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Digital Handwriting Analysis of Characters in Chinese Patients with Mild Cognitive Impairment
05:58

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Published on: March 11, 2021

Processing complex graphemes in handwriting production.

Sonia Kandel1, Elsa Spinelli

  • 1Laboratoire de Psychologie et NeuroCognition, CNRS UMR 5105, Université Pierre Mendès France, Grenoble, France. sonia.kandel@upmf-grenoble.fr

Memory & Cognition
|September 21, 2010
PubMed
Summary
This summary is machine-generated.

Orthographic representations in handwriting include grapheme complexity. This study found that longer graphemes (like "ain") take longer to process during writing than shorter ones (like "a").

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Linguistics

Background:

  • Orthographic representations are known to encode letter identity and order.
  • Previous research suggests these representations include units like syllables and morphemes.
  • The existence of a specific graphemic-processing level remains under investigation.

Purpose of the Study:

  • To investigate whether orthographic representations incorporate a graphemic-processing level.
  • To examine the influence of grapheme length on handwriting production timing.
  • To determine if grapheme complexity is encoded within orthographic representations.

Main Methods:

  • French adults participated in a handwriting production study.
  • Participants wrote words containing one-, two-, or three-letter graphemes.
  • Handwriting was recorded using a digitizer to analyze letter movement duration.

Main Results:

  • Letter movement duration was significantly dependent on grapheme length.
  • Processing duration increased with grapheme length (one-letter < two-letter < three-letter graphemes).
  • Two- and three-letter graphemes showed evidence of pre-execution processing.

Conclusions:

  • Orthographic representations encode information about grapheme complexity.
  • A distinct graphemic-processing level exists within orthographic representations.
  • Handwriting production timing reflects the hierarchical structure of orthographic encoding.