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Dermatoglyphics in patients with schizophrenia.

Fereshteh Shakibaei¹, Ghorban Ali Asadollahi, Amirpooyan Tabibi

¹Associate Professor, Child and Adolescent Psychiatry and Behavioral Sciences Research Center, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.

Journal of Research in Medical Sciences : the Official Journal of Isfahan University of Medical Sciences

|January 27, 2012

Summary

Schizophrenia patients showed differences in fingerprint ridge counts, particularly on the left index finger, suggesting potential as a diagnostic biomarker. Further research is needed to confirm its predictive value.

Keywords:

Biomarker Dermatoglyphics Fingerprint Pattern Fluctuating Asymmetry Ridge Counts Schizophrenia

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Published on: December 15, 2011

Area of Science:

Forensic Science
Psychiatry
Genetics

Background:

Controversial evidence exists regarding the association between fingerprint traits and schizophrenia.
This study investigated fingerprint characteristics in Iranian schizophrenia patients and healthy controls.

Purpose of the Study:

To compare fingerprint traits between individuals with schizophrenia and a normal population.
To explore the potential of fingerprint traits as a diagnostic biomarker for schizophrenia.

Main Methods:

Dermal ridge traits of 290 schizophrenia patients and 290 controls were analyzed.
Four dermal traits were studied using Pearson correlation and student's t-tests.

Main Results:

No significant differences were found in fingerprint patterns or secondary creases between groups (p > 0.05).
Schizophrenia patients exhibited greater mean ridge counts on the left and right index fingers (p < 0.05), though not significant in females.

Conclusions:

Left index finger ridge counts and fluctuating asymmetry may differ in schizophrenia patients.
These differences could potentially serve as a diagnostic biological marker for screening individuals susceptible to schizophrenia.
Further studies are required to validate the predictive value of fingerprint traits as a biomarker for schizophrenia.