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111.
Alessandra S. Souza Laura Rerko Hsuan-Yu Lin Klaus Oberauer 《Attention, perception & psychophysics》2014,76(7):2080-2102
Performance in working memory (WM) tasks depends on the capacity for storing objects and on the allocation of attention to these objects. Here, we explored how capacity models need to be augmented to account for the benefit of focusing attention on the target of recall. Participants encoded six colored disks (Experiment 1) or a set of one to eight colored disks (Experiment 2) and were cued to recall the color of a target on a color wheel. In the no-delay condition, the recall-cue was presented after a 1,000-ms retention interval, and participants could report the retrieved color immediately. In the delay condition, the recall-cue was presented at the same time as in the no-delay condition, but the opportunity to report the color was delayed. During this delay, participants could focus attention exclusively on the target. Responses deviated less from the target’s color in the delay than in the no-delay condition. Mixture modeling assigned this benefit to a reduction in guessing (Experiments 1 and 2) and transposition errors (Experiment 2). We tested several computational models implementing flexible or discrete capacity allocation, aiming to explain both the effect of set size, reflecting the limited capacity of WM, and the effect of delay, reflecting the role of attention to WM representations. Both models fit the data better when a spatially graded source of transposition error is added to its assumptions. The benefits of focusing attention could be explained by allocating to this object a higher proportion of the capacity to represent color. 相似文献
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Reestablishing feelings of control after experiencing uncertainty has long been considered a fundamental motive for human behavior. We propose that rituals (i.e., socially stipulated, causally opaque practices) provide a means for coping with the aversive feelings associated with randomness due to the perception of a connection between ritual action and a desired outcome. Two experiments were conducted (one in Brazil [n = 40] and another in the United States [n = 94]) to evaluate how the perceived efficacy of rituals is affected by feelings of randomness. In a between‐subjects design, the Scramble Sentence Task was used as a priming procedure in three conditions (i.e., randomness, negativity, and neutral) and participants were then asked to rate the efficacy of rituals used for problem‐solving purposes. The results demonstrate that priming randomness increased participants' perception of ritual efficacy relative to negativity and neutral conditions. Implications for increasing our understanding of the relationship between perceived control and ritualistic behavior are discussed. 相似文献
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Lucchesi Fernando Del Mando Almeida-Verdu Ana Claudia M. Bolsoni-Silva Alessandra Turini Buffa Maria José Monteiro Benjamin das Graças de Souza Deisy 《The Psychological record》2022,72(4):697-711
The Psychological Record - Research on relations between hearing through cochlear implants and accurate speech is still scarce. The present study used the stimulus equivalence paradigm to... 相似文献
115.
Mauro B. de Souza 《Dialog》2004,43(4):288-296
Abstract : Since economic globalization hides the roots of injustice and internationalizes its consequences, any attempt to preach (which necessarily means to preach justice) must address the local church and at the same time the wider global context, hence the term "planetary justice." This article describes the current approach to Lutheran preaching in Latin America and specifically the Evangelical Lutheran Church in Brazil (IECLB). The article offers the following suggestions for Lutheran preaching throughout the world: hold form and content in creative tension; present justification as liberation; strive for a biocentric, gender conscious, and planetary symbiotic homiletic. 相似文献
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The Psychological Record - The Implicit Relational Assessment Procedure (IRAP) has been used for assessing implicit attitudes across different domains. The current study aimed to investigate... 相似文献
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Body Mass Index Is an Important Predictor for Suicide: Results from a Systematic Review and Meta‐Analysis
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Stefan Perera BSc Rebecca B. Eisen BHSc Brittany B. Dennis PhD Monica Bawor PhD Meha Bhatt BSc Neera Bhatnagar MLIS Lehana Thabane PhD Russell de Souza ScD RD Zainab Samaan MBChB MRCPsych PhD 《Suicide & life-threatening behavior》2016,46(6):697-736
Public health concerns for the independent management of obesity and suicidal behavior are rising. Emerging evidence suggests body weight plays an important role in quantifying the risk of suicide. In light of these findings, we aimed to clarify the association between body mass index (BMI) and suicidal behavior by systematically reviewing and evaluating the literature. Studies were identified by searching MEDLINE, EMBASE, PsycINFO, and CINAHL from inception to January 2015, supplemented by hand and grey literature searches. Study screening, data extraction, and risk of bias assessment were conducted in duplicate. We included 38 observational studies. Meta‐analyses supported an inverse association between BMI and completed suicide. Pooled summary estimates demonstrated that underweight was significantly associated with an increased risk of completed suicide (HR = 1.21, 95% CI 1.07 to 1.36, p = .002), and obesity (HR = 0.71, 95% CI 0.56 to 0.89, p = .003) and overweight (HR = 0.78, 95% CI 0.75 to 0.82, p < .0001) were significantly associated with a decreased risk of completed suicide relative to normal weight. A qualitative summary of the literature demonstrated conflicting evidence regarding the association between BMI and attempted suicide and revealed no association between BMI and suicidal ideation. BMI may be used to aid the assessment of suicide risk, especially that of completed suicide. However, unmeasured confounders and systematic biases of individual studies limit the quality of evidence. 相似文献