Excerpt from Analysis of Program Activities, National Institutes of Health, 1955: National Institute of Mental Health Neurocytology. During 1955, and Brightman developed a very sensitive bioassay technique for measuring antidiuretic hormones. It permits a number of determinations to be carried out on a single rat without any significant trauma and without anesthesia. With this new method, research has been directed toward determining whether circulating levels of posterior lobe hormones exert an effect on the output of these hormones and of neurosecretory material from the brain. 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.