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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Biol Psychiatry. 2010 Dec 15;70(1):28–34. doi: 10.1016/j.biopsych.2010.09.021

Figure 1.

Figure 1

Example mismatch negativity results. While the subjects read a book, brief tones were presented at a rate of approximately 1 Hz, with 80% standard tones (1000 Hz) and 20% deviant tones (1004, 1008, 1016, or 1032 Hz). The mismatch negativity is isolated by differences waves (right column) in which the ERP elicited by the standard stimulus is subtracted from the ERP elicited by the deviant stimulus. (Reprinted with permission from reference 69, copyright 2010 by Risto Näätänen and Kairi Kreegipuu, all rights reserved).