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391.
Trevor ChuangKuo Wu Mark D. Allen Naomi J. Goodrich-Hunsaker Ramona O. Hopkins Erin D. Bigler 《Psychological injury and law》2010,3(1):50-62
The Word Memory Test (WMT) is a commonly used symptom validity test (SVT) that assesses recognition verbal memory. The task has been adapted for use within a functional magnetic resonance imaging (fMRI) paradigm so the neural correlates of WMT activation patterns can be studied. In the current investigation, performance on the delayed recognition subtest of the WMT was examined in two patients who sustained severe TBI and compared to ten healthy controls. The patients underwent comprehensive neuropsychological evaluations and structural MRI. All participants completed two versions of the WMT: full-effort and simulated poor effort conditions. Despite extensive structural brain damage, the fMRI activation patterns during full-effort WMT performance were somewhat similar in the two TBI patients and likewise, somewhat similar to controls. The fMRI activation pattern in both patients demonstrated intact activation of the basic neural structures necessary to perform the WMT. Dissimilar patterns of activation were obtained during the simulated poor effort condition of WMT performance suggesting that fMRI techniques may be sensitive in demonstrating non-credible cognitive performance. The results of our study represent the first fMRI investigation of normal and simulated poor effort SVT performance in individuals with documented brain damage. The implications of fMRI techniques in SVT research and their clinical application are discussed. 相似文献
392.
393.
This article examines relationships between state agencies andlocal communities, using survey and interview data from a casestudy of the Iowa Department of Transportation. It argues thatthese relationships often parallel the agency-clientele relationshipsobserved by public administration scholars. The agency derivessimilar benefits from local government support as from privateclientele support, namely, an independent power base that helpsto preserve its flow of resources and its administrative autonomy.IDOT possesses formidable political resources in the breadthand intensity of its clientele, but the key to IDOT's successis the skillful utilization of those resources through an administrativestrategy stressing the development of widely accepted technicaldecision-criteria and an administrative style emphasizing accessibility,responsiveness, and flexibility. A survey of mayors and localbusiness leaders shows that this strategy has generated widespreadpositive perceptions of the department among these clientelegroups. 相似文献
394.
Allen J Mohatt GV Rasmus SM Hazel KL Thomas L Lindley S 《Journal of prevention & intervention in the community》2006,32(1-2):41-59
A collaborative research process engaging Alaska Native communities in the study of protective factors in Alaska Native sobriety and the design of a preventative intervention using its findings is described. Study 1 was discovery oriented qualitative research whose objectives were identification of protective factors and development of a heuristic model. Study 2 involved quantitative survey methods to develop and test ameasure of protective factors identified by the qualitative study. Empirical data from these studies is presented, and the role of Alaska Native co-researchers who did not possess specialist research training is described in the design and implementation of the study, interpretation of findings, and design of the intervention model and tools. Benefits that emerged from co-researcher involvement in this process, to the community and to the co-researchers themselves, are described. 相似文献
395.
396.
Prahlow JA Allen SB Spinder T Poole RA 《The American journal of forensic medicine and pathology》2003,24(3):243-247
In this report we present a case of pseudo-gunpowder stippling caused by fragmentation of a plated bullet. Investigation of the incident revealed absence of an interposed target, no evidence of ricochet, and a normally functioning, undamaged weapon. Electroplated ("plated" or "coated") bullets are relatively uncommon. They look similar to jacketed bullets in that the lead core is covered by a copper-colored jacketlike material. However, the copper-colored plating material is thinner than the typical jacket material. In certain instances, the plating may strip away from the lead core during transit through the barrel of the weapon and can produce injuries that mimic gunpowder stippling. Forensic pathologists are advised to be aware of this phenomenon. Misinterpretation of such wounds could result in improper classification of range of fire or improper conclusions about the presence or absence of an interposed target or ricochet. 相似文献
397.
Walker C Thomas J Allen TS 《International journal of offender therapy and comparative criminology》2003,47(5):556-567
There are few effective treatments of antisocial personality disorder (APD). Preliminary work suggests that the atypical antipsychotic quetiapine can decrease irritability, impulsivity, and aggressiveness. Data were collected from 4 patients with APD who were referred to a maximum-security inpatient psychiatric facility for pretrial evaluation and were treated with quetiapine. Quetiapine was effective in these patients as was indicated by a decrease in symptoms such as impulsivity, hostility, aggressiveness, irritability, and rage reactions. Typical dosage was 600 to 800 mg per day. Patients attributed their willingness to comply with quetiapine treatment to both the effectiveness of the drug and its favorable adverse-event profile. Quetiapine was successfully combined with mood stabilizers, particularly gabapentin, in patients with prominent affective instability. Quetiapine has demonstrated efficacy in aggression, impulsivity, and irritability and has proved to be an effective medication in these patients with APD. In addition, its favorable adverse-event profile makes patients willing to comply. 相似文献
398.
Divne AM Nilsson M Calloway C Reynolds R Erlich H Allen M 《Journal of forensic sciences》2005,50(3):548-554
The mitochondrial hypervariable regions I and II have proven to be a useful target for analysis of forensic materials, in which the amount of DNA is limited or highly degraded. Conventional mitochondrial DNA (mtDNA) sequencing can be time-consuming and expensive, limitations that can be minimized using a faster and less expensive typing assay. We have evaluated the exclusion capacity of the linear array mtDNA HVI/HVII region-sequence typing assay (Roche Applied Science) in 16 forensic cases comprising 90 samples. Using the HVI/HVII mtDNA linear array, 56% of the samples were excluded and thus less than half of the samples require further sequencing due to a match or inconclusive results. Of all the samples that were excluded by sequence analysis, 79% could be excluded using the HVI/HVII linear array alone. Using the HVI/HVII mtDNA linear array assay, we demonstrate the potential to decrease sequencing efforts substantially and thereby reduce the cost and the turn-around time in casework analysis. 相似文献
399.
400.
Ray DA Walker JA Hall A Llewellyn B Ballantyne J Christian AT Turteltaub K Batzer MA 《Forensic science international》2005,153(2-3):117-124
The inference of an individual's geographic ancestry or origin can be critical in narrowing the field of potential suspects in a criminal investigation. Most current technologies rely on single nucleotide polymorphism (SNP) genotypes to accomplish this task. However, SNPs can introduce homoplasy into an analysis since they can be identical-by-state. We introduce the use of insertion polymorphisms based on short interspersed elements (SINEs) as a potential alternative to SNPs. SINE polymorphisms are identical-by-descent, essentially homoplasy-free, and inexpensive to genotype using a variety of approaches. Herein, we present results of a blind study using 100 Alu insertion polymorphisms to infer the geographic ancestry of 18 unknown individuals from a variety of geographic locations. Using a Structure analysis of the Alu insertion polymorphism-based genotypes, we were able to correctly infer the geographic affiliation of all 18 unknown human individuals with high levels of confidence. This technique to infer the geographic affiliation of unknown human DNA samples will be a useful tool in forensic genomics. 相似文献