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stimulant

n. any of various agents that excite functional activity in an organism or in a part of an organism. Stimulants are usually classified according to the body system or function excited (e.g., cardiac stimulants, respiratory stimulants). In psychology, the term usually refers to the CNS stimulants (or psychostimulants).

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Psychology term of the day

April 26th 2024

advantage by illness

advantage by illness

see secondary gain.