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Sholts SB Walker PL Kuzminsky SC Miller KW Wärmländer SK 《Journal of forensic sciences》2011,56(2):333-338
Identifying group affinity from human crania is a long-standing problem in forensic and physical anthropology. Many craniofacial differences used in forensic skeletal identification are difficult to quantify, although certain measurements of the midfacial skeleton have shown high predictive value for group classifications. This study presents a new method for analyzing midfacial shape variation between different geographic groups. Three-dimensional laser scan models of 90 crania from three populations were used to obtain cross-sectional midfacial contours defined by three standard craniometric landmarks. Elliptic Fourier transforms of the contours were used to extract Fourier coefficients for statistical analysis. After cross-validation, discriminant functions based on the Fourier coefficients provided an average of 86% correct classifications for crania from the three groups. The high rate of accuracy of this method indicates its usefulness for identifying group affinities among human skeletal remains and demonstrates the advantages of digital 3D model-based analysis in forensic research. 相似文献
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Informed consent and the changes in what is expected over the 21st century provide an instructive case study of the mutual influence on one another of medical law and medical ethics. Over the years we have moved from a doctor-centred standard to a patient-centred standard and from a one-size-fits-all patient-centred standard to a more individual requirement that engages with the needs of a particular patient It is unreasonable to expect those changes to be reflected in anything less than an extended conversation in which the health care professional gives out some version of what a reasonable patient would expect to hear from an informed health care professional and then responds to the patient's questions as informatively and helpfully as he or she can. It is therefore convenient to refer to spontaneous and responsive disclosure as a very concrete implementation of the health care professional-patient partnership that is contemporary health care and at the heart of health care ethics. 相似文献
75.
Michael L. Walker 《犯罪学》2023,61(4):1022-1044
Marshaling ethnographic data from a county jail, this study introduces “autonomy”—a novel concept and measurement of the degree to which an actor's exchange initiations are regulated by other exchange relations. This study rearticulates mutual dependence arguments about the social order of penological living in terms of social exchange theory and offers several innovations: 1) the structural forms of exchange relations in a penal housing unit stratify “carceral autonomy” across members of a social order; 2) diminished carceral autonomy contributes to the buildup of “exchange frustration”—the mixture of discontent and sadness experienced when goals cannot be achieved due the structure of an exchange network; 3) deprivations, inefficacies, and imported cultural standards contribute to what is exchanged and with whom in a penological setting; 4) caretaking in penological housing units is as much about maintaining social order through a form of generalized exchange as it is about network members helping each other; and 5) the emotional landscape of penological living can be mapped, in part, by examining the distribution of carceral autonomy and exchange frustration. 相似文献
76.
Charles Walker 《欧亚研究》2010,62(4):647-669
This article addresses orientations towards place and opportunities for rural–urban and inter-regional migration amongst graduates of vocational colleges in Ul'yanovsk Oblast'. Given the inaccessibility of the housing market and decline in the provision of student and workplace accommodation, kinship networks have become the principal means to negotiate any form of migration. However, while in some cases such networks provide ‘bridges’ to opportunities elsewhere, a general lack of networks, alongside the ‘bonding’ effects of kinship networks at the local level, acts as a significant constraint on young peoples' prospects for geographical, and social, mobility. 相似文献
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Carlos M. Grilo Dwain C. Fehon Martha Walker Steve Martino 《Journal of youth and adolescence》1996,25(3):379-388
We compared clinical syndromes, expressed concerns, and personality styles of adolescent inpatients with substance use disorders (SUD; n=44) vs. without substance use disorders (non-SUD; n=61) using the Millon Adolescent Clinical Inventory. The two groups did not differ with regard to age, sex, ethnicity, functional severity, or the frequency of other major psychiatric disorders, and were drawn from the same overall sample population. SUD subjects showed significantly higher levels of delinquent predisposition and lower levels of anxiety. Consistent with these syndromal findings, we found that SUD subjects were characterized by higher levels of unruliness and social insensitivity and lower levels of submissiveness. Our findings suggest that, in severely disturbed adolescents who require psychiatric hospitalization, externalizing phenomena are closely associated with SUD. Our findings also suggest that internalizing problems also exist in SUD, although not at levels greater than that observed in non-SUD inpatients.Received Ph.D. in clinical psychology from the University of Pittsburgh. Research interests include eating and weight disorders, addictive behaviors, behavioral medicine, psychological assessment, and psychiatric comorbidity.Received Psy.D. in clinical psychology from the University of Hartford. Research interests include psychological assessment, adolescent psychopathology, and psychiatric comorbidity.Received B.A. in Psychology from Swarthmore College. Research interests include perception, developmental psychopathology, and psychosis proneness.Received Ph.D. in clinical psychiatry from DePaul University. Research interests include the assessment and treatment of substance abusing psychiatric populations. 相似文献
80.
Reynolds R Walker K Varlaro J Allen M Clark E Alavaren M Erlich H 《Journal of forensic sciences》2000,45(6):1210-1231
We have developed a rapid, immobilized probe-based assay for the detection of sequence variation in the hypervariable segment II (HVII) of the mitochondrial DNA (mtDNA) control region. Using a panel of 17 sequence-specific oligonucleotide (SSO) probes immobilized on nylon membrane strips, we typed 689 individuals from four population groups. The genetic diversity value for each population was calculated from the frequency data, and the frequencies of distinct "mitotypes" in each group were determined. We performed DNA sequence analysis of 129 samples to characterize the sequences associated with "blanks" (absence of probe signals) and weak probe signals. Out of 689 samples, we observed five heteroplasmic samples (excluding the variable C-stretch beginning at position 303) using the immobilized SSO probe panel. The SSO probe strips were used for the analysis of shed hairs and bloodstains from several criminal cases in Sweden, one of which is described here. We conclude that this mtDNA typing system is useful for human identification and significantly decreases casework turnaround time. 相似文献