Psychology 3.2

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How do stimulants increase alertness, energy, and activity?

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How do stimulants increase alertness, energy, and activity?

It increases dopamine receptors

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List examples of stimulants

Amphetamine, methamphetamine, cocaine, Adderal, Ritalin, and caffeine

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Risks/physical effects of stimulants

  • Confusion, impaired attention, and impulses (high doses)

  • Blocks pre-synaptic neuron from reuptaking

  • Increases heart rates

  • Increases respiratory rates

  • Increases blood pressure

  • Increases temperature

  • Convulsion

  • Liver damage

  • Increased heart attack (MI)

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How can stimulants be beneficial?

Increase energy, alertness, and activity as well as enhancing attention (given low doses)

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How do hallucinogens work?

They induce sensory distortions (hallucinations) by acting at the serotonin synapse

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Risks/physical effects of hallucinogens

  • Emotional changes

  • Dream like state/mystical experience

  • Increase risk for abuse

  • Anxiety

  • Increase heart rate

  • Increase blood pressure

  • Increase body temperature

  • Increase respiratory rate

  • Hallucinations

  • Seizures

  • Diarrhea

  • Intensive vomiting

  • Death

  • Skin peeling

  • Coma

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How do depressants work?

Increases GABA transmission at inhibitory synapses

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Risks/physical effects of depressants

  • Increase risk taking

  • Increase aggression

  • Poor decision

  • Suppression of fear

  • Decrease heart rate

  • Organ damage

  • Memory loss

  • Coma

  • Death

  • Vomit

  • Drowsiness

  • Clumsiness

  • Wernicke korsikorfs dementia

  • High risk pregnancy

  • Vomit

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Benefits of depressants

Decrease anxiety and helps relax

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What are 3 examples of narcotics

  • Morphine

  • Heroine

  • Codeine

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How does narcotics work?

Binds to endorphin receptors in the brain to block pain

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What's the difference between THC and CBD regarding marijuana?

CBD doesn't get you high and not a psychoactive while THC gets you high and is a psychoactive

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Examples of when dopamine is stimulated naturally

  • Sex

  • Certain foods

  • Gambling

  • Music

  • Video games

  • Shopping

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What do inhibitions do for us?

Allow people to make the right decisions in a situation because they know the consequence of that action. (ex. taking drugs or smoking)

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How can drugs affect "normal" behavior?

They take away our inhibitions which prevents us from making logical and right decisions in certain situations.

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Why are teenagers more susceptible to drugs?

The brain is not fully developed yet and drugs can affect the growth and development of the brain in the long run

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