Individuality

个性
  • 文章类型: Journal Article
    围绕人脑功能网络组织的许多最新发展都集中在跨个体群体平均的数据上。虽然这种群体层面的方法已经为大脑的大规模分布式系统提供了相当大的启示,他们掩盖了网络组织中的个体差异,最近的工作已经证明是普遍和广泛的。这种个体差异在组分析中产生噪音,它们可以将作为参与者之间不同功能系统一部分的区域平均在一起,限制可解释性。然而,成本和可行性限制可能会限制研究中个体水平映射的可能性。在这里,我们的目标是利用有关个人水平的大脑组织的信息来概率映射常见的功能系统,并确定高受试者间共识的位置,以用于组分析。我们在具有相对较高数据量的多个数据集中概率映射了14个功能网络。所有网络都显示“核心”(高概率)区域,但在它们的高变异性成分的程度上彼此不同。这些模式在具有不同参与者和扫描参数的四个数据集上很好地复制。我们从这些概率图产生了一组高概率感兴趣区域(ROI);这些和概率图公开可用,以及用于查询与任何给定皮质位置相关联的网络成员资格概率的工具。这些定量估计和公共工具可以允许研究人员将关于受试者间共识的信息应用于他们自己的功能磁共振成像研究。改进对系统及其功能专业化的推论。
    Many recent developments surrounding the functional network organization of the human brain have focused on data that have been averaged across groups of individuals. While such group-level approaches have shed considerable light on the brain\'s large-scale distributed systems, they conceal individual differences in network organization, which recent work has demonstrated to be common and widespread. This individual variability produces noise in group analyses, which may average together regions that are part of different functional systems across participants, limiting interpretability. However, cost and feasibility constraints may limit the possibility for individual-level mapping within studies. Here our goal was to leverage information about individual-level brain organization to probabilistically map common functional systems and identify locations of high inter-subject consensus for use in group analyses. We probabilistically mapped 14 functional networks in multiple datasets with relatively high amounts of data. All networks show \"core\" (high-probability) regions, but differ from one another in the extent of their higher-variability components. These patterns replicate well across four datasets with different participants and scanning parameters. We produced a set of high-probability regions of interest (ROIs) from these probabilistic maps; these and the probabilistic maps are made publicly available, together with a tool for querying the network membership probabilities associated with any given cortical location. These quantitative estimates and public tools may allow researchers to apply information about inter-subject consensus to their own fMRI studies, improving inferences about systems and their functional specializations.
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  • 文章类型: Journal Article
    Cardiovascular outcome trials in patients with type 2 diabetes at high cardiovascular risk have led to remarkable advances in our understanding of the effectiveness of GLP-1 receptor agonists and SGLT2 inhibitors to reduce cardiorenal events. In 2019, the American Diabetes Association (ADA), European Association for the Study of Diabetes (EASD), and European Society of Cardiology (ESC) published updated recommendations for the management of such patients. We are concerned that ongoing discussions focusing on the differences between the endocrinologists\' consensus report from the ADA and EASD and cardiologists\' guidelines from the ESC are contributing to clinical inertia, thereby effectively denying evidence-based treatments advocated by both groups to patients with type 2 diabetes and cardiorenal disease. A subset of members from the writing groups of the ADA-EASD consensus report and the ESC guidelines was convened to emphasise where commonalities exist and to propose an integrated framework that encompasses the views incorporated in management approaches proposed by the ESC and the ADA and EASD. Coordinated action is required to ensure that people with type 2 diabetes, cardiovascular disease, heart failure, or chronic kidney disease are treated appropriately with an SGLT2 inhibitor or GLP-1 receptor agonist. In our opinion, this course should be initiated independent of background therapy, current glycaemic control, or individualised treatment goals.
