Dermatoglyphics

皮肤象形学
  • 文章类型: Journal Article
    评论员建议法医科学家的报告应包含各种披露,以促进理解。然而,很少有研究探讨遵循最佳实践建议是否会影响接收者对证据的印象。我们研究了更符合这些最佳实践建议的法医学报告是否减少了对证据的高估,并使法律和社区决策者对证据质量敏感。在三个实验中,向240名法律从业人员/受训人员和566名社区决策者提交了指纹或鞋类报告,该报告符合或不符合最佳实践建议。然后要求参与者根据报告做出评估和决定。我们发现报告合规性的影响喜忧参半。报告依从性影响了社区参与者对证据说服力的评估,但对法律从业人员/受训者的判断影响有限。当提供合规报告时,我们发现,社区参与者认为未知可靠性证据比高可靠性证据更不可靠和更没有说服力,建议披露有助于减少证据的高估,并提高对证据质量差异的敏感性。这些结果表明,遵守报告建议确实会影响社区印象,而对法医学证据的法律印象影响最小。这一结果的成本和/或收益需要进一步审查。
    Commentators have recommended that forensic scientists\' reports contain various disclosures to facilitate comprehension. However, little research has explored whether following best practice recommendations for disclosure impacts on receivers\' impressions of the evidence. We examined whether forensic science reports that are more compliant with these best practice recommendations reduced overvaluing of the evidence and sensitized legal and community decision-makers to evidence quality. Across three experiments, 240 legal practitioners/trainees and 566 community decision-makers were presented with a fingerprint or footwear report that was either compliant or non-compliant with best practice recommendations. Participants were then asked to make evaluations and decisions based on the report. We found mixed effects of report compliance. Report compliance affected community participant\'s evaluations of the persuasiveness of the evidence but had limited impact on the judgments of legal practitioners/trainees. When presented with compliant reports, we found that community participants regarded unknown reliability evidence as less reliable and less persuasive than high reliability evidence, suggesting disclosures helped reduce overvaluing of the evidence and create sensitivity to differences in evidence quality. These results suggest compliance with reporting recommendations does affect community impressions, while only minimally influencing legal impressions of forensic science evidence. The costs and/or benefits of this outcome require further examination.
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  • 文章类型: Journal Article
    皮肤图模式可识别遗传条件,因为它们在怀孕早期发展并在一生中保持恒定。多项研究表明,无烟烟草的使用存在遗传联系。所以,本研究旨在评估北古吉拉特邦非消费者无烟烟草使用者的皮纹模式.
    共调查了500例“ATD”角度和模式,其中250名无烟烟草受试者通过与250名非消费者受试者进行比较来评估其统计学意义。学生t检验用于评估定量因素(也称为“ATD”角度),用卡方检验分析定性变量(也称为指纹图谱)。0.05或更小的P值被认为是显著的。
    在这项研究中,与对照组相比,男性(P0.001)和女性(P0.001)的手掌角度“ATD”减小,这在统计学上是非常显著的。在我们的研究中,我们发现,与男性对照相比,男性病例中的螺纹和牙弓数量较低,差异有统计学意义(P=0.020和P=0.010)。男性病例比男性对照组有更多的环,统计学上显著更大(P<0.001)。
    在这项最新研究中,发现无烟烟草使用者与手掌皮纹之间存在关联.虽然皮纹学无法识别滥用酒精和/或香烟包装的人,这项研究的结果可能有助于进一步制定诊断指南.
    UNASSIGNED: Dermatoglyphic patterns identify genetic conditions as they develop early in pregnancy and remain constant throughout life. Multiple studies suggest that there is a genetic link to smokeless tobacco use. So, this study has been conducted to assess dermatoglyphic patterns among smokeless tobacco users in the North Gujarat population with nonconsumers.
    UNASSIGNED: A total of 500 cases were investigated for \"ATD\" angle and patterns, of which 250 subjects of smokeless tobacco are assessed for statistical significance via comparing them to 250 subjects of nonconsumers. Student\'s t-test was employed for evaluating quantitative factors (also known as the \"ATD\" angle), and the Chi-square test was used to analyze qualitative variables (also known as fingerprint patterns). A P value of 0.05 or less was considered significant.
    UNASSIGNED: In this study, the angle \"ATD\" was found to be reduced in both the palms of males (P 0.001) and females (P 0.001) when compared to controls, which was statistically highly significant. In our study, we discovered that the number of whorls and arches is lower in male cases as compared to male controls, which is highly significant (P = 0.020 and P = 0.010). Male cases had a greater number of loops than male controls, which was statistically significantly greater (P 0.001).
