Table 1.
Trial composition for training and transfer sessions
| Phase | Number of presentations | Cues |
Outcome | |||
|---|---|---|---|---|---|---|
| Pavlovian | Instrumental | |||||
| 1 | 10 | S1 | O1 | |||
| S2 | O2 | |||||
| S3 | O3 | |||||
| S4 | ON | |||||
| 2 | 6 | R1 | R2 | O1 | O2 | |
| R1 | R3 | O1 | ON | |||
| R1 | R4 | O1 | ON | |||
| R2 | R3 | O2 | ON | |||
| R2 | R4 | O2 | ON | |||
| R3 | R4 | ON | ON | |||
| 3 | 10 | S1 | O1 | |||
| S2 | O2 | |||||
| S3 | O3 | |||||
| S4 | ON | |||||
| 15 | R1 | R2 | O1 | O2 | ||
| R1 | R3 | O1 | ON | |||
| R1 | R4 | O1 | ON | |||
| R2 | R3 | O2 | ON | |||
| R2 | R4 | O2 | ON | |||
| R3 | R4 | ON | ON | |||
| 4 | 25 | S1 | R1 | R2 | ||
| S2 | R1 | R2 | ||||
| S3 | R1 | R2 | ||||
| S4 | R1 | R2 | ||||
| S4 | R3 | R4 | ||||
S1–S4, Visual cues; R1–R4, four button response actions; O1–O3, liquid rewards; ON, affectively neutral, tasteless control solution.