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Fig. 2 | BMC Neuroscience

Fig. 2

From: Machine learning and EEG can classify passive viewing of discrete categories of visual stimuli but not the observation of pain

Fig. 2

Average ERP waveforms and scalp isopotential maps for each comparison from the unique 91 subjects within samples one and two. A Brain responses to scene and face images. Left: Average ERP waveforms from electrodes 58 (P7) and 96 (P8) for each condition. Right: Average scalp potential for each condition between 150 and 190 ms. B Brain responses to neutral and pain scenes. Left: Average ERP waveforms from electrodes Cz, 55, and 62 (Pz). Right: Average scalp potential between 524 and 674 ms for each condition. (C) Brain responses to neutral and pain face images. Left: Average ERP waveforms at electrodes Cz, 55, and 62 (Pz). Right: Average scalp potential between 270 and 348 ms for each condition. White circles indicate electrode locations of the average ERP waveforms. Light grey bars denote significant differences at p < .05. Dark grey bars represent significant differences at p < .00001

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