The aperture problem and the research of Wallach revealed that

Question

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The aperture problem in vision science illustrates that local motion signals, which are detected in small "apertures" (or receptive fields) of the visual system, are ambiguous. The research of Wallach showed that to accurately perceive the direction of motion, the visual system integrates these local measurements across a wider area. This integration helps in resolving the ambiguity and understanding the actual direction of motion, supporting the idea that perceived motion is best understood as local measurements that are integrated.

The Aperture Problem and the Research of Wallach Revealed That