Table 3. Mean numbers of correctly identified expressions for each of the six basic emotions for participants in each group for Study 1 (mean ± SD).

	A allele	G allele
Happy	9.93 ± 0.25	9.91 ± 0.28
Sad	8.42 ± 1.56	7.91 ± 1.66
Fear	7.22 ± 2.41	6.76 ± 2.31
Anger	7.20 ± 1.71	6.96 ± 1.86
Surprise	9.11 ± 1.05	9.15 ± 1.23
Disgust	7.84 ± 1.49	7.80 ± 2.11