TABLE 2.
Mean (SD) accuracy (%) and RT (ms) of correct trials for mental rotation task and change of accuracy and RT between difficulties
| 0° | 45° | 90° | 0–45° | 0–90° | |
|---|---|---|---|---|---|
| Accuracy(%) | |||||
| HC | 89.6 (12.4) | 79.6 (16.5) | 72.2 (14.0) | −10.1 (9.5) | −17.5 (14.8) |
| PD | 84.6 (15.2) | 71.0 (18.1) | 70.4 (17.0) | −13.8 (10.7) | −14.3 (12.4) |
| DLB | 70.6 (22.2)a | 59.4 (15.8)a | 55.1 (10.8)a | −11.3 (17.1) | −15.6 (19.6) |
| RT (ms) | |||||
| HC | 4896.99 (2256.98) | 6250.27 (2722.86) | 7176.14 (3186.59) | 1353.28 (2167.24) | 2279.15 (2150.84) |
| PD | 4810.72 (1801.68) | 5660.21 (2616.62) | 5162.92 (2617.06) | 848.76 (1530.98) | 275.04 (1683.06)b |
| DLB | 6202.17 (2904.05) | 7130.58 (3985.40) | 6040.89 (3178.23) | 928.41 (2014.17) | −161.28 (1450.59)b |
a = DLB < PD & HC, P < 0.001; b = < HC, P < 0.001.
Abbreviations: RT, Response time; HC, Healthy controls; PD, Parkinson's disease; DLB, Dementia with Lewy bodies.