psychoactive Drugs & Addiction Flashcards
Psychoactive Drug
Is a chemical that changes our states of consciousness, and particularly our perception and moods
Agonist
Drug that binds to receptors in the brain and activate the receptors they bind to
Antagonists
Drugs that occupy receptors but do not activate them Antagonists block receptor activation by agonists
Blood Brain Barrier
The blood-brain barrier serves a filter, controlling which molecules can pass from the blood into the brain
Tolerance
Occurs when the body gets used to a medication so that either more medication is needed to give the desired effect, or a different medication is needed. Depending on the drug, tolerance can develop acutely, in a manner of days, or chronically, over a number of weeks or months
Physical dependence
Occurs when people suffer from withdrawal symptoms, unpleasant and sometimes dangerous reactions that may occur when people who use a drug regularly stop taking or reduce their dosage of drug
Psychological Dependence
Cognitive and emotional aspects of addictive behaviors or the withdrawal process from drugs
Addiction
People who have a drug addiction sometimes experience compulsive, sometimes uncontrollable, craving for their drug of choice
Rat Park Addiction
Depressants
Slow the activity of the central nervous system. They reduce tension and inhibitions and may interfere with a person’s judgment, motor activity, and concentration
Alcohol
Any beverage containing ethyl alcohol including beer, wine, and liquor
Sedative Hypnotic Drugs
A drug used in low doses to reduce anxiety and in higher doses to help people sleep
Opiods
Opium or any of the drugs derived from opium, including morphine, heroin, and codeine
Barbiturates
Addictive sedative-hypnotic drugs that reduce anxiety and help people sleep
Benzodiazepines
The most common group of anti-anxiety drugs, which includes Valium and Xanax