Dermatoglyphic patterns in subtypes of schizophrenia

Within a neurodevelopmental model of schizophrenia, prenatal developmental deviations are implicated as early signs of increased risk for future illness. External markers of central nervous system maldevelopment may provide information regarding the nature and timing of prenatal disruptions among individuals with schizophrenia. One such marker is dermatoglyphic abnormalities (DAs) or unusual epidermal ridge patterns. Studies targeting DAs as a potential sign of early developmental disruption have yielded mixed results with regard to the strength of the association between DAs and schizophrenia. The current study aimed to resolve these inconsistencies by conducting a meta-analysis examining the six most commonly cited dermatoglyphic features among individuals with diagnoses of schizophrenia. Twenty-two studies published between 1968 and 2012 were included. Results indicated significant but small effects for total finger ridge count and total A-B ridge count, with lower counts among individuals with schizophrenia relative to controls. Other DAs examined in the current meta-analysis did not yield significant effects. Total finger ridge count and total A-B ridge count appear to yield the most reliable dermatoglyphic differences between individuals with and without schizophrenia.

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The presentation of dermatoglyphic abnormalities in schizophrenia: A meta-analytic review

Golembo-Smith

Walder

Daly

et al. 2012

Schizophrenia Research

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Patrones de dermatoglifos en subtipos de esquizofrenia

Chary¹,

Varma

Singh³

et al. 1996

Eur. psychiatr. (Ed. esp.)

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ResumenSe estudiaron los patrones de dermatoglifos de los dedos en 250 pacientes de diversos subtipos de esquizofrenia y 90 sujetos de control normales. Se encontró que la diferencia entre los patrones de dermatoglifos de varones y mujeres en los esquizofrénicos y los controles no era significativa. Tampoco se encontraron diferencias entre los patrones de huellas dactilares en pacientes de diversos subtipos de esquizofrenia.

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Dermatoglyphic Pattern Types in Subjects with Nonsyndromic Cleft Lip with or without Cleft Palate (CL/P) and Their Unaffected Relatives in the Philippines

Scott

Weinberg

Neiswanger

et al. 2005

The Cleft Palate Craniofacial Journal

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Dermatoglyphic patterns in subtypes of schizophrenia

Cited by 3 publications

References 6 publications

The presentation of dermatoglyphic abnormalities in schizophrenia: A meta-analytic review

The presentation of dermatoglyphic abnormalities in schizophrenia: A meta-analytic review

Patrones de dermatoglifos en subtipos de esquizofrenia

Dermatoglyphic Pattern Types in Subjects with Nonsyndromic Cleft Lip with or without Cleft Palate (CL/P) and Their Unaffected Relatives in the Philippines

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