Lecture Notes: Psychoactive Drugs - Hallucinogens

Introduction to Hallucinogens

Hallucinogens cause users to experience hallucinations or sensations that aren't real.
They lead to altered perceptions and feelings.
There are multiple types with varying physiological effects.
Some have medical uses.

Straddles between stimulants and hallucinogens.
Stimulant Effects:
- Increases dopamine and serotonin.
- Leads to euphoria.
- Stimulates the central nervous system.
- Can cause high blood pressure, dehydration, overheating (potentially fatal).
Neurological Effects:
- Damage to serotonin-producing neurons.
- Can cause permanently depressed mood due to decreased serotonin.
Hallucinogen Effects:
- Causes hallucinations and heightened sensations.
- Artificial feeling of social connectedness and intimacy.

Considered a mild hallucinogen.
Active Chemical: THC (Tetrahydrocannabinol).
- Heightens sensitivity to colors, sounds, tastes, and smells.
Effects Similar to Alcohol:
- Reduces inhibition.
- Relaxes the central nervous system.
- Impairs motor coordination and perceptual skills.
- Disrupts memory formation and short-term recall.
Duration in Body: Stays up to a week, leading to reduced tolerance over time.
Medical Uses:
- Pain and nausea relief.
- Requires weighing side effects against benefits.

Treatment for PTSD.
Mechanism:
- Allows accessing painful memories without strong emotional reactions.
- Facilitates coming to terms with traumatic memories in a controlled way.

Remember, understanding the effects and potential uses of hallucinogens can aid in making informed decisions regarding their use and implications.