Eye-surface temperature (˚C)

Status of person

Approaching manner

Sex of person

T1 (Baseline)

T2 (2min later after approaching)

T3 (3 min later after T2)

T4 (5 min later after T3)

Familiar

Smiling

female

34.04 ± 0.78

33.80 ± 0.93

33.90 ± 0.62

34.06 ± 0.51

male

34.28 ± 0.50

34.25 ± 0.67

34.37 ± 0.42

34.39 ± 0.42

Expressionless

female

34.24 ± 0.53

34.20 ± 0.37

34.23 ± 0.37

34.29 ± 0.28

male

34.15 ± 0.32

34.20 ± 0.50

34.39 ± 0.33

34.62 ± 0.44

T1

T2

T3

T4

Unfamiliar

Smiling

female

33.78 ± 0.57

33.65 ± 0.73

33.72 ± 0.71

33.85 ± 0.68

male

33.55 ± 0.71

33.52 ± 0.82

33.67 ± 0.75

33.76 ± 0.81

Expressionless

female

33.70 ± 0.78

33.72 ± 0.87

33.85 ± 0.76

33.94 ± 0.79

male

33.77 ± 0.73

33.65 ± 0.77

33.75 ± 0.66

33.88 ± 0.66