Module 1.3B Flashcards
Psychoactive Drug
A chemical substance that alters the rain, causing changes in perceptions and moods.
Substance use disorder
A disorder characterized by continued substance use despite resulting life disruption.
Depressants
Drugs that reduce neural activity and slow body functions.
Tolerance
The diminishing effect with regular use of the same dose of a drug, requiring the user to take larger and larger doses before experiencing the drug’s effect.
Addiction
An everyday term for compulsive substance use (and sometimes for dysfunctional behavior patterns, such as out-of-control gambling) that continue despite harmful consequences.
Withdrawal
The discomfort and distress that follow discontinuing an addictive drug or behavior.
Barbiturates
Drugs that depress central nervous system activity, reducing anxiety but impairing memory and judgement.
Opioids
Opium and its derivatives; they depress neural activity, temporarily lessening pain and anxiety.
Stimulants
Drugs that excite neural activity and speed up body functions.
Hallucinogens
Psychedelic drugs that distort perceptions and evoke sensory images in the absence of sensory input.
Near-death experience
An altered state of consciousness reported after a close brush with death; often similar to drug-induced hallucinations.