Visual Development, Infant
The question “What can infants see” has long intrigued laymen and scientists alike. In recent decades a surge of new results in vision research has deepened the importance of the question and begun to provide answers. Knowledge of the status of infants’ vision, its development, and the underlying neuronal mechanisms is gained by noninvasive procedures, with the exceptions of anatomical studies of postmortem tissue. Otherwise, our knowledge has been based upon observations aided by instruments, psychophysical studies, and electrophysiology done with scalp electrodes. Inferences about neuronal mechanisms are often guided by physiological and anatomical knowledge obtained from animal studies, in particular, those performed on primates. In addition to its scientific interest, the study of normal and abnormal visual development is of clinical importance in interpreting the deleterious effects of early pathologies of significant incidence in infants, such as strabismus, anisometropia, high refractive errors, and congenital cataract.
KeywordsSpatial Frequency Contrast Sensitivity Binocular Rivalry Neuronal Mechanism Visual Development
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