Excerpt from Edinburgh Medical Journal, 1868 Introduction - Illusions of the senses may in general terms be described as false impressions having their origin in the brain, and referred to the different or ans of sense. These impressions are 0 ten very distinct and accurate, exceeding in outline and form the most vivid dream, and are seen, felt, or heard, with so many of the circumstances of reality about them, as to give a temporary belief in their existence. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.