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  • Title: A developmental change of the visual behavior of the face recognition in the early infancy.
    Author: Konishi Y, Okubo K, Kato I, Ijichi S, Nishida T, Kusaka T, Isobe K, Itoh S, Kato M, Konishi Y.
    Journal: Brain Dev; 2012 Oct; 34(9):719-22. PubMed ID: 22310452.
    Abstract:
    The purpose of this study was to examine developmental changes in visuocognitive function, particularly face recognition, in early infancy. In this study, we measured eye movement in healthy infants with a preference gaze problem, particularly eye movement between two face stimulations. We used the eye tracker system (Tobii1750, Tobii Technologies, Sweden) to measure eye movement in infants. Subjects were 17 3-month-old infants and 16 4-month-old infants. The subjects looked two types of face stimulation (upright face/scrambled face) at the same time and we measured their visual behavior (preference/looking/eye movement). Our results showed that 4-month-old infants looked at an upright face longer than 3-month infants, and exploratory behavior while comparing two face stimulations significantly increased. In this study, 4-month-old infants showed a preference towards an upright face. The numbers of eye movements between two face stimuli significantly increased in 4-month-old infants. These results suggest that eye movements may be an important index in face cognitive function during early infancy.
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