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Baby Lab

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Haptic perception of objects in infancy

To examine haptic perception, 24 4-mo-olds held 2 rings, 1 in each hand, out of the field of view. In one condition, the rings could be moved independently; in the other condition, the rings could only be moved rigidly together. After exploring the rings haptically, Ss received a haptic or visual test with pairs of rings that were connected or separated. Findings of 4 experiments provide evidence that Ss explored the rings bimanually, producing patterns of rigid or independent motion, that Ss discriminated between the 2 motion patterns, and that this discrimination transferred from touch to vision. Data indicate that Ss perceived the unity boundaries of objects by detecting the motion patterns they themselves produced. (PsycINFO Database Record (c) 2005 APA, all rights reserved)



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