PSYB65H3 Chapter Notes - Chapter 6: Dopamine Agonist, Nicotinic Acetylcholine Receptor, Botulinum Toxin
Document Summary
Chapter 6: how do drugs and hormones influence the. Stimulants center on learning at synapse through habituation and sensitization. Studying effects of drug on the brain: numerous sites of drug action exist due to variety in neurotransmitters and receptors, most drugs act on many sites instead of a single neurotransmitter system, most receptors have many variations. Individual differences among people (age, sex, genetic makeup, height, weight) affect how drugs work. Drugs: chemical compounds given to change something in the brain or body, uses: diagnose, prevent, or treat illnesses, relieve pain and suffering, or improve adverse psychological condition. Weak acids pass from the stomach to blood, while weak bases pass from the intestines to blood. Inhaled through lungs: gases or aerosols absorbed from cell lining of respiratory tract, absorbed into bloodstream upon inhalation, few barriers to brain, rectal administration via suppository.
