Table 2.
Behavioural results in the emotional face categorization task for PD patients and HCs.
| Variables | Apathetic group | Nonapathetic group | HC | χ 2 or F | p |
|---|---|---|---|---|---|
| ACC (%) | |||||
| Positive | 91.6 (3.9) | 91.8 (3.7) | 92.2 (2.4) | 0.286, 0.867 | |
| Neutral | 76.9 (4.5) | 78.5 (3.6) | 87.7 (2.8) | 36.773 | <0.001 |
| Negative | 72.0 (7.5) | 79.3 (9.1) | 86.9 (4.8) | 23.601 | <0.001 |
|
| |||||
| RT (ms) | |||||
| Positive | 698.73 (104.49) | 704.20 (106.98) | 656.76 (182.53) | 0.760 | 0.472 |
| Neutral | 826.67 (112.77) | 813.92 (114.24) | 704.33 (134.87) | 6.161 | 0.004 |
| Negative | 905.93 (149.60) | 889.64 (183.75) | 728.52 (134.44) | 7.568 | 0.001 |
The behavioural results of the apathetic PD group, nonapathetic PD group, and HC group are expressed as mean (SD). ACC = accuracy (%); RT = reaction time (ms).