How science has revolutionized the understanding of drug addiction for much of the past century scientists studying drugs and drug use labored in the shadows of powerful myths and misconceptions about the nature of addiction when scientists began to study addictive behavior in the 1930s people addicted to drugs were thought to be morally flawed and lacking in willpower. Psychoactive drugs are chemical substances that when consumed alter neurochemical processes in the brain and hence produce changes in behavior and experience drugs of this type are typically classified along a number of somewhat overlapping dimensions their overall pharmacological effects eg . For courses in drugs and behavior a contemporary survey of behavioral pharmacology drugs and behavior an introduction to behavioral pharmacology provides a clear overview of this intriguing discipline as it helps students understand human behaviors and reflect on developments in the field taking over from longtime author william mckim and . Learn drugs and behavior with free interactive flashcards choose from 500 different sets of drugs and behavior flashcards on quizlet. As time goes on the body needs more of the drug to feel the same high as before this effect is known as tolerance and it can be especially dangerous in the cases of drugs like heroin and cocaine the effects of drugs on the brain dont just end when the drug wears off when a person stops taking a drug dopamine levels remain low for some
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