Contents: Preface. Part I: Cognitive Approaches to Perceptual Organization.S.E. Palmer, Perceptual Organization and Grouping. M. Kubovy, S. Gepshtein, Perceptual Grouping in Space and in Space-Time: An Exercise in Phenomenological Psychophysics. M.A. Peterson, On Figures, Grounds, and Varieties of Surface Completion. R. Kimchi, Visual Perceptual Organization: A Microgenetic Analysis. P.J. Kellman, Visual Perception of Objects and Boundaries: A Four-Dimensional Approach. Part II: Development and Learning in Perceptual Organization.A. Needham, S.M. Ormsbee, The Development of Object Segregation During the First Year of Life. R.L. Goldstone, Learning to Perceive While Perceiving to Learn. Part III: Neural Approaches to Perceptual Organization.R. von der Heydt, H. Zhou, H.S. Friedman, Neural Coding of Border Ownership: Implications for the Theory of Figure-Ground Perception. T.D. Albright, L.J. Croner, R.O. Duncan, G.R. Stoner, Neuronal Correlates of Perceptual Organization in the Primate Visual System. M. Behrmann, R. Kimchi, Visual Perceptual Organization: Lessons From Lesions. G.W. Humphreys, Binding in Vision as a Multistage Process. Part IV: Computational Approaches to Perceptual Organization.D.W. Jacobs, Perceptual Completion and Memory. T.S. Lee, Neural Basis of Attentive Perceptual Organization.