1. CLASSICAL CONDITIONING
 Factors that affect conditioning
 Generalization—when a stimulus similar to the CS
(higher pitched bell) also elicits the CR (salivation), even
if it has never been paired with the UCS (food)
Image credit: Pearson Scott Foresman

2. CLASSICAL CONDITIONING
 Factors that affect conditioning
 Discrimination—when a CR (salivation) is made to one
stimulus (higher pitched bell) but not to another similar
stimulus (lower pitched bell)

3. CLASSICAL CONDITIONING
 Factors that affect conditioning
 Extinction—the decline and eventual disappearance of
the CR (salivation); occurs by repeatedly presenting the
CS (bell) in the absence of the UCS (food)
 You can think of it as weakening/
breaking the association

4. CLASSICAL CONDITIONING
 Factors that affect conditioning
 Spontaneous recovery
 Reappearance of an
extinct CR (salivation) after
a period of time with no
exposure to the CS (bell)
Figure credit: Hockenbury, D.H. & Hockenbury, S.E. (2011).
Discovering Psychology (5th ed.) p. 118. New York: Worth.