ESS 3 Lecture Notes - Lecture 4: Caffeine, Clonidine, Psychological Dependence
Document Summary
Read pages 1-6 and 8 in chapter 9. Body forced to change and adapt and develops tolerance to the substance being used. Original protecive mechanisms increase amount a user needs to get same high, for instance a meth high, where body tries to protect heart rate. User must cross certain level of use for development of tolerance to accelerate. Usually returns to normal once the user stops taking the drug. Allostaic state: altered state of balance that maintains the stability of biological systems by coninued exposure to drugs. Resets normal homeostaic levels and homeostaic mechanisms to withstand chemical stressors. Someimes the issues and organs become dependent on the drug to stay funcional. First sign of issue dependence is withdrawal when the drug is removed. A issue dependence one drug creates a dependence on other drugs. Users rely on drugs emoionally and physically. Drugs alter consciousness, distort percepions and change emoions.
