Examination of Necker Cube Copying (NCC) for Identifying Characteristics of Drawing in Poor Reading/Writing Children

  • Sano Takamasa
    Department of Rehabilitation Medicine, Tama-Hokubu Medical Center. Faculty of Letters, Kokushikan University NPO Corporation LD / Dyslexia Centre
  • Kaneko Masato
    Faculty of Letters, Kokushikan University NPO Corporation LD / Dyslexia Centre
  • Katsuki Shizuka
    Department of Rehabilitation, Edogawa Medicare Hospital
  • Tachino Asami
    Department of Rehabilitation Medicine, Tama-Hokubu Medical Center.
  • Kanzawa Sayaka
    Department of Rehabilitation, Edogawa Medicare Hospital
  • Miyagi Ibuki
    Faculty of Letters, Kokushikan University
  • Takahashi Nobushige
    Department of Rehabilitation Medicine, Tama-Hokubu Medical Center.

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Other Title
  • 読み書き習得度の低い児童における立方体透視図模写 (NCC) の描画特徴に関する研究

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<p>  Necker cube copying (NCC) is used to assess the visual perception of children ; however, there are few reports concerning the characteristics of NCC drawing among children with learning disabilities. In this study, we examined whether the achievement targets of NCC defined using a qualitative scoring system and the characteristics of the drawing process are usable as indexes for assessing visual perception. The subjects were divided into an “over threshold group” and “under threshold group” based on the achievement targets, and a “drawing a face first group” and “NOT drawing a face first group” based on the characteristics of drawing a cube. The results of the Matching Familiar Figures Test (MFFT) were then analyzed according to group. The results showed no significant difference between the over and under threshold groups. On the other hand, reaction times of MFFT were significantly longer among the drawing a face first group than the NOT group. This difference between the two groups indicates that drawing a face of a cube or not can be used to assess visual perception. These results suggest that children who do not draw a face first may have weakness in visual perception, and that NCC can be used for assessing visual perception through observation of the drawing process.</p>

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