Psychoactive Drugs
The nature of Drug Dependence:
Psychoactive drugs alter perceptions and moods. Continued use of these drugs produces tolerance (requiring larger doses to achieve the same effect) and may lead to physical or psychological dependence.
What is a psychoactive Drug?
A psychoactive drug is a chemical substance that alters perceptions and mood.
Main categories of Psychoactive drugs:
- Stimulants
- Hallucinogens
- Depressants
How Psychoactive Drugs interfere with neurotransmitters in the brain:
Psychoactive Drugs stimulate,, inhibit, and mimic the activity of neurotransmitters at synapses in the brain.