1.3 Psychoactive Drugs Notes
Psychoactive Drug: A chemical that changes our states of
consciousness, and particularly our perceptions and moods.
Blood-Brain Barrier: A barrier that prevents or allows certain structures
from entering the brain. Psychoactive drugs are able to pass this barrier.
Station 1: Overview of Drugs
What are the 3 ways that psychoactive drugs interact with
neurotransmitters?
Block reuptake
Tolerance changes
Blocks NTs (Agonist vs. Antagonist)
Key Definitions:
Tolerance: Adjust to counteract effects.
Withdrawal: Symptoms associated without a drug.
Addiction: Compulsive, uncontrollable craving for a drug.
Stations 2–5: Drug Classifications and Effects
Drug Category of Is it used Effects on Brain
Drug medically? and
Neurotransmitters
Psychoactive Drug: A chemical that changes our states of
consciousness, and particularly our perceptions and moods.
Blood-Brain Barrier: A barrier that prevents or allows certain structures
from entering the brain. Psychoactive drugs are able to pass this barrier.
Station 1: Overview of Drugs
What are the 3 ways that psychoactive drugs interact with
neurotransmitters?
Block reuptake
Tolerance changes
Blocks NTs (Agonist vs. Antagonist)
Key Definitions:
Tolerance: Adjust to counteract effects.
Withdrawal: Symptoms associated without a drug.
Addiction: Compulsive, uncontrollable craving for a drug.
Stations 2–5: Drug Classifications and Effects
Drug Category of Is it used Effects on Brain
Drug medically? and
Neurotransmitters
