Research Article
Emotional Processing Impairments in Apathetic Patients with Parkinson’s Disease: An ERP Study in Early Time Windows
Table 3
Amplitudes and latencies of ERP components of PD patients and HCs during emotional face categorization.
| | Group | Left | Right | | Positive | Neutral | Negative | Positive | Neutral | Negative |
| | P100 | | | | | | | | | Amplitude (μV) | Apathetic | 4.84 (1.22) | 5.48 (1.76) | 6.30 (2.06) | 5.86 (1.13) | 6.91 (1.30) | 7.66 (2.40) | | Nonapathetic | 4.84 (1.61) | 5.19 (1.49) | 6.02 (1.50) | 7.21 (1.56) | 5.87 (1.76) | 6.31 (1.53) | | HC | 7.34 (1.84) | 9.12 (2.01) | 7.82 (1.98) | 7.31 (2.25) | 6.67 (1.40) | 6.49 (1.05) | | Latency (ms) | Apathetic | 142.83 (26.44) | 149.83 (25.97) | 140.50 (25.23) | 141.50 (22.87) | 152.33 (28.76) | 144.83 (24.63) | | Nonapathetic | 122.66 (20.72) | 122.83 (17.85) | 138.83 (24.29) | 127.00 (21.37) | 117.67 (21.15) | 133.50 (22.81) | | HC | 118.60 (16.27) | 119.40 (18.18) | 121.40 (19.35) | 110.00 (14.97) | 119.00 (17.10) | 116.80 (15.77) |
| | N170 | | | | | | | | | Amplitude (μV) | Apathetic | 12.09 (2.81) | 9.97 (2.89) | 11.07 (2.85) | 12.48 (4.07) | 11.39 (3.87) | 10.95 (3.43) | | Nonapathetic | 12.24 (3.59) | 12.76 (3.99) | 13.53 (3.58) | 15.11 (4.95) | 15.83 (5.46) | 16.06 (4.81) | | HC | 20.07 (6.36) | 19.84 (5.68) | 21.46 (5.68) | 24.38 (7.31) | 24.91 (6.44) | 25.27 (7.17) | | Latency (ms) | Apathetic | 200.67 (20.52) | 202.50 (32.84) | 203.50 (27.38) | 206.50 (25.61) | 209.83 (25.43) | 208.83 (31.17) | | Nonapathetic | 183.17 (35.16) | 182.67 (35.57) | 192.17 (32.71) | 187.83 (34.36) | 182.50 (31.17) | 184.17 (23.80) | | HC | 187.20 (43.64) | 182.20 (27.04) | 189.60 (33.60) | 183.00 (32.21) | 183.60 (21.63) | 183.00 (24.29) |
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P100 and N170 results from the apathetic PD group, nonapathetic PD group, and HC group are expressed as mean (SD).
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