Excerpt from A Text-Book of Psychology, Vol. 2<br><br>We may imagine, then, that the untrained eye sees the landscape as we ourselves see the field of the closed eyes. But the landscape is not uniform there is usually a marked difference between what is above and what is below the horizon; and the lower portion is variegated, made up of patches of colour which, at least in many cases, contrast with one another. The landscape is also, to a certain de gree, in movement: clouds travel across the sky, and living creatures move about beneath the sky. Visual expanse, as the world of spatial stimuli is constituted, thus contains within itself the cues to localisation; colours are not only spread out, but they are also spread out here and there, spread out now here and now there. The perceptions of form and magnitude, and the perception of place or posi tion, have their root in one and the same datum of extent.<br><br>About the Publisher<br><br>Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com<br><br>This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.