Behavioural principles: classical conditioning

The slide shows the now-classic experiments that Pavlov performed on dogs to demonstrate the ideas of conditioning.^1,2 By pairing a bell with repeated exposure to food, the conditioned dogs would then salivate on hearing the bell, expecting the food.^1,2

References:

1. Yerkes RM, Morgulis S. The method of Pawlow in animal psychology. Psychological Bulletin 1909; 6 (8): 257–273.
2. LeDoux J. The emotional brain, fear, and the amygdala. Cell Mol Neurobiol 2003; 23 (4–5): 727–738.