Infants can recognize a face

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  • 赤ちゃんは顔をよむ

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  Past few decades ago, everybody believed that newborn baby could not hear and see anything. Nowadays we can know that even newborn baby can perceive the world. Many psychological studies have revealed such infants' abilities. One of special ability for newborn infants is face perception.<BR>  In 1960th Fants developed new experimental procedure measuring infants' cognitive skills. By using their looking behaviors we can assess infants' cognitive abilities without verbal reports. In this preferential looking method we presented two visual stimuli, and infants' looking time for each stimulus were measured. Many kind of visual stimuli were tested and some of the visual stimuli showed strong attractiveness for infants. Face is one of such attractive visual stimuli.<BR>  Because infants have low acuity, their perception is totally different from adults'. Comparing such low visual ability, highly developed face recognition in infants is amazing fact. In this paper I will show new experiment data in both behavioral and neural experiments of infants. Neural experiment data was using the new technique that is near infrared spectroscopy (NIRS). By using this NIRS system we clarified infants' brain development on face perception, especially inversion effect, different view of the face, and motion facilitate in face learning.

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