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Related Experiment Video

Updated: Mar 21, 2026

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
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Dysfluent Handwriting in Schizophrenic Outpatients.

Barbara Gawda1

  • 1Department of Psychology, Maria Curie-Sklodowska University, Lublin, Poland bgawda@wp.pl.

Perceptual and Motor Skills
|May 12, 2016
PubMed
Summary
This summary is machine-generated.

Handwriting analysis revealed distinct graphical features differentiating individuals with schizophrenia from healthy controls. Seven specific characteristics, including letter forms and baseline irregularities, were significantly altered in patients with paranoid schizophrenia.

Keywords:
assessmenthandwriting analysisschizophrenic disorder

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Area of Science:

  • Forensic Science
  • Psychiatry
  • Graphology

Background:

  • Schizophrenia is a complex mental disorder.
  • Handwriting analysis has been explored for its potential in psychiatric assessment.
  • Previous literature suggests possible links between graphological features and mental states.

Purpose of the Study:

  • To investigate if specific handwriting graphical characteristics can differentiate individuals diagnosed with schizophrenic disorders from healthy controls.
  • To identify which handwriting features are significantly altered in patients with paranoid schizophrenia.

Main Methods:

  • Analysis of handwriting samples from 60 outpatients with paranoid schizophrenia and 60 healthy controls.
  • Assessment of 32 graphical features by three document examiners.
  • Statistical comparison of handwriting properties between the patient and control groups.

Main Results:

  • Seven out of 32 assessed handwriting properties showed significant differences between schizophrenic patients and controls.
  • Significantly different features included calligraphic letter forms, loops in ovals, lack of dots, tremor, sinusoidal baseline, and irregularities in the lower zone size.
  • These findings suggest potential motor disturbances associated with schizophrenia.

Conclusions:

  • Specific handwriting features can help distinguish individuals with schizophrenia from healthy individuals.
  • The identified graphical patterns in schizophrenia share similarities with those observed in other mental disorders.
  • Handwriting analysis may offer insights into the motor disturbances present in schizophrenia.