Frequency-response-based Wavelet Decomposition for Extracting Children’s Mismatch Negativity Elicited by Uninterrupted Sound Department of Mathematical Information Technology ,University of Jyväskylä,Jyväskylä 40014,Finland Center for Intelligent Maintenance Systems,University of Cincinnati,OH 45221,USA School of Psychology, Beijing Normal University,Beijing 100875,China Department of Psychology,University of Jyväskylä, Jyväskylä 40014,Finland Received 6 Apr 2011; Accepted 14 Sep 2011; doi: 10.5405/jmbe.908 Chairman:Hung-Chi Yang Presenter: Yu-Kai Wang Advisor: Dr. Yeou-Jiunn Chen Date: 2013.3.6 Outline Introduction Purposes Materials and Methods Results Conclusions Results The trace from -350 ms to -50 ms is the standard sweep 0 ms to 300 ms is the deviant sweep Solid lines: the WLD Dashed lines:ODF Dotted lines:conventionally averaged traces Results The trace from -330 ms to -30 ms is the standard sweep 0 ms to 300 ms is the deviant sweep Results In the standard sweep, WLD and the ODF effectively cancelled the responses to repeated stimuli In contrast to the conventional average In the deviant sweep, WLD almost completely removed P3a In contrast to the conventional average and ODF traces.