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intrafusal fiber

a small muscle fiber, 2 to 12 of which are located within each muscle spindle. Intrafusal fibers are sensitive to stretching and muscle tension and are connected to the stretch receptors. Compare extrafusal fiber.

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Psychology term of the day

October 18th 2024

social representation

social representation

a system, model, or code for unambiguously naming and organizing values, ideas, and conduct, which enables communication and social exchange (i.e., at the levels of language and behavior) among members of a particular group or community. [term coined and theory elaborated by Romanian-born French psychologist Serge Moscovici (1925–  )]