Contents. List of Contributors. Introduction to Volume 3 (S.L. Bonting). The First European Simulation of a Long-Duration Manned Space Mission (J. Collet). Soviet Psychophysiological Investigations of Simulated Isolation: Some Results and Prospects (V.I. Gushin, S.F. Kholin, and Y.R. Ivanovsky). Nasa Investigations of Isolated and Confined Environements (A.W. Holland). Isemsi: A Space Phychology Experiment (H. Ursin). General Description of Isemsi: Technical Scenario, Selection of Candidates, Operational Aspects, and Organization (R.J. Vaernes, A. Schonhardt, H. Sundland, and E. Thorsen).Group Functioning and Communication (T. Bergan, G. Sandal, M. Warncke, H. Ursin, and R.J. Vaernes). Ethological Analysis of Spatial Behavior (C. Tafforin). Workload and Stress: Effects on Psychosomatic and Psychobiological Reaction Patterns (R.J. Vaernes, T. Bergan, M. Warncke, H. Ursin, A. Aakvaag, and R. Hockey). Mental Performance (R.J. Vaernes, T. Bergan, A. Lindrup, D. Hammerborg, and M. Wamcke). Cognitive Fatigue in Complex Decision-Making (G.R.J. Hockey and M. Wiethoff). Attention during Isolation and Confinement (G. Rizzolatti and A. Peru). Twenty-Four Hour Rhythm of Rest/Activity and Sleep/Wakefulness: Comparison of Subjective and Objective Measures (I. Tobler and A.A. Borbely). Water and Salt Turnover (H.C. Gunga, A. Maillet, K. Kirsch, L. Rocker, C. Gharib, and R. Vaernes). Blood Pressure, Volume Regulating Hormones, and Electrolytes (A. Maillet, G. Gauquelin, H.C. Gunga, J. Collet, J.M. Cottet-Ernard, A.M. Allevard, J.O. Fortrat, R. Cartier, B. Claustrat, Ch.A. Bizollon A. Hope, I. Peyring, K. Kirsch, A. Guell, and C. Gharib). Lower Body Negative Pressure Tests (A. Guell, A. Maillet, M.M. Faurat, A.P. Traon, and P. Vasseur). Confinement and Immune Function (D.A. Schmitt and L. Schaffar). Additional Experiments (M. Novara). Index.