[Sect. 1] Roots and persisting issues -- 1. A context for the second half of the century : one view / Julian Hochberg -- 2. Philosophy, perception and congitive science / Mark Rollins -- 3. Consciousness and mind as philosophical problems and psychological issues / George Mandler -- [Sect. 2] The informed present : where we are and how we got there -- 4. Information from the world around us / James E. Cutting -- 5. Illusions at century's end / Barbara J. Gillam -- 6. Pictures and their special status in perceptual and cognitive inquiry / James E. Cutting and Manfredo Massironi -- 7. The internalization of perceptual processing contraints / Dennis R. Proffitt and Mary K. Kaiser -- 8. A century of human information-processing theory : vision, attention, and memory / Barbara Anne Dosher and George Sperling -- 9. Gestalt theory and its legacy : organization in eye and brain, in attention and mental representation / Julian Hochberg -- 10. Vision fin de siècle : a reductionist explanation of perception for the 21st century? / Ken Nakayama -- 11. Nature, nurture, and development / Elizabeth S. Spelke -- 12. Language and action : current challenges / Charles E. Wright and Barbara Landau -- 13. Concepts and categorization / Douglas L. Medin and John D. Coley -- 14. Imagery, visualization, and thinking / P.N. Johnson-Laird