Unlike the CS in excitatory conditioning, the CS in inhibitory conditioning
a. initially is presented at low intensity.
b. is presented without the US.
c. is presented following the US.
d. is acquired within one or two trials.
b. is presented without the US.
Answer feedback: To be inhibitory, conditioning must involve the absence of the US. In Exercise 10 the compound CS of the tone and light signaled the absence of electric shock, which otherwise was consistently paired with the light alone. Inhibitory conditioning does not occur necessarily more rapidly than excitatory conditioning does.
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