Psycho - PowerPoint PPT Presentation

1 / 28
About This Presentation
Title:

Psycho

Description:

drugs that stimulate neural activity, cause accelerated body functions along w ... psychedelic (mind-altering) drugs that distort perceptions and evoke sensory ... – PowerPoint PPT presentation

Number of Views:358
Avg rating:3.0/5.0
Slides: 29
Provided by: Kar9215
Category:
Tags: drugs | psycho

less

Transcript and Presenter's Notes

Title: Psycho


1
Psycho- active Drugs
2
Psychoactive Drugs
  • Alter perceptions
  • Alter feelings

3
Drug Tolerance
  • Tolerance
  • Decrease in effect of a drug with repeated use

4
Drug Dependence
  • Psychological Dependence
  • A psychological need to use a drug
  • Physical Dependence
  • Discomfort and distress following discontinued
    use of an addictive drug
  • Addiction
  • Compulsive drug seeking behavior
  • Control over drug use is lost

5
Reward Pathway
6
Psychoactive Drugs
  • 3 common Classes of Psychoactive Drugs
  • Stimulants
  • Hallucinogens
  • Depressants

7
Stimulants
  • Stimulants (uppers)
  • drugs that stimulate neural activity, cause
    accelerated body functions along w/ elevated
    energy and mood changes, increased alertness, and
    decreased appetite
  • caffeine
  • nicotine
  • amphetamines (speed)
  • cocaine

8
(No Transcript)
9
1
2
3
4
10
(No Transcript)
11
Mild to Severe Effects of Stimulants
From Keith Trujillo lecture notes,
neuropsychopharmacology course
 
12
Hallucinogens
  • psychedelic (mind-altering) drugs that distort
    perceptions and evoke sensory images in the
    absence of sensory input (illusogens)
  • LSD
  • Marijuana
  • Ecstasy
  • Bufotenin (toad licking)
  • Mescaline (peyote)
  • PCP (angel dust)
  • Ketamine (Special K)
  • Ololuiqui (morning glory seeds)
  • Psilocybin (magic mushrooms - psychedelic fungus
    )

13
Hallucinogens THC (marijuana)
  • THC
  • the major active ingredient in marijuana
  • mild hallucinogen
  • amplifies sensitivity to colors, sounds,
    tastes, smells

14
Localization of THC Binding Sites
15
THC (marijuana)
  • can be therapeutic
  • if suffering pain and nausea
  • severe weight loss
  • eye pressure
  • marijuana can relieve symptoms
  • marijuana legalized for those purposes
  • in some states
  • California Arizona, 96

16
(No Transcript)
17
(No Transcript)
18
(No Transcript)
19
(No Transcript)
20
(No Transcript)
21
(No Transcript)
22
(No Transcript)
23
(No Transcript)
24
Depressants
  • Central nervous system depressants-
  • reduce neural activity and slow body functions
    (alcohol, barbiturates, opiates)

25
  • Opiates
  • Drugs that work as
  • analgesics
  • euphorogenics

Morphine
Heroin
26
(No Transcript)
27
Summary
28
end
Write a Comment
User Comments (0)
About PowerShow.com