Table 2.
Cognitive/social cognitive and neural comparisons of diagnostic and comparison groups.
| Measures | Schizophrenia (n = 44) M(SD) |
Schizoaffective (n = 29) M(SD) |
Comparison (n = 62) M(SD) |
F (2,132) | P-value |
|---|---|---|---|---|---|
| MCCB composite (T score) | 35.43 (10.37) | 35.14 (8.87) | 43.35 (10.38)a, b | 10.9 | <.001 |
| MCCB processing speed (T score) | 35.14 (11.85) | 33.86 (9.11) | 45.48 (12.77)a, b | 14.34 | <.00 |
| MCCB attention/vigilance (T score) | 34.57 (13.42) | 36.48 (12.32) | 42.52 (1.71)a | 4.93 | <.01 |
| MCCB working memory (T score) | 38.25 (12.20) | 37.93 (12.88) | 43.81 (12.35) | 3.52 | >.05 |
| MCCB verbal learning (T score) | 36.52 (9.88) | 37.76 (9.40) | 45.14 (10.36)a, b | 11.20 | <.001 |
| MCCB visual learning (T score) | 32.91 (12.70) | 33.62 (12.27) | 40.77 (10.64)a, b | 7.61 | <.01 |
| MCCB reasoning (T score) | 41.43 (9.42) | 41.00 (9.14) | 50.52 (9.42)a, b | 16.40 | <.001 |
| MSCEIT managing emotions | 36.66 (10.86) | 44.31 (12.96)a | 45.76 (12.90)a | 7.47 | .001 |
| Reading the mind in the eyes (correct/36) | 21.20 (5.41) | 22.93 (4.57) | 25.23 (5.35)a | 7.81 | <.01 |
| WASI IQ | 93.59 (21.18) | 100.72 (20.77) | 101.56 (20.33) | 2.07 | .130 |
| WRAT-4 reading (standard score) | 88.55 (11.34) | 94.69 (10.55) | 95.27 (11.99)a | 4.85 | .001 |
Note. MCCB, MATRICS Consensus Cognitive Battery; MSCEIT, Mayer–Salovey–Caruso Emotional Intelligence Test; WASI, Wechsler Abbreviated Scale of Intelligence; WRAT-4, Wide Range Achievement Test - Fourth Edition.
a
Significantly different from schizophrenia patients.
b
Significantly different from schizoaffective patients.