According to the Focus on Neuroscience Box "The AddictedBrain" One

According to the Focus on Neuroscience box "The AddictedBrain" one psychological effect of the physical changes that occur as a result of addiction to alcohol, heroin, cocaine, or amphetamines is that:

A) anxiety creates a vicious circle of insomnia and sleeplessness.
B) positive events in normal life are no longer reinforcing or satisfying.
C) people make poor decisions because of damage to the frontal lobes.
D) inhibitions are lowered and there is a general loss of social self-consciousness