analysis to their biological signal. From these results, To apply stochastic resonance to a welfare devices, I examine the phase synchronization of the auditory steady state responses.