Disconnection syndrome occurs when various modules in a network ____ and are prevented from ____

Regarding difficulties in treatment for heroin abuse, short-term effects of heroin are to withdrawal as long-term effects are to

a) craving b) organ damage. c) withdrawal. d) dependence.

Quentin has been institutionalized due to schizophrenia. He often stands immobile in odd postures for long periods of time. Sometimes when he does this, his limbs may stick out into a walkway, but the staff finds it very easy to move his arms out of the way. In fact, he continues to hold the posture in which they move him. In doing so, Quentin is displaying

a. waxy flexibility. b. disorganized behavior. c. stereotypy. d. echopraxia.