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Chemistry, not moral failing, accounts for the brain’s unwinding. In the laboratories that study drug addiction, researchers have found that the brain becomes conditioned by the repeated dopamine rush caused by heroin. “The brain is not designed to handle it,” said Dr. Ruben Baler, a scientist with the National Institute on Drug Abuse.
He showed that an individual's expectations, his psychological set and his social milieu interact to produce the effects on behavior that we observe. Equally important, Norman Zinberg helped us explain why an addictive drug affects a person differently at different times and how it affects various people in different ways."
Psychological dependence develops through consistent and frequent exposure to a stimulus. After sufficient exposure to a stimulus capable of inducing psychological dependence (e.g., drug use), an adaptive state develops that results in the onset of withdrawal symptoms that negatively affect psychological function upon cessation of exposure.
Substance dependence, also known as drug dependence, is a biopsychological situation whereby an individual's functionality is dependent on the necessitated re-consumption of a psychoactive substance because of an adaptive state that has developed within the individual from psychoactive substance consumption that results in the experience of withdrawal and that necessitates the re-consumption ...
Heroin, also known as diacetylmorphine and diamorphine among other names, [1] is a morphinan opioid substance synthesized from the dried latex of the opium poppy; it is mainly used as a recreational drug for its euphoric effects. Heroin is used medically in several countries to relieve pain, such as during childbirth or a heart attack, as well ...
In psychopharmacology, researchers are interested in any substance that crosses the blood–brain barrier and thus has an effect on behavior, mood, or cognition. Drugs are researched for their physiochemical properties, physical side effects, and psychological side effects.
An addictive personality refers to a hypothesized set of personality traits that make an individual predisposed to developing addictions.This hypothesis states that there may be common personality traits observable in people suffering from addiction; however, the lack of a universally agreed upon definition has marked the research surrounding addictive personality.
Self-efficacy refers to one's ability to deal competently and effectively with high-risk, relapse-provoking situations. Outcome expectancy refers to an individual's expectations about the psychoactive effects of an addictive substance. Attributions of causality refer to an individual's pattern of beliefs that relapse to drug use is a result of ...