vestibular sacs

two sacs in the inner ear—the utricle and saccule—that, together with the semicircular canals, comprise the vestibular apparatus (see also vestibular system). The vestibular sacs respond both to gravity to encode information about the head’s orientation and to linear acceleration.

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Psychology term of the day

November 18th 2024

trend study

a longitudinal design in which data are collected at periodic intervals on samples drawn from a particular population and are used to reveal trends (systematic tendencies or patterns) over time.