Drugs: Engage Hyperlink:

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States of Consciousness

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Presentation transcript:

Drugs: Engage Hyperlink:

Agonists Agonists (mimic) Antagonists Antagonists (block) Reuptake inhibitors If a drug is used often, a tolerance is created for the drug. Thus you need more of the drug to feel the same effect. withdrawal symptoms. If you stop using a drug you can develop withdrawal symptoms.

Agonists: Agonists: Mimic Reuptake inhibitors Antagonist s Antagonist s: Blocks Reuptake inhibitors antagonists-episode-18/

Psychoactive Drug: of altering behavior : Psychoactive Drug: Substance capable of altering behavior : Stimulant: Substance that increases activity in body and nervous system Stimulant: Substance that increases activity in body and nervous system Depressant: decreases Depressant: Substance that decreases activity in body and nervous system Hallucinogen: Substance that alters or distorts sensory perceptions Hallucinogen: Substance that alters or distorts sensory perceptions

Psychoactive Drug: of altering behavior Psychoactive Drug: Substance capable of altering behavior Examples include tobacco, alcohol, cannabis, amphetamines, ecstasy, cocaine, and heroine ndex.html Visit the following to see what psychoactive drugs do in your brain:

Speed up body processes. More powerful ones (like cocaine) give people feelings of invincibility. The most popular stimulants are cocaine and methamphetines. Others are nicotine, speed, and caffeine.

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Causes hand tremors, sweating, talkativeness, tinnitus, suppresses fatigue or sleepiness, increases alertness Caffeinism: Physiological dependence on caffeine Withdrawal: Withdrawal: Insomnia, irritability, loss of appetite, chills, racing heart, elevated body temperature Stimulants

Natural stimulant found mainly in tobacco May cause stomach pain, vomiting, diarrhea, confusion, tremors Highly Addictive Responsible for 97% of lung cancer deaths in men, 74% in women

Slows down body processes. Alcohol Anxiolytics (barbiturates and tranquilizers)

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Has depressive and hallucinogenic qualities. Agonist for endorphins. Derived from poppy plant. Morphine, heroin, methadone and codeine. All these drugs cross the placental barrier….teratogens.

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