Recreational Drugs Flashcards
What effect does NICOTINE have?
-Release more nt in response to impulse
-Increased number of impulses
- More dopamine
What effect does COCAINE have?
-Blocks reuptake
- More dopamine in reward system
What effect does CANNABIS have?
-Bind to cannabinoid receptors (blocks activity)
-GABAergic neurons (stop inhibiting)
-Dopamine in reward system so excess
What effects does ALCOHOL have? (1)
-Inhibits nt by increasing GABA
What effect does OPIODS have?
-Reduce GABA so more dopamine in reward system
What is a drug?
-Any chemical that affects the way your body works
-Must be able to pass from body to brain
-Once in brain, changes messages brain cells send each other.
How can drugs lead to addiction?
-Withdrawal occurs when a drug is no longer in CNS
-When brain adapts to changes a drug imposes on it so no longer operates normally