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ORIGINAL ARTICLE
Year : 2021  |  Volume : 10  |  Issue : 2  |  Page : 129-133

Relation between dermatoglyphic patterns and intelligence quotient and socioeconomic status in healthy children and children with intellectual disability: An observational study


1 Professor, HOD, Department of Paedodontics and Preventive Dentistry, Narayana Dental College and Hospital, Nellore, Andhra Pradesh, India
2 Senior lecturer, AME's Dental College and Hospital, Department of Pedodontics and Preventive Dentistry, Raichur, Karnataka, India
3 HOD, Department of Paedodontics and Preventive Dentistry, Narayana Dental College and Hospital, Nellore, Andhra Pradesh, India

Correspondence Address:
Dr. S V S G Nirmala
Professor and HOD, Department of Pedodontics and Preventive Dentistry, Narayana Dental College and Hospital, Nellore - 524 003, Andhra Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijhas.IJHAS_96_20

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AIM: To measure the intelligence quotient (IQ) and documentation of dermatoglyphic patterns of normal and children with intellectually disability aged between the 5-11 years. MATERIALS AND METHODS: The present study was conducted in two schools and the Red Cross Society. A total of 100 children aged between 5-11 years equally owed into two groups based on IQ using adaptive covariate randomization. Ravens Progressive Color Matrices were used to measure IQ of the children, whereas IQ of intellectually disabled (ID) children was measured by the Seguin board; both the scales are nonverbal intelligence scales, respectively. Bilateral palmar and fingerprints were obtained on the bond paper by the ink method using the rolling technique. Prints thus purchased were analyzed for the dermatoglyphic variables using a magnification lens and are read based on Cummins and Midlo classification The children were also classified according to the socioeconomic status of their parents and whether any correlation exists between IQ and socioeconomic status exists was assessed. The analysis performed by using the crosstabs and Chi-square tests for fingertip patterns and creases. For ATD angle, (a, t, d Triradii Angle) t-test for the equality of means performed. For statistical significance, two-tailed probability values of <0.05 considered as significant. RESULTS: Among the children with below-average IQ and also the ID children difference in dermatoglyphic patterns exists in between digits I, II, IV, and V of the right hand and digits I, II, III, and V of the left side. CONCLUSION: Dermatoglyphics can consider as a preliminary noninvasive approach for the determination of IQ. Furthermore, it plays an imperative role, especially in distinguishing genetic intellectual disabilities. There was no association between socioeconomic status and IQ of children.


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