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. 2013 Sep 5;4:595. doi: 10.3389/fpsyg.2013.00595

Figure 2.

Figure 2

Group-averaged (N = 36 waking 2 months old infants) difference waveforms for tones delivered occasionally too early in an otherwise isochronous tone sequence (ISI-deviant; black line), rare white noise segments (red line) and novel sounds (blue line); the ERP response to the frequent regular tone (standard, shown on the figure by green line) has been subtracted from each of the other ERP responses. Stimulus onset is at the crossing of the two axes. Negative amplitudes are marked upwards. Amplitude calibration is at the bottom of the figure. Reprinted from Otte et al. (2013).