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901.
902.
To explore the mechanisms underlying the ability to intentionally forget, the present study combined an itemmethod directed
forgetting paradigm with tasks that measure stop-signal inhibition (Experiments 1 and 2) and inhibition of return (IOR; Experiment
2). Following each study-phase instruction to remember (R) or forget (F), a target was presented centrally (Experiment 1)
or to the left or right in the visual periphery (Experiment 2); the target required a speeded response that was sometimes
countermanded by a central stop signal. Although stopsignal reaction times were unaffected by the preceding memory instruction
(or relationship with word-target location), F instructions improved stopping and delayed responses. Replicating previous
findings in the literature, significant IOR was observed following F instructions but not following R instructions (Experiment
2). These findings suggest that intentional forgetting is an active cognitive process that more likely engages attentional
mechanisms related to orienting than those related to stop-signal inhibition. 相似文献
903.
Paul Johan Karlsen Richard J. Allen Alan D. Baddeley Graham J. Hitch 《Memory & cognition》2010,38(3):292-303
Recent studies of visual short-term memory have suggested that the binding of features such as color and shape into remembered
objects is relatively automatic. A series of seven experiments broadened this investigation by comparing the immediate retention
of colored shapes with performance when color and shape were separated either spatially or temporally, with participants required
actively to form the bound object. Attentional load was manipulated with a demanding concurrent task, and retention in working
memory was then tested using a single recognition probe. Both spatial and temporal separation of features tended to impair
performance, as did the concurrent task. There was, however, no evidence for greater attentional disruption of performance
as a result of either spatial or temporal separation of features. Implications for the process of binding in visual working
memory are discussed, and an interpretation is offered in terms of the episodic buffer component of working memory, which
is assumed to be a passive store capable of holding bound objects, but not of performing the binding. 相似文献
904.
905.
The term representational momentum (RM) refers to the idea that our memory representations for moving objects incorporate information about movement – a fact that can lead us to make errors when judging an object’s location (the RM effect). In this study, we explored the RM effect in a sample of children born very prematurely and a sample born at term. Because preterm children are known to be at risk for problems with motion perception, we anticipated that they would show a weaker or absent RM effect. This prediction was confirmed. In addition, we found that, in both samples of children, 5–6 year olds showed a reduced RM effect compared to 7–9 year olds. These results demonstrate that the ability to represent motion information in memory shows continued development over this age range, and may help to elucidate factors contributing to problems with fine and gross motor planning and execution that have been observed in the preterm population. We propose that problems affecting the formation, maintenance, or use of predictive models, or motion extrapolation skills, may have cascading effects on the development of other abilities. 相似文献
906.
Bernstein A Stickle TR Zvolensky MJ Taylor S Abramowitz J Stewart S 《Behavior Therapy》2010,41(4):515-529
The present study tested multiple, competing latent structural models of anxiety sensitivity (AS), as measured by the Anxiety Sensitivity Index-3 (ASI-3; Taylor et al., 2007). Data were collected from 3 sites in North America (N = 634). Participants were predominantly university students (M = 21.3 years, SD = 5.4). ASI-3 data were evaluated using an integration of mixture modeling and confirmatory factor analysis—factor mixture modeling (FMM; Muthén, 2008). Results supported a 2-class 3-factor partially invariant model of AS. Specifically, the FMM analyses indicated that AS is a taxonic (two-class) variable, and that each categorical class has a unique multidimensional factor structure. Consistent with the specific point-prediction regarding the hypothesized parameters of the putative latent class variable, FMM indicated that the putatively “high-risk” subgroup of cases or latent form of AS composed approximately 12% of the studied sample whereas the putatively “normative” subgroup of cases or latent form of AS composed 88% of the sample. In addition, the AS Physical and Psychological Concerns subscales, but not the Social Concerns subscale, most strongly discriminated between the two latent classes. Finally, comparison of continuous levels of AS Physical and Psychological Concerns between FMM-derived AS latent classes and independent clinical samples of patients with anxiety disorders provided empirical support for the theorized taxonic-dimensional model of AS and anxiety psychopathology vulnerability. Findings are discussed in regard to the implications of this and related research into the nature of AS and anxiety psychopathology vulnerability. 相似文献
907.
