Table 1. IAPS codes for target pictures in each valence and arousal level.
| Negative valence | Neutral valence | Positive valence | |
|---|---|---|---|
| Medium arousal | 1230 (Spider) | 1121 (Lizard) | 1463 (Kittens) |
| 1270 (Roach) | 1313 (Frog) | 1540 (Cat) | |
| 1275 (Roaches) | 1947 (Octopus) | 1590 (Horse) | |
| High arousal | 1019 (Snake) | 1560 (Hawk) | 1650 (Jaguar) |
| 1205 (Spider) | 1640 (Coyote) | 1710 (Puppies) | |
| 1301 (Dog) | 1726 (Tiger) | 1720 (Lion) |