Larry gets intense sexual arousal from cross dressing. What is Larry's diagnosis?

This is an example of

a. post-facto research b. experimental research c. correlational research d. none of these

Recent research suggests that during the transition from initial drug taking to habitual drug taking

A) there are impairments in the function of prefrontal cortex. B) the control of drug taking is shifted from the nucleus accumbens. C) the control of drug taking is shifted to the dorsal striatum. D) all of the above E) none of the above