Recent years have seen growing interest into concepts of resilience, but minimal research has explored resilience to suicide and none has investigated resilience to suicide amongst clinical groups. The current study aimed to examine whether a proposed resilience factor, positive self-appraisals of the ability to cope with emotions, difficult situations and the ability to gain social support, could buffer against the negative impact of hopelessness amongst individuals with psychosis-spectrum disorders when measured cross-sectionally. Seventy-seven participants with schizophrenia-spectrum disorders completed self-report measures of suicidal ideation, hopelessness and positive self-appraisals. Positive self-appraisals were found to moderate the association between hopelessness and suicidal ideation. For those reporting high levels of positive self-appraisals, increased levels of hopelessness were significantly less likely to lead to suicidality. These results provide cross-sectional evidence suggest that positive self-appraisals may buffer individuals with psychosis against the pernicious impact of a well known clinical risk factor, hopelessness. Accounting for positive self-appraisals may improve identification of individuals at high risk of suicidality, and may be an important area to target for suicide interventions. 相似文献
908.
Jennifer L. Greenberg Sarah Markowitz Michael R. Petronko Caitlin E. Taylor Sabine Wilhelm G. Terence Wilson 《Cognitive and behavioral practice》2010,17(3):248-258
The onset of appearance-related concerns associated with body dysmorphic disorder (BDD) typically occurs in adolescence, and these concerns are often severe enough to interfere with normal development and psychosocial functioning. Cognitive behavioral therapy (CBT) is an effective treatment for adults with BDD. However, no treatment studies focusing on adolescents with BDD have been conducted. The need for an effective treatment in this population led to the development of a brief CBT protocol with family involvement. The treatment focuses on enhancing an adolescent's quality of life through the reduction of maladaptive thoughts and behaviors, and incorporates skills training and parent training. Similar treatment packages have already been shown to be efficacious for children and adolescents with similar disorders, such as obsessive-compulsive disorder and social phobia. The following case illustrates the application of this brief CBT protocol for BDD in an adolescent, and highlights clinical considerations needed when adapting CBT for a pediatric population. Treatment was associated with clinically significant improvement in symptoms of BDD, self-esteem, depression, and quality of life. This report extends extant literature by suggesting that CBT may be a helpful treatment for adolescents with BDD. 相似文献
909.
Mark J.M. Sullman Joanne E. Taylor 《Transportation Research Part F: Traffic Psychology and Behaviour》2010,13(3):215-221
There is widespread use of self-report measures of driving behaviour in the traffic psychology literature, despite the frequent criticism that such measures are subject to social desirability bias. However, no research has yet investigated the more recently developed measures of driving anxiety and avoidance behaviour for socially desirable responding. Furthermore, relatively little research has investigated the issue of socially desirable responding on self-reported driver behaviour in general, and that which does exist has several shortcomings. The present study used a repeated measures design to assess the effect of social desirability on a measure of driving avoidance, the Driving and Riding Avoidance Scale (DRAS), and the Driver Behaviour Questionnaire (DBQ). A sample of 228 undergraduate students completed the DRAS, DBQ and a measure of socially desirable responding in class, which constituted a public place, and then again 2 months later in the privacy of their homes. None of the DBQ items were significantly different across the two locations. However, two of the DRAS general avoidance items were higher in the public setting, perhaps demonstrating the effect of socially desirable responding on driving avoidance due to environmental or practical concern. Nevertheless, overall it appears as though the DRAS and DBQ are not particularly vulnerable to socially desirable responding, although further well-designed research on the effects of such bias on these and other self-report measures of driving behaviour should be undertaken. 相似文献
910.
K. R. Krohn K. B. Aspiranti L. N. Foster D. F. McCleary C. M. Taylor M. L. Nalls C. C. Quillivan R. L. Williams 《Journal of Behavioral Education》2010,19(2):134-155
This study compared the effects of students’ (a) receiving participation credit with and without self-recording their participation and (b) self-recording participation with and without receiving credit for participation on the percentage of students functioning at four participation levels: non-participation, credit-level participation, frequent participation (slightly above credit-level), and dominant participation (2.5+ times above credit-level). Participants came from three sections of a relatively large discussion course (initially 55 students per section). Credit (with and without self-recording participation) decreased the percentage of both non-participants and dominant participants and increased the percentage of credit-level participants, thus creating greater balance in participation across students in each class. In contrast, self-recording versus non-self-recording (with and without credit) did not significantly differentiate the percentages of either non-participants or frequent participants but did differentiate the percentages of credit-level and dominant participants under the recording conditions. 相似文献