Proceedings of the NATO Advanced Research Workshop, Bad Windsheim, Germany, September 11-13, 1992Preface. 1: Sensorimotor Integration. Nordic comparison of 75-year-olds - sensory and psychomotor functions; P. Era, M. Schroll, S. Berg. Motor performance as a paradigm reflecting the aging process; B. J?nicke, H. Coper. Decline of psychomotor performance: calender or health? P.J. Houx, F.W. Vreeling, J. Jolles. The influence of aging on motor skill learning; H. Carnahan, A.A. Vandervoort, L.R. Swanson. The declines of spatial and temporal abilities with age; A.G.M. Canavan, N. Bayer, W. Lutzenberger. Age-related slowing; V.D. Buckles. Aging and plasticity of the human motor system: evidence from positron emission tomography (PET); R.J. Seitz. 2: Age Changes in Muscle. Myoelectric signs of muscle fatigue and physiological tremor from childhood to seniority; W.N. L?scher, E. Gallasch. Muscle force generation and age: the role of sex hormones; S.K. Phillips, J.L. Rowbury, S.A. Bruce, R.C. Woledge. What is the cause of the ageing atrophy? Assessment of the fiber type composition in whole human muscles; J. Lexell. 3: Posture and Locomotion. Cognitive process involved for maintaining postural stability while standing and walking; N. Teasdale, Y. Lajoie, C. BArd, M. Fleury, R. Courtemanche. Mobility biomechanics in young and old healthy adults: A.B. Schultz, N.B. Alexander, J.A. Ashton-Miller. Postural control in normal subjects and older women who have fallen; M.B. Hawken, P. J?ntti, C. Kennard. Postural responses of the elderly: comparisons with vestibular-deficit subjects; J.H.J. Allum, F. Honegger, E.A. Keshner. Modulations of gait in normal aging and in Parkinson's disease; A.M. Ferrandez. Age-related changes in visually guided locomotion over differentterrains: major issues; A.E. Patla. Optical flow as a factor in falling: the case for more research; M.G. Wade, T. Roehrs, J. Yi. 4: Neurological Diseases. Motor slowness in Parkinson'lÓ6