Loading presentation...

Present Remotely

Send the link below via email or IM

Copy

Present to your audience

Start remote presentation

  • Invited audience members will follow you as you navigate and present
  • People invited to a presentation do not need a Prezi account
  • This link expires 10 minutes after you close the presentation
  • A maximum of 30 users can follow your presentation
  • Learn more about this feature in our knowledge base article

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.

DeleteCancel

Psychoactive Drugs

description
by

Jack Yan

on 12 February 2010

Comments (0)

Please log in to add your comment.

Report abuse

Transcript of Psychoactive Drugs

Psychoactive Drug What is a Psychoactive Drug? It is a chemical substance acts upon central nervous systems Alter Brain Function Changes mood behavior consciousness Have negative effects Anesthesia Examples LSD cannabis Stimulants are psychoactive drugs which induce temporary improvements in mental or physical function Caffeine
Nicotine
Amphetamines MDMA ("Ecstasy") Cocaine Such as Why is it Addictive?
it stimulates the brain's dopaminergic reward system The pleasurable activity can lead to psychological addiction. it directly stimulate the dopaminergic system CAUSE EXTREME ADDICTION Effects of Stimulants enhances alertness awareness endurance productivity motivation increases movement heart rate blood pressure and diminishes the requirement of food and sleep Depressants temporarily diminish the function or activity of a specific part of the body or mind effects anxiolysis (lowering anxiety) memory impairment muscle relaxation lowered heart rate/blood pressure Types of Depressants alcoholic beverages antihistamines antipsychotics beta blockers muscle relaxants a drug that treats allegies treats psychosis treats heart problems THE END
Full transcript