Table 2 The Latency Difference Of Auditory and Visual Event-Related Potentials With and Without Counting Groups Between Control and Schizophrenic Patients+
| Â | Auditory With Counting | Auditory Without Counting | Visual With Counting | Visual Without Counting | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Control (n = 40) | Schizophrenia (n = 43) | P | Control (n = 40) | Schizophrenia (n = 43) | P | Control (n = 40) | Schizophrenia (n = 43) | P | Control (n = 40) | Schizophrenia (n = 43) | P |
N100 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Frontal | 92.70 (14.67) | 96.88 (14.92) | NS | 98.65 (18.61) | 98.28 (12.15) | NS | 141.35 (19.14) | 143.77 (20.03) | NS | 140.15 (17.76) | 139.81 (21.30) | NS |
Central | 92.80 (14.69) | 96.98 (14.91) | NS | 98.65 (18.61) | 97.91 (12.23) | NS | 141.35 (19.14) | 143.67 (20.16) | NS | 140.15 (17.76) | 139.81 (21.23) | NS |
Parietal | 92.55 (14.89) | 97.40 (15.10) | NS | 98.70 (18.57) | 97.58 (12.74) | NS | 141.35 (19.14) | 143.26 (20.83) | NS | 140.15 (17.76) | 139.77 (20.02) | NS |
N200 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Frontal | 235.70 (38.53) | 263.81 (29.21) | <.000 | 234.60 (30.81) | 280.28 (30.60) | <.000 | 285.90 (31.07) | 292.09 (33.12) | NS | 285.55 (37.72) | 293.58 (39.99) | NS |
Central | 234.45 (39.24) | 263.77 (29.72) | <.000 | 233.75 (31.36) | 279.81 (30.99) | <.000 | 285.50 (30.59) | 292.09 (33.12) | NS | 285.55 (37.72) | 293.58 (39.99) | NS |
Parietal | 235.00 (40.59) | 264.65 (29.15) | <.000 | 232.95 (32.17) | 279.77 (31.02) | <.000 | 285.50 (30.59) | 292.70 (32.76) | NS | 285.55 (37.72) | 293.58 (39.99) | NS |
P200 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Frontal | 186.50 (35.02) | 174.98 (22.06) | NS | 178.65 (27.03) | 174.23 (20.69) | NS | 220.15 (22.79) | 220.51 (27.86) | NS | 220.55 (18.27) | 217.44 (26.11) | NS |
Central | 185.85 (34.62) | 174.60 (21.52) | NS | 178.85 (26.63) | 172.65 (20.12) | NS | 219.30 (21.88) | 219.72 (25.21) | NS | 219.75 (18.79) | 217.58 (26.00) | NS |
Parietal | 185.75 (34.51) | 174.23 (21.74) | NS | 178.00 (26.41) | 173.72 (18.61) | NS | 219.15 (21.90) | 220.65 (24.80) | NS | 218.95 (18.53) | 217.63 (25.98) | NS |
P300 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Frontal | 329.75 (26.09) | 344.05 (33.44) | <.05 | 320.85 (23.46) | 341.72 (31.15) | <.005 | 338.95 (32.68) | 351.40 (32.83) | NS | 337.40 (33.21) | 353.44 (31.17) | <.05 |
Central | 329.60 (25.62) | 343.53 (33.96) | <.05 | 322.20 (26.01) | 339.86 (30.99) | <.005 | 338.95 (32.68) | 351.95 (33.30) | NS | 337.40 (33.21) | 353.53 (31.24) | <.05 |
Parietal | 330.50 (25.68) | 343.49 (34.62) | NS | 321.30 (25.70) | 338.84 (32.27) | <.005 | 338.95 (32.68) | 352.00 (33.14) | NS | 337.40 (33.21) | 354.14 (32.16) | <.05 |
P400 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Frontal | Â | Â | Â | Â | Â | Â | 435.95 (33.29) | 448.70 (29.65) | NS | 435.60 (25.14) | 437.49 (23.62) | NS |
Central | Â | Â | Â | Â | Â | Â | 435.70 (33.46) | 448.40 (29.83) | NS | 436.20 (24.64) | 437.58 (22.66) | NS |
Parietal | Â | Â | Â | Â | Â | Â | 435.20 (34.23) | 448.47 (30.28) | NS | 436.28 (24.71) | 436.74 (23.61) | NS |