In males, some degree of penile erection usually occurs during

A) sex-related dreams.
B) dreams with no sexual content.
C) REM sleep.
D) all of the above
E) both A and C

Answer: D

Psychology

You might also like to view...

Secondary reinforcers are innate

Indicate whether the statement is true or false.

View
Psychology

When a behavior is followed by negative reinforcement, the behavior is likely to

a. extinguish. c. decrease. b. be suppressed. d. increase.

View
Psychology