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In this activity, we have discussed how the brain is affected by taking different types of drugs.

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Even though there are several types of drugs, the effects all happen at the level of the synapse.

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Drugs that increase the activity at a synapse are called agonists

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and drugs that decrease activity at a synapse are antagonists.

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Caffeine and cocaine are examples of stimulants that increase the activity of the central nervous system.

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Alcohol is a depressant which means that its primary effect is to slow down the activity of the central nervous system.

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LSD and Marijuana are hallucinogens which alter perceptions and thought processes.

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Morphine and heroin are opiates which mean the drugs have their roots in the opium poppy.

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These drugs block pain and create euphoria.

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Antipsychotics and antidepressants are drugs that are used to treat symptoms of of different psychological disorders.

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Antipsychotics are used to help with schizophrenia and antidepressants are used with depression.