Quantitative assessment of drawing tests in children with dyslexia and dysgraphia

Manuela Galli, Veronica Cimolin, Giacomo Stella, Maria Francesca De Pandis, Andrea Ancillao, Claudia Condoluci

Research output: Contribution to journalArticlepeer-review

Abstract

Drawing tests in children diagnosed with dyslexia and dysgraphia were quantitatively compared. Fourteen children with dysgraphia, 19 with dyslexia and 13 normally developing were asked to copy 3 figures: a circle, a square and a cross. An optoelectronic system allowed the acquisition of the drawing track in three-dimensions. The participants’ head position and upper limb movements were measured as well. A set of parameters including movement duration, velocity, length of the trace, Range of Motion of the upper limb, was computed and compared among the 3 groups. Children with dyslexia traced the circle faster than the other groups. In the cross test, dyslexic participants showed a reduced execution time and increased velocity while drawing the horizontal line. Children with dyslexia were also faster in drawing certain sides of square with respect to the other groups.

Original languageEnglish
Pages (from-to)51-59
Number of pages9
JournalHuman Movement Science
Volume65
DOIs
Publication statusPublished - Jun 2019

Keywords

  • Drawing test
  • Dysgraphia
  • Dyslexia
  • Learning disabilities
  • Motor control
  • Movement analysis

ASJC Scopus subject areas

  • Biophysics
  • Orthopedics and Sports Medicine
  • Experimental and Cognitive Psychology

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