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. 2015 Jun 25;10(6):e0131470. doi: 10.1371/journal.pone.0131470

Table 2. Emotion processing measures.

PD patients (N = 32) HC (N = 25) t-test or Mann-Whitney U test
Emotion recognition
Ekman-total 43.75 (5.80) 48.12 (5.74) 2.806 p = 0.007
Ekman-sadness 6.59 (1.95) 7.42 (1.59) U = 281.5 p = 0.084 NS
Ekman-happiness 9.72 (0.73) 9.71 (0.75) U = 380.5 p = 0.928 NS
Ekman-anger 6.66 (2.19) 8.04 (1.78) U = 243.5 p = 0.018 NS
Ekman-disgust 7.84 (1.94) 8.58 (1.86) U = 284.5 p = 0.091 NS
Ekman-fear 4.25 (1.97) 5.33 (2.57) U = 277.7 p = 0.072 NS
Ekman-surprise 8.69 (1.42) 9.04 (1.16) U = 331 p = 0.357 NS
Emotion representation
RME 20.59 (5.14) 23.40 (4.65) 2.130 p = 0.038
RME control 34.09 (2.20) 35.04 (1.14) 1.950 NS
Emotion regulation
TAS 20 53.77 (10.72) 50.96 (13.28) 0.868 NS
TAS 20-F1 18.25 (6.26) 16.55 (6.61) 0.907 NS
TAS 20-F2 15.54 (4.19) 13.75 (4.74) 1.377 NS
TAS 20-F3 20.75 (5.09) 20.15 (5.39) 0.393 NS

HC = Healthy Controls; PD = Parkinson’s Disease; RME = Reading the Mind in the Eyes; TAS-20 = Twenty-item Toronto Alexithymia Scale.