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Dermatoglyphic study in autistic children and controls.

S R Wolman1, M Campbell, M L Marchi

  • 1Michigan Cancer Foundation, Detroit.

Journal of the American Academy of Child and Adolescent Psychiatry
|November 1, 1990
PubMed
Summary
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Dermatoglyphic patterns, or fingerprints, do not reliably distinguish autistic children from controls. This study found no significant differences in fingerprint patterns, suggesting they are not a useful diagnostic tool for autism spectrum disorder.

Area of Science:

  • Neurodevelopmental disorders
  • Human genetics
  • Dermatoglyphics

Background:

  • Dermatoglyphic patterns form during fetal development and may indicate genetic or early developmental influences.
  • Previous research on dermatoglyphics and autism spectrum disorder (ASD) has yielded inconclusive results.
  • A robust investigation is needed to clarify the potential of dermatoglyphics in understanding ASD's biological underpinnings.

Purpose of the Study:

  • To investigate the potential of dermatoglyphic patterns as a biological marker for autism spectrum disorder (ASD).
  • To compare dermatoglyphic features between a cohort of autistic children and carefully matched control groups.
  • To assess the diagnostic value of specific dermatoglyphic traits in identifying autism.

Main Methods:

Related Experiment Videos

  • A study involving 95 children diagnosed with autism spectrum disorder (ASD) according to DSM-III criteria.
  • Comparison of dermatoglyphic patterns (including ATD angle, total ridge count, and pattern types) with multiple age-matched, sex-matched, and ethnically diverse control groups.
  • Application of statistical analyses, including analysis of variance and chi-square tests, to evaluate dermatoglyphic data.

    • Main Results:

    • No statistically significant differences were found in dermatoglyphic patterns between the autistic children and control groups.
    • Evaluations of consistency between hands, ATD angle values, total ridge counts, and the incidence/effects of pattern types (arches, double loops, whorls) did not support a link to autism.
    • The study failed to demonstrate the utility of dermatoglyphic analysis as a discriminant for autism spectrum disorder in this cohort.

    Conclusions:

    • Dermatoglyphic analysis does not appear to be a valuable tool for discriminating autism spectrum disorder (ASD) in children.
    • The findings suggest that variations in fingerprint patterns are not a reliable indicator of the biological basis of autism.
    • Further research into other biological markers may be necessary for understanding the etiology of ASD.