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141.
Savine AC McDaniel MA Shelton JT Scullin MK 《Journal of experimental psychology. General》2012,141(2):337-362
Prospective memory--remembering to retrieve and execute future goals--is essential to daily life. Prospective remembering is often achieved through effortful monitoring; however, potential individual differences in monitoring patterns have not been characterized. We propose 3 candidate models to characterize the individual differences present in prospective memory monitoring: attentional focus, secondary memory retrieval, and information thresholding. Two experiments using a novel paradigm, the Complex Ongoing Serial Task (COST), investigated the resource allocation patterns underlying individual differences in monitoring. Individuals exhibited differential resource allocation patterns, and the differences remained relatively stable across experimental sessions. Resource allocation patterns associated with information thresholding (high prospective memory, preserved ongoing task performance) and attentional focus (high prospective memory, inefficient ongoing task performance) were superior to secondary memory retrieval (low prospective memory, very inefficient ongoing task performance). Importantly, personality (openness, prevention focus) and cognitive (primary, working, and secondary memory) individual differences influenced monitoring patterns. This research represents the first explicit attempt to elucidate individual differences in prospective memory monitoring patterns. 相似文献
142.
Anhedonia is a core feature of major depressive disorder (MDD), but the precise nature of anhedonic symptoms is unknown. Whereas anhedonia has traditionally been viewed as a deficit in the experience of pleasure, more recent evidence suggests that reduced anticipation and motivation may also be a core feature of this symptom. Here, we provide data from a study in MDD patients and healthy controls using a translational measure of reward motivation, the Effort Expenditure for Rewards Task (EEfRT or "effort"). This task offers subjects a series of trials where they may choose to expend more or less effort for the opportunity to win varying amounts of monetary rewards. We found that MDD patients were less willing to expend effort for rewards than controls. Additionally, we observed that patients were less able to effectively use information about magnitude and probability of rewards to guide their choice behavior. Finally, within the MDD patient group, duration of the current episode was a significant negative predictor of EEfRT task performance. These findings offer novel support for theoretical models proposing that anhedonia in MDD may reflect specific impairments in motivation and reward-based decision-making. (PsycINFO Database Record (c) 2012 APA, all rights reserved). 相似文献
143.
Most cultures have metaphors for time that involve movement, for example, ‘time passes’. Although time is objectively measured, it is subjectively understood, as we can perceive time as stationary, whereby we move towards future events, or we can perceive ourselves as stationary, with time moving past us and events moving towards us. This paper reports a series of studies that first examines whether people think about time in a metaphor‐consistent manner (Study 1) and then explores the relationship between ‘time perspective’, level of perceived personal agency, and time representations (Study 2), the relationship between emotional experiences and time representation (Study 3), and whether this relationship is bidirectional by manipulating either emotional experiences (Study 4) or time representation (Study 5). Results provide bidirectional evidence for an ego‐moving representation of time, with happiness eliciting more agentic control, and evidence for a time‐moving passivity associated with emotional experiences of anxiety and depression. This bidirectional relationship suggests that our representation of time is malleable, and therefore, current emotional experiences may change through modification of time representations. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
144.
Jane Clare Jones 《希帕蒂亚:女权主义哲学杂志》2012,27(1):99-117
Prompted by the ever‐increasing cesarean rate, this paper considers the interpretive disjunct between two significant strands of feminist analysis that have arisen in the last four decades as a consequence of the phenomenon of medicalized birth. In contrast to the dominant paradigm of bioethical “Principalism,” both modes of analysis, understood as “the critique of industrialized labor” and “the critique of idealized labor,” are attentive to the way in which social discourses inform bioethical deliberation and practice, but significantly diverge in the nature of their accounts. The “industrialization critique” understands the culture of medical intervention to be impelled by an “obstetric desire” to appropriate women's reproductive potency, whereas the “idealization critique” relates new mothers’ “low childbirth satisfaction” to a pernicious normative ideal propagated by the natural childbirth movement. This paper will explore the anatomy of both critiques and interrogate their fidelity to the phenomenological insight of the body as chiasm between material and ideal. I will argue that while the insights of the idealization critique are well grounded, we must exercise caution about the critique's tendency to reductively understand the embodied experience of labor as entirely discursively produced, a gesture that risks re‐performing the dematerialization of women often effected through obstetric intervention itself. 相似文献
145.
Bennouna-Greene M Berna F Conway MA Rathbone CJ Vidailhet P Danion JM 《Consciousness and cognition》2012,21(1):247-257
Schizophrenia is a severe mental illness, which affects sense of identity. While the ability to have a coherent vision of the self (i.e., self-images) relies partly on its reciprocal relationships with autobiographical memories, little is known about how memories ground "self-images" in schizophrenia. Twenty-five patients with schizophrenia and 25 controls were asked to give six autobiographical memories related to four self-statements they considered essential for defining their identity. Results showed that patients' self-images were more passive than those of controls. Autobiographical memories underlying self-images were less thematically linked to these self-images in patients. We also found evidence of a weakened sense of self and a deficient organization of autobiographical memories grounding the self in schizophrenia. These abnormalities may account for the poor cohesiveness of the self in schizophrenia. 相似文献
146.
