| Auditory With Counting | Auditory Without Counting | Visual With Counting | Visual Without Counting | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 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 | -2.93 (1.69) | -2.02 (1.72) | <.05 | -2.94 (1.76) | -2.23 (2.01) | NS | -3.69 (1.52) | -2.46 (1.31) | <.05 | -3.42 (1.93) | 2.23 (1.44) | <.005 |
Central | -3.55 (1.92) | -2.24 (1.98) | <.005 | -3.62 (1.79) | -2.58 (2.20) | <.05 | -3.97 (1.69) | -2.60 (1.23) | <.05 | -3.83 (2.80) | 2.42 (1.32) | <.005 |
Parietal | -3.10 (1.80) | -2.10 (1.59) | <.005 | -3.06 (1.53) | -2.22 (1.85) | <.05 | -3.22 (1.63) | -1.95 (1.31) | <.05 | -3.06 (1.84) | -1.88 (1.28) | <.005 |
N200 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Frontal | -3.78 (3.11) | -2.19 (1.69) | <.005 | -3.06 (3.08) | -2.55 (1.82 | NS | -0.59 (1.43) | -1.43 (1.60) | <.05 | -1.54 (1.42) | -1.04 (1.72) | NS |
Central | -4.30 (4.10) | -1.80 (1.72) | <.005 | -3.26 (3.08) | -2.04 (1.89) | <.05 | -0.82 (1.13) | -1.48 (1.36) | <.05 | -1.66 (1.02) | -1.49 (1.54) | NS |
Parietal | -2.14 (3.15) | -1.07 (1.55) | NS | -1.89 (2.05) | -1.46 (2.11) | NS | -1.00 (1.19) | -1.17 (1.31) | NS | -1.41 (0.96) | -1.47 (1.50) | NS |
P200 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Frontal | 1.20 (1.57) | 1.84 (1.16) | <.05 | 1.47 (1.77) | 2.42 (1.24) | <.005 | 2.05 (2.09 | 1.63 (2.01) | NS | 2.87 (3.00) | 2.18 (2.28) | NS |
Central | 2.02 (1.75) | 2.65 (1.27) | NS | 2.56 (1.87) | 3.18 (1.44) | NS | 2.94 (1.74) | 2.79 (2.08) | NS | 3.76 (1.77) | 3.09 (2.21) | NS |
Parietal | 1.93 (1.26) | 2.32 (1.14) | NS | 2.42 (1.48) | 2.73 (1.33) | NS | 3.55 (1.55) | 3.24 (1.90) | NS | 3.67 (1.61) | 3.33 (2.04) | NS |
P300 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Frontal | 6.28 (3.15) | 3.29 (3.16) | <.000 | 5.81 (3.53) | 2.17 (2.59) | <.000 | 1.69 (1.21) | 2.18 (1.66) | NS | 1.35 (1.61) | 1.84 (1.71) | NS |
Central | 7.49 (4.25) | 3.80 (3.25) | <.000 | 7.17 (4.50) | 2.76 (2.66) | <.000 | 2.14 (1.06) | 2.04 (1.46) | NS | 1.48 (1.30) | 1.70 (1.50) | NS |
Parietal | 6.96 (3.71) | 3.44 (2.65) | <.000 | 6.59 (3.78) | 2.36 (2.64) | <.000 | 1.80 (1.02) | 1.63 (1.43) | NS- | 1.21 (1.35) | 1.40 (1.15) | NS |
P400 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Frontal | Â | Â | Â | Â | Â | Â | 1.41 (1.46) | 1.99 (1.64) | NS | 1.54 (1.50) | 1.95 (2.26) | NS |
Central | Â | Â | Â | Â | Â | Â | 1.75 (1.14) | 2.13 (1.20) | NS | 1.43 (1.29) | 1.77 (1.78) | NS |
Parietal | Â | Â | Â | Â | Â | Â | 1.66 (1.23) | 1.79 (1.08) | NS | 1.13 (1.17) | 1.36 (1.67) | NS |