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Journal of Pediatric Psychology 6(2) pp. 191-200, 1981
© 1981 Society of Pediatric Psychology

other

Haptic Conservation of Amount in Blind and Sighted Children: Exploratory Movement Effects1

Philip W. Davidson2,, Geraldine Dunn, Marilyn Wiles-Kettenmann and Stuart Appelle

University of Rochester School of Medicine, State University College at Brockport

2All correspondence should be directed to Philip W. Davidson, Department of Pediatrics, Box 671, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, New York 14642

The present study compared blind and sighted children's haptic exploratory movement styles while performing conservation of solid amount judgments. The purpose was to examine the possibility that exploratory hand movements might provide an index to the occurrence of centrated or decentrated attention in haptic conservation, as seems to occur with eye movements in visual conservation. Blind children showed more sophisticated hand movements than sighted children, and blind conservers frequently used strategies that decentered haptic attention. However, the blind children still showed a 3.5-year average delay in the appearance of the conservative response compared to sighted children.


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