A crucial test
Set up a second-order conditioning experiment:
- CS1(light) + US1 (food) ---> UR1(salivation)
- Test: CS1 (light) ---> CR1 (salivation)
- CS2(buzzer) + CS1(light) ---> CR1(salivation)
- Test: CS2 (buzzer) ---> CR1 (salivation)
- Then: CS1 (light) + US2(shock) ---> UR2(leg lift)
- Test: CS2 --->