Editorials: 2. How many psychiatric beds?

Christie, M. J., and Venablcs, I'. II. (1971). Effects on 'basal ' skin potential level of varying the concentration of an external electrolyte. Journal of Psychosomatic Research. (In press.) Darrow, C. W. (1932). The relation of the galvanic skin reflex recovery curve to reactivity, resistance level, and perspiration. Journal of General Psychology, 7, 261-266. Douglas, R. J. (1967). The hippocampus and behaviour. Psychological Bulletin, 67, 416-442. Dykman, R. A., Reese, W. C , Galbrecht, C. R., Ackerman, P. T., and Sunderman, R. S. (1968). Autonomic responses in psychiatric patients. Annals of the New York Academy of Sciences, 147, 237-303. Edelberg, R. (1970). The information content of the recovery limb of the electrodermal response. Psychophysiology, 6, 527-539. Fowles, D. C , and Venables, P. H. (1968). Endocrine factors in palmar skin potential. Psychonomic Science, 10, 387-388. Fowles, D. C , and Venables, P. H. (1970). The effects of epidermal hydration and sodium reabsorption on palmar skin potential. Psychological Bulletin, 73, 363-378. Graham, F. K., and Clifton, R. K. (1966). Heart rate change as a component of the orienting response. Psychological Bulletin, 65, 304-320. Grastayan, E., Karmos, G., Vereczkey, L., and Kellenyi, E. E. (1966). The hippocampal electrical correlates of the homeostatic regulation of motivation. Electroencephalography ami Clinical Netirophysiology, 21, 34-53. Gruzelier, J. H. (1970). A switch process in schizophrenia? Paper presented to the British Psychological Society, December 1970. Kimble, D. P. (1968). Hippocampus and internal inhibition. Psychological Bulletin, 70, 285-295. Lacey, J. I., and Lacey, B. C. (1970). Some autonomic-central nervous system inter-relationships, in Physiological Correlates of Emotion. Edited by P. Black. Academic Press: New York. Lailur, M. H., and Wing, L. (l%6). Physiological Measures, Sedative Drugs, ami Morbid Anxiety. O.U.P.: London. Lynn, R. (1966). Attention, Aroused and the Orientation Reaction. Pcrgamon: Oxford. MacLcan, P. D. (1970). The limbic brain in relation lo the psychoses, in Physiological Correlates of Fimotion. Edited by P. Black. Academic Press: New York. Mednick, S. A., and Schulsingcr, F. (1968). Some prc-morbid characteristics related to breakdown in children with schizophrenic mothers, in The Transmission of Schizophrenia. Edited by D. Rosenthal and S. S. Kety. Pcrgamon: Oxford. Obrist, P. A., Webb, R. A., Suttcrer, J. R., and Howard, J. L. (1970). Cardiac deceleration and reaction time: an evaluation of two hypotheses. Psychophysiology, 6, 695-706. Sanwald, J. C , Porzio, N. R., Deane, G. E., and Donovick, P. J. (1970). The effects of septal and dorsal hippocampal lesions on the cardiac component of the orienting response. Physiology ami Behaviour, 5, 883-888. Stern, J. A. (1964). Toward a definition of psychophysiology. Psychophysiology, 1, 90-91. Sternbach, R. A. (1966). Principles of Psychophysiology. Academic Press: New York. Walter, W. G., Cooper, R., Crow, H. J., McCallum, W. C , Warren, W. J., Aldrige, V. J., Storm van Leeuwen, W., and Kamp, A. (1967). Contingent negative variation and evoked responses recorded by radio-telemetry in free ranging subjects. Electroencephalography and Clinical Neurophysiology, 23, 197-206. Weiss, B., and Siegel, L. (1967). The laboratory computer in psychophysiology, in Methods in Psychophysiology. Edited by C. C. Brown. Williams and Wilkins: Baltimore. Zahn, T. P., Rosenthal, D., and Lawlor, W. G. (1968). Electrodermal and heart rate orienting reactions in chronic schizophrenia. Journal of Psychiatric Research, 6, 117-134.