Examlex
The smallest change in stimulation that can be detected 50 percent of the time is called the __________.
Flashbacks
Sudden and intense memories of past experiences, often traumatic, that invade the present consciousness, making the person feel as if they're reliving the past.
Narcotic
A drug affecting mood or behavior and sold for nonmedical purposes, often used to induce sleep or relieve pain.
Heroin
An opioid drug derived from morphine, highly addictive, and illegal, often used for its euphoric effects.
Cocaine
A powerful and addictive stimulant drug derived from the coca plant, which directly affects the brain’s reward pathways.
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