    UNASSIGNED: In this latest study, an association between smokeless tobacco users and palmar dermatoglyphics was identified. Though dermatoglyphics solely is unable to identify individuals who abuse alcohol and/or cigarette packs, the results of this research could serve to further develop diagnostic guidelines.
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  • 文章类型: Journal Article
    UNASSIGNED: One of the key factors in the prevention of the disease is the identification of the risk factors early in life. Based on multifactorial causation of oral submucous fibrosis (OSMF), apart from habit history, the genetical predisposition may be considered as an important risk factor in the occurrence of OSMF disease. The dermatoglyphic pattern may prove a salient genetic marker for the determination of OSMF as both are having similar intrauterine development period.
    UNASSIGNED: To find out and compare the association between dermatoglyphics and OSMF.
    UNASSIGNED: The present study was conducted on total 108 subjects divided in three groups where Group A was subjects with OSMF, Group B was subjects with tobacco related habits but without OSMF, and Group C was healthy controls. Fingerprint patterns of both hands were recorded and classified into whorls, loops and arches.
    UNASSIGNED: The loop pattern was significantly higher in subjects having OSMF (Group A) as compared Group B and Group C in general as well as for left and right hands. The maximum prominence of loop patterns was noted in the little finger among the subjects with OSMF. Results for subjects with OSMF and without OSMF under five years of having tobacco chewing habits had also clearly demonstrated prominence of loop patterns in the subjects with OSMF.
    UNASSIGNED: The results of our study show that there is a staunch possibility of genetically determined factors in the form of loop finger prints can be responsible for the occurrence of OSMF.
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  • 文章类型: Journal Article
    Waardenburg综合征包括伴有各种视觉困难的耳聋。描述了双胞胎在识别这种疾病和促进对其起源和症状的理解中的作用,从1916年开始,一直持续到现在。接下来是当前对单卵(MZ)双胞胎不同皮纹特征的研究,双生子矢状面缝合突突,女性双胞胎的血压,和MZ双胞胎\'教育和政治知识。最后一部分介绍了媒体报道,描述了围绕相互体外受精产生的双胞胎的争议,分开饲养的三胞胎有限的电视连续剧,被绑架的双胞胎婴儿,Winkelvoss双胞胎被证券交易委员会指控,从“我”到“我们”。
    Waardenburg\'s syndrome involves deafness accompanied by various visual difficulties. The role of twins in identifying this disorder and advancing understanding of its origins and symptoms is described, beginning in 1916 and continuing to the present. This overview is followed by current research on monozygotic (MZ) twins\' different dermatoglyphic features, twins with sagittal suture crainosynostosis, blood pressure in female twins, and MZ twins\' education and political knowledge. The final section presents media reports describing controversies surrounding twins created by reciprocal in vitro fertilization, reared-apart triplets\' limited TV series, abducted twin infants, the Winkelvoss twins\' charges by the Securities and Exchange Commission, and going from \'Me\' to \'We\'.
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  • 文章类型: Case Reports
    这项研究是对历史遗产旅要求的十张照片中手指上观察到的摩擦皮肤细节的指纹比较。这些照片已被上传到在线市场,并显示一只手拿着据称被盗的不同考古作品。在十幅图像经过数字优化后,为了进行指纹比较和搜索,确定了七个包含足够清晰和连续的脊线细节。将这些印记与被调查对象的指纹进行比较。其中四个与食指匹配,两个用中指,一个用无名指,全部从左手。这些指纹也被输入西班牙自动指纹识别系统,导致与司法警察小组调查的个人匹配。
    This study is a fingerprint comparison of the friction skin detail observed on fingers appearing in ten photographs requested by the Historic Heritage Brigade. These photographs had been uploaded to an online marketplace and show a hand holding different archaeological pieces that had allegedly been stolen. After the ten images had been digitally optimized, seven were determined to contain sufficient clear and continuous ridge detail for the purpose of fingerprint comparison and search. These imprints were compared to the fingerprints of the subject under investigation. Four of them were matched to the index finger, two with the middle finger and one with the ring finger, all from the left hand. These fingerprints were also entered into the Spanish Automated Fingerprint Identification System, resulting in a match to the individual under investigation by the Judicial Police Group.
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  • 文章类型: Journal Article
    UNASSIGNED: The objective of the study is to determine the association between nonsyndromic oral clefts (OC) in children and ABO, Rh blood groups, lip, and dermatoglyphic patterns of their unaffected parents.
