Pairing the conditioned stimulus and the unconditioned stimulus on only a portion of the learning trials is called ______

After several nights of REM-sleep deprivation, penile erections often

A) do not occur during sleep. B) become difficult to achieve during wakefulness. C) begin to occur during SWS. D) make it difficult to get back to sleep. E) become embarrassing.

Psychologist Diana Woodruff-Pak noticed disordered eyeblink conditioning in patients six years before other tests showed any declines in memory, judgment, language, and thinking abilities associated with

a. multiple sclerosis. b. dementia. c. terminal cancer. d. bipolar disorder.