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states_of_consciousness

Negative emotions dependence and addiction tolerance

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Unformatted text preview: sychological need to use a drug *for example, to relieve negative emotions Dependence and Addiction *Tolerance *diminishing effect with regular use *Withdrawal *discomfort and distress that follow discontinued use discomfort Psychoactive Drugs Psychoactive *Depressants *drugs that reduce neural activity * alcohol, barbiturates, opiates *slow body functions slow Psychoactive Drugs Psychoactive *Alcohol *affects motor skills, judgment, and memory *reduces self awareness *Barbiturates *drugs that depress the activity of the central nervous system, reducing anxiety but impairing memory and judgment anxiety Psychoactive Drugs *Opiates *opium and its derivatives (morphine and heroin) *opiates depress neural activity, temporarily lessening pain and anxiety *highly addictive Psychoactive Drugs *Stimulants *drugs that excite neural activity drugs *caffeine, nicotine, amphetamines, cocaine caffeine, *speed up body functions The Physiological Effects of Nicotine Psychoactive Drugs *Amphetamines *drugs that stimulate neural activity, causing speeded-up body functions and associated energy and mood changes associated *caffeine, nicotine, cocaine, and Ecstasy Psychoactive Drugs *Cocaine *effects depend on dosage, form, expectations, personality and situation *coca leaves *powder *crack crack Cocaine Eupho...
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