first developed by U.S. psychologist Roger Newland Shepherd where participants must make a subjective decision about a stimulus which are rotated by a degree clockwise or anticlockwise compared to their normal orientations.

MENTAL ROTATION: "Psychologists have devised an experiment which tests mental rotation by utilizing stimuli which trigger subjective decisions. "
Cite this page: N., Pam M.S., "MENTAL ROTATION," in, April 7, 2013, (accessed April 19, 2021).