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Spatial representation of objects in the young blind child.

B Landau1

  • 1Department of Psychology, Columbia University, New York, NY 10027.

Cognition
|February 1, 1991
PubMed
Summary

Young blind children can represent and transform object spatial information, similar to sighted children. Visual experience is not necessary for developing these crucial spatial reasoning abilities.

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Cognition·1992

Area of Science:

  • Cognitive Development
  • Haptic Perception
  • Spatial Cognition

Background:

  • Understanding how blind children develop spatial representations is crucial for cognitive science.
  • Previous research suggests tactile exploration is key, but specific abilities remain unclear.

Purpose of the Study:

  • To investigate young blind children's capacity to discover, construct, and transform object representations.
  • To determine if visual experience is essential for early spatial representation development.

Main Methods:

  • Four experiments involving 18-36-month-old blind children and a single child's longitudinal development.
  • Systematic haptic exploration, recognition of familiar and novel objects under rotation, and spatial part inference were assessed.

Main Results:

  • Blind children used distinct haptic strategies for shape versus texture.
  • A single blind child demonstrated rapid recognition of geometric figures and rotated objects based on spatial relationships.
  • The child could infer object part locations, performing similarly to sighted controls.

Conclusions:

  • Visual experience is not required for the natural emergence of spatial representation and transformation abilities in young children.
  • Blind children possess robust capabilities for understanding object configurations and spatial properties through touch.

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