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Head-mounted eye-tracking: A new method to describe the visual ecology of infants

Summary: Head-mounted eye-tracking: A new method to describe the
visual ecology of infants
John M. Franchak, Kari S. Kretch, Kasey C. Soska, & Karen E. Adolph
New York University
Each hour, the average toddler hears over 300 words
(Hart & Risley, 1999), takes 1200 steps, falls 16 times (Adolph,
Badaly, Garciaguirre, & Sotsky, 2010), and spends 30 minutes
playing with objects (Karasik, Tamis-LeMonda, & Adolph,
in press). What is the visual information that accompanies this
riot of activity? William James (1890) famously suggested that
infants' visual experiences are a "blooming, buzzing confusion."
But no research has described the visual input in infants' natural
interactions: What do infants see?
A casual scan of the everyday environment makes the
possibilities seem endless. But infants do not see everything that
surrounds them. Structural and physiological characteristics of the
visual system filter out some of the possible stimuli. By 12 months
of age, infants' binocular field approximates that of adults--180
wide (Mayer & Fulton, 1993). Input beyond the visual field is


Source: Adolph, Karen - Center for Neural Science & Department of Psychology, New York University


Collections: Biology and Medicine