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Related Experiment Video

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

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

Published on: March 11, 2021

Processing prefixes and suffixes in handwriting production.

Sonia Kandel¹, Elsa Spinelli, Annie Tremblay

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

Acta Psychologica

|June 6, 2012

Summary

French adults writing words activate morphemes, particularly suffixes. Handwriting production shows distinct processing for root-suffix units compared to pseudo-suffixes, unlike prefixes.

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Area of Science:

Psycholinguistics
Cognitive Neuroscience
Language Production

Background:

Handwriting production is known to involve linguistic units like syllables and graphemes.
Previous research indicates that writing processes are influenced by phonological and orthographic structures.

Purpose of the Study:

To investigate if French adults utilize morphemes, semantic units, during handwriting production.
To explore the role of morpheme-based chunking in the writing system.
To examine potential asymmetries in processing suffixed versus prefixed words.

Main Methods:

Experiment 1: Compared handwriting production of suffixed words versus pseudo-suffixed words, measuring letter duration and inter-letter intervals.
Experiment 2: Compared handwriting production of prefixed words versus pseudo-prefixed words.

Main Results:

Experiment 1 showed significantly longer letter durations and inter-letter intervals for suffixed words, suggesting morpheme-level chunking.
Experiment 2 did not reveal significant differences between prefixed and pseudo-prefixed words.
An asymmetry was observed, with suffixes being processed analytically during root production, unlike prefixes.

Conclusions:

The handwriting production system in French adults appears to segment words at the morpheme level, particularly for suffixes.
This morpheme-based segmentation influences the temporal dynamics of handwriting.
Prefixes seem to be processed differently, often without decomposition, aligning with findings in other linguistic tasks.