look angle

in ergonomics, the direction in which the operator looks during task performance. The goal is to design equipment and workstations in such a way that the viewing angle is central or forward rather than requiring head movements or eye glances to the left or right. See also head-up display.

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Psychology term of the day

May 2nd 2024

papilla

n. (pl. papillae) any of the four types of swellings on the tongue. In humans, some 200 fungiform papillae are toward the front of the tongue; 10 to 14 foliate papillae are on the sides; 7 to 11 circumvallate papillae are on the back; and filiform papillae, with no taste function, cover most of the tongue’s surface. Also called lingual papilla.