Table 2. Mean LPP amplitudes and standard deviations (μV) for pictures presented the first and second time under different conditions.
High depression | Low depression | ||||||
---|---|---|---|---|---|---|---|
Early | Middle | Late | Early | Middle | Late | ||
First picture | |||||||
Aversive | anterior | 1.57 (2.91) | 3.16 (2.90) | 2.93 (3.19) | 1.70 (3.22) | 2.98 (3.26) | 2.50 (3.83) |
parietal | 3.71 (2.57) | 2.35 (2.28) | 1.64 (2.85) | 3.16 (3.96) | 1.92 (3.20) | 1.30 (3.43) | |
Neutral | anterior | 0.13 (2.66) | 1.79 (3.01) | 1.85 (2.93) | 0.58 (2.62) | 1.78 (2.93) | 1.72 (3.48) |
parietal | 1.26 (2.30) | 0.63 (2.23) | 0.73 (2.67) | 1.26 (2.53) | 0.53 (2.61) | 0.37 (3.07) | |
Second picture | |||||||
CP-N | anterior | 1.02 (2.93) | 1.76 (2.89) | 2.10 (3.16) | 0.90 (2.80) | 1.70 (3.18) | 1.63 (3.26) |
parietal | 2.32 (2.17) | 1.63 (2.69) | 1.75 (3.11) | 1.58 (2.09) | 1.23 (2.31) | 0.91 (2.75) | |
CP-U | anterior | 0.95 (3.37) | 1.83 (3.07) | 1.79 (3.05) | 1.56 (2.99) | 2.53 (3.13) | 2.59 (3.59) |
parietal | 2.26 (2.18) | 1.33 (2.74) | 0.89 (3.43) | 2.55 (2.37) | 1.89 (2.69) | 1.68 (3.14) | |
NEU | anterior | -0.28 (2.89) | 0.73 (2.91) | 1.08 (3.23) | -0.08 (3.66) | 0.81 (3.45) | 0.92 (3.63) |
parietal | 0.86 (2.33) | 0.47 (2.86) | 0.72 (3.34) | 0.36 (3.17) | 0.08 (3.08) | 0.14 (3.29) |
CP-N = controlled-processing neutral word for the aversive picture, CP-U = controlled-processing unpleasant word for the aversive picture, and NEU = controlled-processing neutral word for the neutral picture.