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Attention Distribution as a Function of Complexity and Incongruity in the 24 Month Old Child USPHS

Dodd, Cornelia; Harwitz, Marcia; Lewis, Michael
Publication Year:
Report Number:
ETS Research Bulletin
Document Type:
Page Count:
Subject/Key Words:
United States Public Health Service (USPHS), Attention, Cognitive Development, Infant Behavior, Responses


Attentional distribution was studied as a means of observing schema formation and development. Fixation time, heart rate, activity, vocalization and smiling indicated that a schema for the human form is not fully developed by two years of age. Complexity, defined as number of elements, was effected in influencing attentional distribution. Further, data at 6 and 13 months indicated that only after an earlier schema is well formed is it possible to find a significant relationship to subsequent schema development.

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