Current psychophysiological research regarding eye movements, cortical alpha rhythm, and memory mechanisms is reviewed in light of the role these phenomena may play in the process of skilled reading. A model of perceptual constriction leading to a decrease in reading performance is advanced. The psychological and physical manifestations of perceptual constriction are developed, and are discussed relative to the psychophysiological phenomena mentioned above. An attempt is made to provide a synthetic model of skilled reading and reading difficulties consistent with current theoretical and empirical knowledge. Such a model is useful to optometrists and other professionals interested in learning and reading difficulties.
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