Table 2.

Each index score (±SD) during the fear conditioning paradigm.

	Subjective ratings	SCR	Pupil diameter
Habituation
CS+	Anxiety 33.85(21.63) Valence 50.26(11.99) Arousal 27.10(19.63)	1.34(0.31)	0.08(0.12)
CS−	Anxiety 34.67(21.31) Valence 51.67(8.86) Arousal 26.69(21.83)	1.30(0.34)	0.05(0.14)
Acquisition
CS+	Anxiety 77.46(13.56) Valence 83.28(11.64) Arousal 86.05(13.44) US expectancy 89.82(13.07)	1.32(0.21)	0.26(0.22)
CS−	Anxiety 43.05(25.10) Valence 50.92(19.02) Arousal 32.33(24.64) US expectancy 40.59(26.93)	1.33(0.19)	0.08(0.14)
Extinction
CS+	Anxiety 61.87(22.31) Valence 64.82(17.70) Arousal 45.33(25.28) US expectancy 58.59(26.64)	1.30(0.21)	0.19(0.19)
CS−	Anxiety 45.36(25.35) Valence 50.36(17.44) Arousal 30.03(24.35) US expectancy 43.05(26.27)	1.27(0.17)	0.19(0.20)