    UNASSIGNED: This case-control study was conducted at a tertiary cleft center in Chennai, India, among 240 individuals comprising 80 units (40 cases and controls, respectively). Each unit (triad) was constituted by a child (0-12 years of age) either born with nonsyndromic OC (cases) or with no diagnosed congenital anomaly (control) and their unaffected parents (mother and father). ABO and Rh blood groups, specific lip print, fingerprint pattern, and palmar asymmetry were recorded for each individual. Strength of association of related factors was assessed by multivariable logistic regression reported as adjusted odds ratios and 95% confidence interval.
    UNASSIGNED: A1-positive blood group was found to be considerably higher among case mothers (14.39 [1.57-32.27]). A higher odds of OCs were observed among case mothers with whorl lip pattern (1.51 [1.16-3.17]) and radial loop pattern in fingers (1.44 [1.09-2.31]) relative to controls. In addition, palmar asymmetry was distinctively higher among case parents compared to controls (P < 0.01).
    UNASSIGNED: Findings indicate that A1-positive blood group, higher frequency of whorl lip, and radial loop finger patterns in mothers and higher ulnar loop pattern in fathers and palmar asymmetry in both parents increases odds of occurrence of OC among their offspring. These identifiable traits offer potential scope for better service planning among resource-constrained disadvantaged communities in India.
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  • 文章类型: Journal Article
    Bayesian networks have shown to be a useful tool for the evaluation of forensic findings given activity level propositions. In this paper, we demonstrate how case specific experiments can be used to assign probabilities to the states of the nodes of a Bayesian network for the evaluation of fingermarks given activity level propositions. The transfer, persistence and recovery of fingermarks on knives is studied in experiments where a knife is either used to stab a victim or to cut food, representing the activities that were disputed in the case of the murder of Meredith Kercher. Two Bayesian networks are constructed, exploring the effect of different uses of the experimental data by assigning the probabilities based on the results of the experiments. The evaluation of the findings using the Bayesian networks demonstrates the potential for fingermarks in addressing activity level propositions.
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  • 文章类型: Journal Article
    The paper presents the procedure followed to fully solve a forensic case which occurred in Southeastern Spain through the collaboration of specialists from different scientific areas belonging to two different government institutions, a public University and the Guardia Civil. Entomological evidence was required to estimate the PMI in order to settle the perimortem circumstances. Piophila megastigmata (Diptera: Piophilidae) is reported for the first time from a forensic case in Spain, enhancing the interest of its presence in corpses to estimate the PMI. The procedure followed for each scientific specialist is detailed and the possibilities and requirements of each discipline are discussed in detail. Taking into account that institutional interdisciplinary collaboration is not a rule in solving cases of forensic investigation in Spain, the relevance and need of such interdisciplinary collaboration in solving cases of forensic investigation is emphasized.
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  • 文章类型: Journal Article
    Adermatoglyphia is a very rare autosomal-dominant condition that is genetically inherited and causes an individual to be born without conventional ridge detail on either their palmar or plantar surfaces (the fingers and palms of the hands and the toes and the soles of the feet). While adermatoglyphia has been the focus of medical and genetic research, no previous research has been conducted with regard to the forensic recovery and identification of marks from an adermatoglyphic individual. By observation of ridge detail donated by an adermatoglyphic subject, the study uses different methods in order to capture fingermarks (methods include: inked capture, livescan (biometric) capture, cyanoacrylate fuming, ninhydrin enhancement, and physical developer). Unusually, the purpose of this paper ends up presenting a number of examples of an absence of evidence; unsuccessful attempts made to capture and enhance fingerprint ridge detail. This is determined over a range of standard means including \"live\" donations by the adermatoglyphic subject onto the Livescan system, and enhancements of latent donations. The subject shows to leave either insubstantial fingermarks with no detail, or no mark whatsoever.
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  • 文章类型: Journal Article
    UNASSIGNED: Dental caries is a microbiological disease affecting teeth which has both genetic as well as environmental factors. Dermatoglyphics is the study of fingerprint patterns and is also genetically determined. This study is aimed to determine a correlation between dermatoglyphic patterns and caries susceptibility among children.
    UNASSIGNED: A total of 250 children (125 each of case and control groups) were selected. Dental caries status was evaluated using the DMFT index while dermatoglyphic study was performed by recording impressions using stamp pad-ink method.
    UNASSIGNED: Higher frequency of all dermatoglyphic patterns was observed among female subjects with caries as compared to caries-free subjects as well as compared to male subjects.
    UNASSIGNED: Dermatoglyphics can be employed as a positive indicator of caries susceptibility among children and holds importance in the area as future caries predictor.
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