Drug Effects Why take drugs? How do drugs influence synapses?

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Presentation transcript:

Drug Effects Why take drugs? How do drugs influence synapses? How does addiction occur? Physiology of drug action

Drugs Influence Neural Synapses Marijuana Cocaine Methamphetamine Nicotine Heroin Prozac Morphine Alcohol Caffeine Ecstacy Ritalin Paxil

Drugs Influence Neural Synapses Marijuana Cocaine Methamphetamine Nicotine Heroin Prozac Morphine Alcohol Caffeine Ecstacy Ritalin Paxil

Why Do People Take Drugs? “Pleasure Center”

Why Do People Take Drugs? “Pleasure Center” __________ released into Pleasure Center

Why Do People Take Drugs? “Pleasure Center” __________ released into Pleasure Center So how do drugs relate to this?

Drugs Modify Synaptic Transmission Triggering release of neurotransmitters Decrease neurotransmitter reuptake Act as neurotransmitter

Drugs Addiction is Natural Role of neuronal regulation

Drugs Addiction is Natural Role of neuronal regulation Effect of repeated drug use

Drugs Addiction is Natural Role of neuronal regulation Effect of repeated drug use So what happens when you stop taking the drug?

Physiology of Drug Action