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31.
Madison R. Lord Ashley B. Batastini Colin J. Smith Michael J. Vitacco Tom Eddy 《Behavioral sciences & the law》2024,42(2):96-114
Violent rhetoric online is becoming increasingly relevant to the practice of forensic mental health assessment as examinee's virtual lives may transform into real-world acts of violence. With the rise of a diverse subculture of violent online communities, the aim of the present study was to inform how concerns with online sources of collateral data and racial/ethnic biases may influence determinations of violence potential. Using an experimental design, jury-eligible participants (N = 278) and forensic mental health experts (N = 78) were presented with mock Twitter (now referred to as X) posts that varied by data source (i.e., how information was accessed) and the examinee's race/ethnicity. Results showed no differences in participants' ratings of data credibility, how much weight they would place on the posts in a threat assessment, or how likely the examinee was to act violently against his intended target. Implications regarding the interpretation of social media evidence, relevant limitations, and future research are discussed. 相似文献
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ABSTRACTIn our everyday life, we frequently switch between different tasks, a faculty that changes with age. However, it is still not understood how emotion impacts on age-related changes in task switching. Using faces with emotional and neutral expressions, Experiment 1 investigated younger (n?=?29; 18–38 years old) and older adults’ (n?=?32; 61–80 years old) ability to switch between an emotional and a non-emotional task (i.e. responding to the face's expression vs. age). In Experiment 2, younger and older adults also viewed emotional and neutral faces, but switched between two non-emotional tasks (i.e. responding to the face's age vs. gender). Data from Experiment 1 demonstrated that switching from an emotional to a non-emotional task was slower when the expression of the new face was emotional rather than neutral. This impairment was observed in both age groups. In contrast, Experiment 2 revealed that neither younger nor older adults were affected by block-wise irrelevant emotion when switching between two non-emotional tasks. Overall, the findings suggest that task-irrelevant emotion can impair task switching through reactivation of the competing emotional task set. They also suggest that this effect and the ability to shield task-switching performance from block-wise irrelevant emotion are preserved in ageing. 相似文献
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Usher M Davelaar EJ Haarmann HJ Goshen-Gottstein Y 《Psychological review》2008,115(4):1108-18; discussion 1119-26
P. B. Sederberg, M. W. Howard, and M. J. Kahana have proposed an updated version of the temporal-context model (TCM-A). In doing so, they accepted the challenge of developing a single-store model to account for the dissociations between short- and long-term recency effects that were reviewed by E. J. Davelaar, Y. Goshen-Gottstein, A. Ashkenazi, H. J. Haarmann, and M. Usher (2005). In this commentary, the authors argue that the success of TCM-A in addressing the dissociations is dependent not only on an episodic encoding matrix but--critically--also on its implicit use of a short-term memory store--albeit exponential rather than buffer-like. The authors also highlight some difficulties of TCM-A in accounting for these dissociations, and they argue that TCM-A fails to account for critical data--the presentation-rate effect--that dissociates exponential and buffer-like models. 相似文献
35.
Havekes R Nijholt IM Luiten PG Van der Zee EA 《Learning & memory (Cold Spring Harbor, N.Y.)》2006,13(6):753-759
The regulation and function of the calcium-dependent phosphatase calcineurin (CaN, protein phosphatase 2B) in learning and memory remain unclear, although recent work indicates that CaN may play a differential role in training and reversal training. To gain more insight into the involvement of CaN in these two types of learning, hippocampal CaN activity, protein levels, and expression patterns were studied in mice subjected to a reference memory version of the Y-maze task. We show that (1) training but not habituation induces a decrease in cytosolic CaN activity, (2) the recovery of cytosolic CaN activity is reversal training specific and does not reflect normal restoration of basal levels unrelated to subsequent learning, (3) cytosolic protein levels for the catalytic subunit of CaN (CaNA) are decreased at the early phase of training, but not at the early phase of reversal training, (4) CaNA immunoreactivity in the dorsal hippocampus is enhanced in the CA1 and CA3 area (but not in the dentate gyrus [DG] or subiculum [SUB]) only during reversal training. These findings indicate that memory formation is accompanied by reduced CaN activity, whereas adapting to changes in a familiar environment is accompanied by restored CaN activity. Moreover, reversal training selectively affects hippocampal CA3 and CA1 regions, suggesting a specific function of these hippocampal subregions in reversal learning. 相似文献
36.
The purpose of this study was to examine the association between dairy-product intake and hip fracture among a national sample of women aged 50 years and older. Univariate analyses using SAS procedures showed dairy-product intake was significantly associated with hip fracture. Women who had suffered hip fracture reported higher dairy use than women who had not experienced these fractures, a finding that is dramatically inconsistent with the literature. This finding may reflect positive behavioral changes resulting from the hip fracture event. Further research must focus on changes in health behavior after fracture, which may assist in understanding the roles of specific theories of health behavior. Application of principles of health behavior could improve the effectiveness of preventive treatment programs for osteoporosis. 相似文献
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The Analysis of Intervention Change in Children and Families: Methodological and Conceptual Issues Embedded in Intervention Studies 总被引:1,自引:0,他引:1
J. Mark Eddy Thomas J. Dishion Michael Stoolmiller 《Journal of abnormal child psychology》1998,26(1):53-69
This article provides an overview of methodological and conceptual issues underlying the assessment of change during psychotherapy with children and families. Three central considerations are discussed: (1) What changes do we measure? (2) When do we measure change? (3) How do we measure change? The difficulties with the traditional methods of assessing change are highlighted, and suggestions for a new paradigm that calls for expansion of the nomological network relevant to the analysis of change, as well as the inclusion of more assessment points and more reliable and valid measures of the change process, are presented. Illustrations of key points are provided from the Adolescent Transitions Program, a theoretically based intervention program targeting high-risk youth. 相似文献
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Douglas R. Eddy 《Behavior research methods》1979,11(2):131-134
Some topics in psychology are difficult to master without dynamic visual displays. This paper describes a few applications of computer-driven color graphics displays in an undergraduate laboratory in neuropsychology. The paper includes the advantages, disadvantages, and cost of this approach, as well as student reactions and evaluations. 相似文献