Emotional Processing Impairments in Apathetic Patients with Parkinson’s Disease: An ERP Study in Early Time Windows

Figure 3

Grand-averaged ERP waveforms elicited at left and right temporo-occipital electrodes (P7 and P8). (a) ERP waveforms of P7 in the apathetic group. (b) ERP waveforms of P8 in the apathetic group. (c) ERP waveforms of P7 in the nonapathetic group. (d) ERP waveforms of P8 in the nonapathetic group. (e) ERP waveforms of P7 in the HC group. (f) ERP waveforms of P8 in the HC group.

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