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Psych CH 3. Drugs
Drugs vocab
| Question | Answer |
|---|---|
| Psychoactive Drugs | Chemical substance that alters brain, and changes perceptions and moods |
| Psychoactive Drugs examples | Depressants, stimulants, hallucinogens |
| Depressants | Drugs that reduce neural activity and slow body functions |
| Depressant examples | Alcohol, barbiturate, opiods |
| Alcohol | Depressant= Disinhibitor , slows nervous system, disrupts memory, reduces self awareness |
| Barbiturate | Depressant= Depress, reduce anxiety, impair memory and judgement and tranquilizer |
| Opiods | Depressant= Depress CNS, temporarily lessen pain and anxiety |
| Stimulants | Excite neural activity, speed up body functions (caffeine, ecstasy) |
| Nicotine | Stimulants |
| Cocaine | Stimulant= temporarily increases alertness/euphoria |
| Methamphetamine | Stimulant= stimulates CNS |
| Ecstasy | Stimulant= produces euphoria, social intimacy |
| Hallucinogens | Psychedelic drug, distorts perception, evokes sensory images |
| LSD | Hallucinogen |
| Marijuana | Hallucinogen= relaxation, relief of pain |
| Tolerance | Brain adapts to drug, and user needs to take more for desired effects |
| Substance use disorder: when do symptoms begin? | 6-12 hrs (short acting) and 30 hrs (long acting) |
| SUD: When do symptoms peak? What are symptoms? | 72 hrs (nausea, vomiting, cramps, diarrhea, depression) |
| Substance use disorder | Disorder by continues substance use despite significant life disruption |
| When does brain increase dopamine? What pathway? | When rewarded, pathway mesolimbic dopamine |
| How does brain release dopamine? | Pathway starts in ventral tegmental area, connects to nucleus accumbent, drug activates VA which signals NA to release dopamine |
| Behavioral Addicions | ED, gambling, exercise, shopping, hoarding, relationships |