Includes bibliographies and indexes.

Riley, D. A., and Lamb, M. R. Stimulus generalization.--Tighe, L. S., and Tighe, T. J. The unattended dimension in discrimination learning.--Walk, R. D. Depth perception and a laughing heaven.--Yonas, A. Studies of spatial perception in infancy.--Garner, W. R. Letter discrimination and identification.--Pick, A. D. Listening to melodies.--Levin, H. Reading silently and aloud.--Bower, T. G. R. The origins of meaning in perceptual development.--Neisser, U. The control of information pickup in selective looking.--Spelke, E. S. Exploring audible and visible events in infancy.

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