G. Schwartz and T.H. Moran, Integrative Gastrointestinal Actions of the Brain/Gut Peptide Cholecystokinin in Satiety. J. Schulkin, Fear and its Neuroendocrine Basis. P.J. Shiromani, Sleep Circuitry, Regulation, and Function: Lessons from c-Fos, Leptin and Timeless. R.J. Valentino, A.L. Curtis, M.E. Page, L.A. Pavcovich, S.M. Lechner, and E. Van Bockstaele, The Locus Coeruleus-Noradrenergic System as an Integrator of Stress Responses. Subject Index. Author Index.