Abstract
Background The relationship between handedness and digital dermatoglyphic patterns has never been investigated in the Sinhalese population. The goal of this study is to establish the above mentioned relationship, which would positively aid personal identification. Findings One hundred Sinhalese students (50 right-handed and 50 left-handed) were studied for their digital dermatoglyphic pattern distribution. The results show that a statistically significant correlation exists for digit 3 (P=0.002, Fisher's exact test) of the right hand and digit 1 (P=0.002, Fisher's exact test) and digit 2 (P=0.021, Fisher's exact test) of the left hand. Further, whorl patterns are more common in right-handed than left-handed Sinhalese students. Conclusions Statistically significant differences in handedness and digital dermatoglyphic patterns were evident among Sinhalese people. Further study with a larger sample size is recommended.
Highlights
Fingerprints are a unique form of evidence that greatly contribute towards personal identification in forensic science[1]
Determination of the handedness of both the assailant and the victim are important in various aspects of forensic science, including personal identification[6]
The main goal of the current study is to determine the relationship between handedness and digital dermatoglyphics in a sample of Sinhalese population
Summary
Fingerprints (digital dermatoglyphics) are a unique form of evidence that greatly contribute towards personal identification in forensic science[1]. Because they are unique for each individual and are strongly influenced by genetics, they perform a significant role in anthropology, human genetics, ethnology and medicine. They are characterized by alternating strips of raised friction ridges and grooves present in a variety of patterns[2]. Findings One hundred Sinhalese students (50 right-handed and 50 left-handed) were studied for their digital dermatoglyphic pattern distribution. Whorl patterns are more common in right-handed than left-handed Sinhalese students
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