Table 1.

Trial composition for training and transfer sessions

PhaseNumber of presentationsCuesOutcome
PavlovianInstrumental
110S1O1
S2O2
S3O3
S4ON
26R1R2O1O2
R1R3O1ON
R1R4O1ON
R2R3O2ON
R2R4O2ON
R3R4ONON
310S1O1
S2O2
S3O3
S4ON
15R1R2O1O2
R1R3O1ON
R1R4O1ON
R2R3O2ON
R2R4O2ON
R3R4ONON
425S1R1R2
S2R1R2
S3R1R2
S4R1R2
S4R3R4
  • S1–S4, Visual cues; R1–R4, four button response actions; O1–O3, liquid rewards; ON, affectively neutral, tasteless control solution.