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Jill Talley Shelton Michael J. Cahill Hillary G. Mullet Michael K. Scullin Gilles O. Einstein Mark A. McDaniel 《Consciousness and cognition》2013,22(4):1223-1230
This paper reports an experiment designed to investigate the potential influence of prior acts of self-control on subsequent prospective memory performance. College undergraduates (n = 146) performed either a cognitively depleting initial task (e.g., mostly incongruent Stroop task) or a less resource-consuming version of that task (e.g., all congruent Stroop task). Subsequently, participants completed a prospective memory task that required attentionally demanding monitoring processes. The results demonstrated that prior acts of self-control do not impair the ability to execute a future intention in college-aged adults. We conceptually replicated these results in three additional depletion and prospective memory experiments. This research extends a growing number of studies demonstrating the boundary conditions of the resource depletion effect in cognitive tasks. 相似文献
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Kelly N. Graves Terri L. Shelton Nadine J. Kaslow 《The American journal of family therapy》2013,41(3):227-238
Service utilization patterns among children with severe emotional and/or behavioral disturbances are described for 89 children and families, interviewed at two time points across a 6-month period. Children received a greater number of individual therapy sessions than family therapy sessions, and children significantly decreased their levels of internalizing and externalizing behaviors. Family therapy was associated with decreases in internalizing behaviors when children reported outcomes. Individual therapy was not associated with changes in either internalizing or externalizing behaviors regardless of reporter. Symptom severity did not dictate whether children were provided individual or family therapy. Recommendations for individualized treatment plans are offered. 相似文献
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Amy M. Clements-Stephens Gisselle O. McKell-Jeffers Jean-Marie Maddux Amy L. Shelton 《Visual cognition》2013,21(7):886-909
People have a tendency to organize space by extracting meaningful shapes from the configuration of elements. However, research on spatial correspondence in children suggests that when configural processing is difficult, individuation of elements may be critical. To begin to address the distinction between the use of configurations and individuation, and changes associated with age, we relied upon perceptual grouping and manipulated the colour of the displays—promoting either extraction of configural information (monochromatic) or individuation of elements (multicoloured). In a layout reproduction task (Experiments 1 and 2), children showed a robust advantage for multicoloured arrays, whereas adults showed an attenuated advantage for monochromatic displays. Visual discrimination in adults (Experiment 3) revealed that the influence of the display type occurs at the level of perception. Taken together, these results suggest that there are (at least) two routes to establishing spatial correspondence in arrays of elements, with differential dependence over development. 相似文献
15.
Following a familiar route and finding a novel route in a familiar environment depend on different cognitive processes and representations. A recent study by Hartley et al. begins to identity the neural basis of route following and wayfinding in humans. Their study also raises important questions about the functions of the hippocampus. 相似文献
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Public opinion about neonaticide (the killing of a newborn within the first 24 hours of life) has varied across time and cultures. Some nations have passed legislation on behalf of maternal offenders with the assumption that childbirth, a time of unique biological change, may lead to mental disturbance. The United States, however, makes no such distinction; offenders are prosecuted under general homicide laws. Nevertheless, U.S. courts often consider a mother's emotional and physical condition prior to and during delivery. This study includes 44 female offenders and 45 infant deaths and highlights society's ambivalence toward neonaticide offenders. The authors suggest that this ambivalence may be attributed to: (1) the perception that an offender's emotional and physical turmoil during the birth and homicide reduces her culpability; (2) the sentiment that neonaticide offenders are more "redeemable" than other offenders; and (3) the uncertainty about the personhood of a fetus or newborn. 相似文献
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Ground-level and aerial perspectives in virtual space provide simplified conditions for investigating differences between exploratory navigation and map reading in large-scale environmental learning. General similarities and differences in ground-level and aerial encoding have been identified, but little is known about the specific characteristics that differentiate them. One such characteristic is the need to process orientation; ground-level encoding (and navigation) typically requires dynamic orientations, whereas aerial encoding (and map reading) is typically conducted in a fixed orientation. The present study investigated how this factor affected spatial processing by comparing ground-level and aerial encoding to a hybrid condition: aerial-with-turns. Experiment 1 demonstrated that scene recognition was sensitive to both perspective (ground-level or aerial) and orientation (dynamic or fixed). Experiment 2 investigated brain activation during encoding, revealing regions that were preferentially activated perspective as in previous studies (Shelton and Gabrieli in J Neurosci 22:2711-2717, 2002), but also identifying regions that were preferentially activated as a function of the presence or absence of turns. Together, these results differentiated the behavioral and brain consequences attributable to changes in orientation from those attributable to other characteristics of ground-level and aerial perspectives, providing leverage on how orientation information is processed in everyday spatial learning. 相似文献
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Cognitive costs of exposure to racial prejudice 总被引:1,自引:0,他引:1
This study examined how encountering racial prejudice affects cognitive functioning. We assessed performance on the Stroop task after subjects reviewed job files that suggested an evaluator had made nonprejudiced, ambiguously prejudiced, or blatantly prejudiced hiring recommendations. The cognitive impact of exposure to ambiguous versus blatant cues to prejudice depended on subjects' racial group. Black subjects experienced the greatest impairment when they saw ambiguous evidence of prejudice, whereas White subjects experienced the greatest impairment when they saw blatant evidence of prejudice. Given the often ambiguous nature of contemporary expressions of prejudice, these results have important implications for the performance of ethnic minorities across many domains. 相似文献
20.
The relation of patients' treatment preferences to outcome in a randomized clinical trial 总被引:2,自引:0,他引:2
Leykin Y Derubeis RJ Gallop R Amsterdam JD Shelton RC Hollon SD 《Behavior Therapy》2007,38(3):209-217
Randomization procedures are performed in order to maximize the internal validity of treatment outcome studies. Objections have been made that this practice undermines the external validity of these studies because it ignores patients' treatment preferences, thereby precluding the self-selection of treatment that can occur in the community. This study used data from a multisite, double-blind, randomized, placebo-controlled trial comparing antidepressant medication to cognitive therapy for moderately to severely depressed outpatients. It compared the treatment outcomes of patients who, via randomization, received their preferred treatment versus those who did not. Although the majority of patients stated a preference for one treatment over the other, there was no significant difference in the magnitude of reduction in symptoms of depression between those who received their treatment of choice versus those who did not. These results do not provide support for the claim that the external validity of randomized controlled trials suffers from this aspect of the randomization procedure. 相似文献