Evidence suggests that chronic drug use causes the brain of abusers to be _____ responsive to natural reinforcers,and _____ responsive to the presence of drugs with respect to dopamine transmission.

Question

Quizplus · Accepted Answer

Chronic drug use causes the brain to become less responsive to natural reinforcers, meaning that the individual may have diminished pleasure and motivation from things that used to feel enjoyable. At the same time, the brain becomes more responsive to the presence of drugs, specifically with respect to dopamine transmission, which is the neurotransmitter responsible for reward and reinforcement. This leads to a cycle of increased drug use to achieve the desired effect, while natural rewards become less satisfying.

Evidence Suggests That Chronic Drug Use Causes the Brain of Abusers