1 / 20

Drugs and Consciousness

Drugs and Consciousness. Altered States of Consciousness. Define Psychoactive Drugs. Chemical substances that change moods, perceptions, behaviors, and consciousness. Substance Abuse refers to. A pattern of drug use that:

nara
Download Presentation

Drugs and Consciousness

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Drugs and Consciousness Altered States of Consciousness

  2. Define Psychoactive Drugs • Chemical substances that change moods, perceptions, behaviors, and consciousness

  3. Substance Abuse refers to • A pattern of drug use that: • diminishes one’s ability to fulfill responsibilities at home, at work, or at school; • that results in the repeated use of a drug in dangerous situations; • or that leads to legal difficulties related to drug use.

  4. Substance Dependence (Addiction) refers to • The ongoing abuse of drugs that leads to compulsive use of the substance.

  5. Tolerance refers to • Higher doses of a drug are required to produce the original effects.

  6. Physical Dependence refers to • A condition in which a person has physically adapted to a drug so that he or she must take the drug regularly in order to avoid withdrawal symptoms

  7. Withdrawal refers to • The unpleasant physical or psychological effects following discontinued used of a substance

  8. Drug Rebound Effect • Withdrawal symptoms are often the opposite of the drug’s action

  9. Do I Have A Drug Problem? • Dependence is defined by exhibiting three of the following seven symptoms over a 12-month period of time

  10. Developing tolerance • Experiencing withdrawal symptoms when attempting to stop • Using a substance for a longer period, or in greater quantities, than originally intended • Making repeated attempts to stop or cut-back on drug usage

  11. Devoting a great deal of time attempting to obtain or use a substance • Giving up or reducing social, occupational, or recreational activities as a result of drug use • Continuing to use a substance even after negative physical or psychological effects have occurred, or will continue to occur with usage

  12. Depressants • Chemicals that slow down behavior or cognitive processes; inhibit central nervous system activity; relieve anxiety, lower inhibitions, lowers pain; affects the brain areas especially responsible for arousal, wakefulness and alertness, coordination • Including: Alcohol, Barbiturates, Tranquilizers, Opiates (Heroin)

  13. Stimulants • Drugs that stimulate the nervous system and produce feelings of optimism and boundless energy, arouse behavior, and increase mental awareness; stimulates the cerebral cortex especially • Including: Caffeine, Nicotine, Amphetamines (Speed, Ecstasy), Cocaine

  14. IE. Cocaine • Cocaine blocks the reuptake of dopamine (pleasure), norepinepherine (energy), and serotonin (arousal), so the feelings generated by those neurotransmitters intensifies as they linger in the synapse longer

  15. Psychedelics/Hallucinogens • Drugs that distort visual and auditory perception • Including: LSD, Mescaline, Peyote, Marijuana

  16. Why is marijuana considered a hallucinogen? • It relaxes, disinhibits, and may cause a euphoric high like alcohol, but it may also amplify sensitivity to colors, sounds, tastes, and smells

More Related