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  • 文章类型: Journal Article
    轮班工作没有普遍的标准定义,并且没有经过验证的关于工人轮班工作的完整生物学调整的报告。同样,由于研究数量少,结果测量范围狭窄,因此轮班工作容忍度的证据有限.本文讨论了迄今为止有关轮班工作容忍度个体差异的证据,并强调了未来研究的领域和工作场所实践的建议。与感知或实际轮班工作容忍度始终相关的少数因素是年轻年龄,低分的早熟或晚熟,低分的懒惰和神经质,外向性得分很高,内部控制源和灵活性和男性。重要的第一步是区分可能改变的因素,比如那些由生活方式选择决定的,以及工作时间安排特有的因素。确定轮班工作公差的决定因素和适应轮班工作的能力,无论它们是先天的和/或后天的机制,很重要,因此不太可能容忍轮班工作的工人可以自我识别,并通过适当的伤害/风险最小化策略来支持。本文还确定了未来研究的重要领域,目的是增加证据基础,我们可以在此基础上为轮班工人制定基于证据的伤害缓解策略。
    There is no standard definition of shift work universally, and no validated report of complete biological adjustment to shift work in workers. Similarly, the evidence for shift work tolerance is limited due to a small number of studies and a narrow range of outcome measures. This paper discusses evidence to date regarding individual differences in shift work tolerance and highlights areas for future research and recommendations for workplace practice. The few factors that are consistently associated with perceived or actual shift work tolerance are young age, low scores of morningness or being a late chronotype, low scores of languidity and neuroticism, high scores on extraversion, internal locus of control and flexibility and male sex. An important first step is to differentiate between factors that are potentially modifiable, such as those that are determined by lifestyle choices, and those factors specific to the working time arrangement. Identifying determinants of shift work tolerance and the ability to adjust to shift work, whether they are innate and/or acquired mechanisms, is important so workers who are less likely to tolerate shift work well can be self-identified and supported with appropriate harm/risk minimization strategies. This paper also identifies important areas for future research with the goal of increasing the evidence base on which we can develop evidence-based harm mitigation strategies for shift workers.
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  • 文章类型: Journal Article
    Information that is shared widely can profoundly shape society. Evidence from neuroimaging suggests that activity in the ventromedial prefrontal cortex (vmPFC), a core region of the brain\'s valuation system tracks with this sharing. However, the mechanisms linking vmPFC responses in individuals to population behavior are still unclear. We used a multilevel brain-as-predictor approach to address this gap, finding that individual differences in how closely vmPFC activity corresponded with population news article sharing related to how closely its activity tracked with social consensus about article value. Moreover, how closely vmPFC activity corresponded with population behavior was linked to daily life news experience: frequent news readers tended to show high vmPFC across all articles, whereas infrequent readers showed high vmPFC only to articles that were more broadly valued and heavily shared. Using functional connectivity analyses, we found that superior tracking of consensus value was related to decreased connectivity of vmPFC with a dorsolateral PFC region associated with controlled processing. Taken together, our results demonstrate variability in the brain\'s capacity to track crowd wisdom about information value, and suggest (lower levels of) stimulus experience and vmPFC-dlPFC connectivity as psychological and neural sources of this variability.
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  • 文章类型: Journal Article
    To (a) determine what is known about the individual and contextual factors that may influence whether a woman with ovarian cancer receives guideline care, and (b) identify patient-centered research priorities in ovarian cancer.
    A systematic review of the PubMed, MEDLINE, CINAHL Complete, and PsycInfo online databases. Eligible articles were published in English, described original research, and either (a) identified factors associated with the receipt of guideline care for ovarian cancer, or (b) described treatment decision making by women with ovarian cancer. Studies were excluded in which women with ovarian cancer did not comprise the entire sample of patient participants. Data were collected in accordance with Garrard\'s Matrix Method. Study quality was evaluated using the QualSyst tool for evaluating primary research papers. Relevant study findings were imported into NVivo Pro 11 for qualitative synthesis.
    The search strategy yielded 502 unique citations, of which 78 full-text articles were reviewed. Thirty-three articles met the criteria for inclusion. Study quality was high overall. Factors associated with the receipt of guideline care included race and ethnicity, socioeconomic status, insurance type, age, comorbidity, disease stage, tumor characteristics, hospital volume, hospital type, physician volume, and geographic location. Influences on treatment decision making among women with ovarian cancer included the desire to prolong survival, the patient-provider relationship, perceived ability to participate in the treatment decision, values and preferences, information needs, side effects, cost of care, and past experiences with chemotherapy.
