PSB-2000 Lecture Notes - Lecture 11: Cross-Tolerance, Hypothermia, Gaba Receptor Agonist
Document Summary
Lecture 11 - drug addictions & brain"s neural circuits (cont. ) How does naloxone affect neural activity: opioid receptor antagonists. A. 2. blocks or inhibits these receptors can reverse heroin overdose or od from other drugs. Od caused by too much binding to receptors. A. 3. because of affect > available to public to save lives. What kinds of prescription (rx) drugs are abused and what do they do: opioids. C. 2. a) inhibitory: about of rx painkiller deaths include one or more than one other drug(s) What effect does alcohol have on neural activity and what is alcoholism: alcohol = powerful depressant that inhibits neural activity. A. 4. a bld alcohol level of . 5% = fatal b/c causes respiratory depression it"s not a stimulant; it decreases neural activity in the prefrontal cortex (so it causes you to take more risky actions. A. 5. also works on dopamine + opiate systems (including n. accumbens)
