BIOL 4309 Chapter Notes - Chapter 9: Tachycardia, Addiction, Psychological Dependence
Document Summary
Drug addiction a neurobiological disease where the individual is physically, mentally, (or both) dependent on many types of addictive drugs. Dependence - they behave in a way where if they stop or reduce drug use, the patient will suffer from withdrawal and/or tolerance symptoms. Drug addiction can be seen from two categories of dependence: physical dependence - defined by the appearance of physical withdrawal symptoms when the substance is suddenly discontinued or reduced. Withdrawal motivates the individual to reinstate drug use. Cocaine, marijuana, opiates, amphetamines, benzodiazepines, barbituates, alcohol, and nicotine can induce physical dependence. Not considered addictive but share this category: cortisone, b-blockers and most antidepressants: psychological dependence mind dependence that mentally behaves the compulsive nature of drug seeking (wanting), because the patient wants the drug. Drug craving (wanting) the strong urge to take the drug. Psychological dependence is a chronic, relapsing disorder. Characterized by repeated periods of remission with many shifts (relapse).
