Table 2 Mean amplitude (μV) of event-related potential (ERP) responses
All participants (n = 88) | GG carriers (n = 10) | GA carriers (n = 46) | AA carriers (n = 32) | ||
|---|---|---|---|---|---|
N1 | |||||
Images of objects | Neutral | −0.76 (0.18) | −1.64 (0.53) | −1.01 (0.25) | −0.13 (0.30) |
Pleasant | −0.70 (0.18) | −1.44 (0.52) | −0.76 (0.24) | −0.38 (0.29) | |
Unpleasant | −0.71 (0.21) | −1.76 (0.61) | −0.80 (0.28) | −0.26 (0.34) | |
Images of humans | Neutral | −0.01 (0.19) | −1.17 (0.56) | −0.06 (0.26) | 0.43 (0.31) |
Pleasant | −0.35 (0.19) | −1.43 (0.55) | −0.43 (0.26) | 0.11 (0.31) | |
Unpleasant | −0.42 (0.18) | −1.67 (0.53) | −0.45 (0.25) | 0.01 (0.29) | |
N2 | |||||
Images of objects | Neutral | −1.31 (0.27) | −2.04 (0.81) | −1.34 (0.38) | −1.04 (0.45) |
Pleasant | −0.81 (0.26) | −1.49 (0.79) | −0.74 (0.37) | −0.68 (0.44) | |
Unpleasant | −1.51 (0.28) | −1.79 (0.85) | −1.61 (0.40) | −1.28 (0.48) | |
Images of humans | Neutral | −1.17 (0.29) | −2.59 (0.85) | −1.14 (0.40) | −0.77 (0.48) |
Pleasant | −0.79 (0.28) | −2.04 (0.84) | −0.85 (0.39) | −0.31 (0.47) | |
Unpleasant | −1.30 (0.30) | −2.67 (0.90) | −1.20 (0.42) | −1.01 (0.50) | |
LPP | |||||
Images of objects | Neutral | 2.33 (0.21) | 2.63 (0.63) | 2.05 (0.29) | 2.64 (0.35) |
Pleasant | 2.46 (0.20) | 3.14 (0.59) | 2.25 (0.28) | 2.54 (0.33) | |
Unpleasant | 2.74 (0.22) | 3.57 (0.66) | 2.51 (0.31) | 2.80 (0.37) | |
Images of humans | Neutral | 3.42 (0.23) | 4.01 (0.69) | 3.20 (0.32) | 3.56 (0.39) |
Pleasant | 3.26 (0.22) | 3.59 (0.65) | 3.16 (0.30) | 3.29 (0.37) | |
Unpleasant | 3.69 (0.24) | 3.82 (0.71) | 3.60 (0.33) | 3.76 (0.40) | |