Excerpt from The Effects of Noise Upon Certain Psychological and Physiological Processes As a problem in experimental psychology, noise has occupied a prominent place since the days of Wundt and his students at Leip zig. There the studies of distraction grew out of the old reaction time experiment, and were carried into the investigations of the more purely mental processes: attention, reasoning, etc. Ah other and an Older aspect of the problem which has been taken over largely from physiology, is the effect of various kinds of noises upon such processes as the heart beat, blood pressure, respiration, and the like. More recently has come the question Of its effects upon general efficiency, as in the case of Office workers. For example. 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.