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Robotic Mirror Therapy System for Functional Recovery of Hemiplegic Arms
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Developmental mirror-writing is paralleled by orientation recognition errors.

Robert D McIntosh1, Keira Hillary1, Ailbhe Brennan1

  • 1a Human Cognitive Neuroscience, Psychology , University of Edinburgh , Edinburgh , UK.

Laterality
|March 3, 2018
PubMed
Summary
This summary is machine-generated.

Children

Keywords:
Mirror-writingmirror-generalisationorientation recognitionstatistical learning

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Area of Science:

  • Developmental Psychology
  • Cognitive Science
  • Educational Psychology

Background:

  • Children learning to write often produce mirror-reversed letters.
  • This phenomenon is linked to mirror-generalization, but its cause (visual forms vs. motor actions) is debated.

Purpose of the Study:

  • To investigate the relationship between mirror-writing and orientation recognition in young children.
  • To determine if visual letter forms or motor actions are the primary driver of developmental mirror-writing.

Main Methods:

  • Two studies involving primary and preschool children learning English.
  • Assessed mirror-writing frequency and orientation recognition accuracy for uppercase and lowercase letters.
  • Controlled for age and compared dominant/non-dominant hand mirror-writing rates.

Main Results:

  • Higher rates of mirror-writing correlated with increased orientation recognition errors.
  • Letters frequently reversed in writing were also more prone to recognition errors.
  • Mirror-writing rates were similar between dominant and non-dominant hands.
  • Children were more likely to accept reversed letters as correct than reject correct ones.

Conclusions:

  • Results strongly support a significant role for visual letter representations in developmental mirror-writing.
  • The findings suggest mirror-generalization of visual forms, not motor actions, is the primary driver.