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Hand preference in 4-month-old infants: Global or local processing of objects in the haptic mode

This study examined infants' hand preference in haptic information processing as regarding the global vs the analytic characteristics of objects. Habituation and dishabituation procedures were used in a discrimination task. Thirty-two 4-month-old infants (half males, half females) were examined both with their right and their left hands. They explored given objects without visual guidance. Four different objects varying in contours or detail features were presented to each infant's hands. When infants had to explore complex objects, they processed information in an analytic mode mainly with their right hand and processed information in a global mode mainly with their left hand. This result provides the first evidence of hand preference concerning global vs analytic processing in the haptic mode in infancy. (PsycINFO Database Record (c) 2005 APA, all rights reserved) (journal abstract)



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