S-S versus S-R

In first-order conditioning

In second-order conditioning

Three way of encoding a S-S relation

Associative learning

Issue of alpha conditioning

Pairing specific enhanced sensitization

Pavlovian conditioning in Aplysia

Protection from habituation

Mechanisms of learning

Disentangling learning from performance

Evidence a backwards CS supports learning (Miller)

Nature of the CR observed varies depending on its temporal relation