The Cascade Theory of Reward Suggests That

The cascade theory of reward suggests that:

A) alcoholism and many other addictive, impulsive behaviors have the same underlying cause.
B) people with a particular serotonin receptor abnormality experience behavioral rewards differently than normal people because reward centers in the limbic system fail to receive the appropriate neurotransmitters.
C) issues in the prefrontal cortex and reticular activating system (RAS) cause impulsivity and aggression.
D) all of the above.
E) none of the above.