Mental rotation and perceptual uprightness
Copyright policy )Mental rotation and perceptual uprightness
Performance in Cooper and Shepard’s (1973) mental rotation task was examined in the context of a model that defined the extent to which alphabet letters could be tilted from their normal orientation and still be perceptually upright. For letters with a broad range of orientations for which they remain perceptually upright, a nonlinear effect of orientation on reaction time was obtained (as in Cooper and Shepard). However, for letters with a narrow range of orientations for which they remain perceptually upright, reaction time was linearly related to orientation. The results supported the hypothesis that subjects in the Cooper and Shepard task would mentally rotate alphabet letters only when they were presented in orientations for which they were not perceptually upright.
- Florida Atlantic University United States
Male, Rotation, Form Perception, Discrimination, Psychological, Mental Processes, Practice, Psychological, Orientation, Reaction Time, Visual Perception, Humans, Female
Male, Rotation, Form Perception, Discrimination, Psychological, Mental Processes, Practice, Psychological, Orientation, Reaction Time, Visual Perception, Humans, Female
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