Kelly C Biswal BB Craddock RC Castellanos FX Milham MP 《Trends in cognitive sciences》2012,16(3):181-188
The functional MRI (fMRI) community has zealously embraced resting state or intrinsic functional connectivity approaches to mapping brain organization. Having demonstrated their utility for charting the large-scale functional architecture of the brain, the field is now leveraging task-independent methods for the investigation of phenotypic variation and the identification of biomarkers for clinical conditions. Enthusiasm aside, questions regarding the significance and validity of intrinsic brain phenomena remain. Here, we discuss these challenges and outline current developments that, in moving the field toward discovery science, permit a shift from cartography toward a mechanistic understanding of the neural bases of variation in cognition, emotion and behavior. 相似文献
147.
Man Yee Ho Sylvia Xiaohua Chen Michael Harris Bond Chin Ming Hui Clare Chan Michael Friedman 《Journal of Happiness Studies》2012,13(3):565-578
Maintaining a satisfying heterosexual relationship is important to many individuals?? happiness and physical health. Evolutionary theories on the formation of relationships suggest that adult attachment and relationship commitment are universal mechanisms for securing and maintaining such mating relationships. This study sought to understand how these two mechanisms may link to each other and how they in turn contribute to relationship satisfaction with one??s current partner in Hong Kong Chinese and American cultures. Similarities in the model for relationship satisfaction were found among young dating couples in the United States and Hong Kong. Specifically, attachment anxiety was positively linked to structural commitment, whereas attachment avoidance was negatively related to personal commitment. Both dimensions of attachment (anxiety and avoidance) and both components of commitment (personal and structural) were found to predict current relationship satisfaction significantly and equivalently across cultures, with the pathway from attachment avoidance to current relationship satisfaction similarly mediated by personal commitment in both cultural groups. These results were interpreted in terms of a probable universal logic informing the interpersonal dynamics involving attachment and relationship commitment. 相似文献
148.
Abstract A 32-item questionnaire was designed to measure multidimensional locus of control beliefs specifically about giving up smoking (SLC Scale), and administered along with the Multidimensional Health Locus of Control Scale (MHLC) and a short smoking information questionnaire to 211 smokers. Psychometric analyses of the SLC scales included a series of repeated factor and reliability analyses which resulted in a final three-factor solution, containing 11 of the original SLC items. The three factors represented the following types of locus of control for smoking: a combined Internal-Chance factor, a Significant Others factor, and a Powerful Others factor with Chronbach's alpha coefficients of internal reliability of 0.63, 0.56 and 0.55 respectively. Analyses relating to the reliability and validity of the SLC scale are presented and discussed. As expected the SLC correlated more sensibly and significantly with subjects' reported behaviour and intentions regarding giving up smoking than did the MHLC scales. 相似文献
149.
Lindsey Lilienthal Elaine Tamez Jill Talley Shelton Joel Myerson Sandra Hale 《Psychonomic bulletin & review》2013,20(1):135-141
Working memory (WM) training has been reported to benefit abilities as diverse as fluid intelligence (Jaeggi et al., Proceedings of the National Academy of Sciences of the United States of America, 105:6829–6833, 2008) and reading comprehension (Chein & Morrison, Psychonomic Bulletin & Review, 17:193–199, 2010), but transfer is not always observed (for reviews, see Morrison & Chein, Psychonomics Bulletin & Review, 18:46–60, 2011; Shipstead et al., Psychological Bulletin, 138:628–654, 2012). In contrast, recent WM training studies have consistently reported improvement on the trained tasks. The basis for these training benefits has received little attention, however, and it is not known which WM components and/or processes are being improved. Therefore, the goal of the present study was to investigate five possible mechanisms underlying the effects of adaptive dual n-back training on working memory (i.e., improvements in executive attention, updating, and focus switching, as well as increases in the capacity of the focus of attention and short-term memory). In addition to a no-contact control group, the present study also included an active control group whose members received nonadaptive training on the same task. All three groups showed significant improvements on the n-back task from pretest to posttest, but adaptive training produced larger improvements than did nonadaptive training, which in turn produced larger improvements than simply retesting. Adaptive, but not nonadaptive, training also resulted in improvements on an untrained running span task that measured the capacity of the focus of attention. No other differential improvements were observed, suggesting that increases in the capacity of the focus of attention underlie the benefits of adaptive dual n-back training. 相似文献
150.
AbstractThe Default Interventionist account suggests that by default, we often generate belief-based responses when reasoning and find it difficult to draw the logical inference. Recent research, however, shows that in some instances belief judgments take longer, are more prone to error and are more affected by cognitive load. One interpretation is that some logical inferences are available automatically and require intervention in order to respond according to beliefs. In two experiments, we investigate the effortful nature of belief judgments and the automaticity of logical inferences by increasing the inhibitory demands of the task. Participants were instructed to judge conclusion validity, believability and either font colour or font style, to increase the number of competing responses. Results showed that conflict more strongly affects judgments of believability than validity and when inhibitory demands are increased, the validity of an argument impacts more on belief judgments. These findings align with the new Parallel Processing model of belief bias. 相似文献