259:R485-R491, 1990. ; Am J Physiol Regul Integr Comp Physiol G. Mittleman, J. Brener and T. W. Robbins in rats Physiological correlates of schedule-induced activities You might find this additional info useful... including high resolution figures, can be found at: Updated information and services http://ajpregu.physiology.org/content/259/3/R485.full can be found at: Integrative and Comparative Physiology American Journal of Physiology - Regulatory, about Additional material and information http://www.the-aps.org/publications/ajpregu This information is current as of March 12, 2013. 1522-1490. Visit our website at http://www.the-aps.org/. MD 20814-3991. Copyright © 1990 the American Physiological Society. ISSN: 0363-6119, ESSN: published 12 times a year (monthly) by the American Physiological Society, 9650 Rockville Pike, Bethesda all levels of biological organization, ranging from molecules to humans, including clinical investigations. It is investigations that illuminate normal or abnormal regulation and integration of physiological mechanisms at publishes original American Journal of Physiology - Regulatory, Integrative and Comparative Physiology at Mayo Clinic Libraries on March 12, 2013 http://ajpregu.physiology.org/ Downloaded from