    There is a need for further research that examines ovarian cancer treatment decision making from the perspective of the patient. Priority topics for future research may include the experiences of diverse women receiving treatment for ovarian cancer and the role of shared decision making with providers, referral networks, and practice patterns in the delivery of guideline care.
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  • 文章类型: Journal Article
    了解那些符合和不符合身体活动建议的人的个体差异可以为增加身体活动的目标提供信息。运动强化可能是这样一个个体水平的决定因素,但尚不清楚符合活动指南的人是否具有更大的有氧运动训练(RRVAT)或阻力训练(RRVRT)的相对强化价值(RRV)。RRVAT或RRVRT的预测因子也未知。
    确定符合有氧活动或肌肉强化活动指南的个体是否具有更高的RRVAT或RRVRT,以及对运动强度的偏好和耐受性是否可以预测RRVAT或RRVRT。
    测量男性(n=38)和女性(n=50)的RRVAT,RRVRT,几分钟的剧烈体力活动,通常的抵抗训练行为,并完成了《运动强度偏好和容忍度问卷》。
    符合有氧活动和肌肉强化活动的体力活动指南的人的RRVAT增加了58%,RRVRT增加了54%,分别,而不是那些不符合这些准则的人。对运动强度的偏好和耐受性与更大的RRVRT相关(p<0.01),但不是RRVAT。
    具有较高的运动模式的RRV与满足该运动模式的活动指南相关。运动过程中的不适耐受性与阻力运动的RRV增加有关。
    Understanding individual-differences of those people who do and do not meet physical activity recommendations could inform targets for increasing physical activity. Exercise reinforcement may be one such individual-level determinate, but it is not yet known whether those who meet activity guidelines have a greater relative reinforcing value (RRV) of aerobic exercise training (RRVAT) or resistance training (RRVRT). The predictors of RRVAT or RRVRT are also not yet known.
    To determine whether individuals who meet aerobic activity or muscle strengthening activity guidelines have greater RRVAT or RRVRT and whether the preference and tolerance for exercise intensity predicts RRVAT or RRVRT.
    Men (n=38) and women (n=50) were measured for RRVAT, RRVRT, minutes of vigorous physical activity, usual resistance training behavior, and completed the Preference for and Tolerance of the Intensity of Exercise Questionnaire.
    Individuals who met physical activity guidelines for aerobic activity and muscle strengthening activity had 58% greater RRVAT and 54% greater RRVRT, respectively, than those who did not meet these guidelines. Preference and tolerance for exercise intensity was associated (p<0.01) with greater RRVRT, but not RRVAT.
    Having greater RRV of a mode of exercise is associated with meeting activity guidelines for that mode of exercise. Discomfort tolerance during exercise is associated with greater RRV of resistance exercise.
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  • 文章类型: Journal Article
    BACKGROUND: Despite the accepted health consequences of obesity, emerging research suggests that a significant segment of adults with obesity are metabolically healthy (MHO). To date, MHO individuals have been shown to have higher levels of physical activity (PA), but little is known about the importance of PA domains or the influence of weight history compared to their metabolically abnormal (MAO) counterpart.
    OBJECTIVE: To evaluate the relationship between PA domains, PA guideline adherence, and weight history on MHO.
    METHODS: Pooled cycles of the National Health and Nutritional Examination Survey (NHANES) 1999-2006 (≥20 y; BMI ≥ 30 kg/m(2); N = 2,753) and harmonized criteria for metabolic syndrome (MetS) were used. Participants were categorized as \"inactive\" (no reported PA), \"somewhat active\" (>0 to < 500 metabolic equivalent (MET) min/week), and \"active\" (PA guideline adherence, ≥ 500 MET min/week) according to each domain of PA (total, recreational, transportation and household). Logistic and multinomial regressions were modelled for MHO and analyses were adjusted for age, sex, education, ethnicity, income, smoking and alcohol intake.
