PSYC 1010 Chapter Notes - Chapter 10: Psychoactive Drug, Pentobarbital, Sympathetic Nervous System

• School: York University
• Department: Psychology
• Course: PSYC 1010
• Professor: Rebecca Jubis

Document Summary

Substance use disorder continued substance craving and use despite significant life disruption and/or physical risk. Psychoactive drug a chemical substance that alters perceptions and moods. Tolerance the diminishing effect with regular use of the same does of the drug, requiring the user to take larger and larger doses before experiencing the drug"s effect. Exception this is not the case with marijuana. Addiction compulsive craving of drugs or certain behaviors (such as gambling) despite known adverse consequences. Withdrawal the discomfort and distress that follows discontinuing an addictive drug or behavior. Depressants drugs that reduce neural activity and slow body functions. Alcohol act as a disinhibitor, slowing brain activity (neural processing) that controls judgment and inhibitions, particularly sexual ones. Studies show even just believing you have consumed alcohol lowers sexual inhibitions. Women lack an enzyme that makes them more susceptible to becoming addicted quicker than men, and are at greater risks for organ damage at lower levels of intake.