ed by solid geometry (slant, curvature, edge, corner) did not seem any more complex to introspection than the solely visible features of things abstracted by plane geometry (triangle, square,… (More)
The term "perceptual learning" means different things to different psychologists. To some it implies that human perception is, in large part, learned—that we learn to see depth, for instance, or… (More)
Having rejected the picture theory of natural perception we can make a start on picture perception. To see the environment is to extract information from the ambient array of light. What is it, then,… (More)
The approach of an object corresponds with a spatiotemporal optical stimulus consisting of a symmetrical expansion of a closed contour in the field of view. The visual equivalent of impending… (More)