    RESULTS: Compared to MAO, MHO participants were younger, had lower BMI, and were more likely to be classified as active according to their total and recreational PA level. Based on total PA levels, individuals who were active had a 70% greater likelihood of having the MHO phenotype (OR = 1.70, 95% CI: 1.19-2.43); however, once stratified by age (20-44 y; 45-59 y; and; ≥60 y), the association remained significant only amongst those aged 45-59 y. Although moderate and vigorous PA were inconsistently related to MHO following adjustment for covariates, losing ≥30 kg in the last 10 y and not gaining ≥10 kg since age 25 y were significant predictors of MHO phenotype for all PA domains, even if adherence to the PA guidelines were not met.
    CONCLUSIONS: Although PA is associated with MHO, the beneficial effects of PA may be moderated by longer-term changes in weight. Longitudinal analysis of physical activity and weight change trajectories are necessary to isolate the contribution of duration of obesity, PA behaviours, and longer-term outcomes amongst MHO individuals.
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  • 文章类型: Journal Article
    A task like \"moving a meeting forward\" reveals the ambiguity inherent in temporal references. That speakers of U.S. English do not agree on how to solve it is well established: Roughly one half moves the meeting futurewards, the other half pastwards. But the extent to which individual speakers, rather than groups of speakers, consider such phrases as ambiguous has not been scrutinized. Does the split in readings result from a lack of intraindividual consistency or from a lack of interindividual consensus? And how specific is U.S. English in this regard when compared to other closely related Germanic languages? Based on a taxonomy of spatiotemporal frames of reference (FoRs), we conducted two experiments with speakers of Swedish, U.S. English, and German to assess individual preferences for temporal FoRs, intra- and cross-linguistic variability, consistency and long-term stability of these preferences, and possible effects of priming a spatial FoR. The data reveal cross-linguistic differences, both in terms of which temporal FoRs speakers prefer (the absolute FoR in Sweden, the intrinsic FoR in German, and both of these in the US) and in terms of the extent to which these preferences are shared and stable (high consensus and consistency in Sweden and Germany, and low consensus and partial consistency in the US). Overall, no effect of spatial priming was observed; only speakers of U.S. English with a baseline preference for the absolute temporal FoR seemed to be susceptible to spatial priming. Thus, the assumption that temporal references are affected by spatial references is only weakly supported.
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  • 文章类型: Evaluation Study
    2001 French guidelines on the modalities of post-detoxification care for alcohol-dependent patients recommend life-long abstinence from alcohol. Though experts of this conference have used a methodological tool based on the analysis of the literature for each specific issue, the recommended goal of abstinence only follows from expert advice and does not seem to be evaluated with the aforementioned methodological tool. Moreover, from 2001, several scientific works of higher level of evidence than expert advice show that a small but significant proportion of alcohol-dependent patients could maintain non-problematic drinking stably in time. The outcome discrepancies between patients could result from social, clinical and biological factors. Today, it seems necessary not to consider alcohol-dependent patients as a homogeneous population anymore, but on the contrary to delimit subgroups with different outcome profiles. Better knowledge about these subgroups of patients could allow the diversifying and personalising of care schemes, including in some cases temporary abstinence or controlled-drinking patterns.
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  • 文章类型: Comparative Study
    Despite the fact that disabled people comprise a heterogeneous social group, cross-impairment cultural stereotypes reflect a consistent set of beliefs used to characterize this population as dependent, incompetent, and asexual. Using a free-response methodology, stereotypical beliefs about disabled men (DM) and women (DW) were contrasted against the stereotypes of their non-disabled counterparts illustrating the dimensions considered most diagnostic of each group. Results revealed that both disabled and non-disabled participants expressed consensus about the contents of group stereotypes that exaggerate traditional gender role expectations of the non-disabled while minimizing perceived differences between DM and DW. Implications for the field of stereotyping and prejudice, and the individual and system justifying functions of cultural stereotypes are discussed.
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