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21.
It is not clear whether the blind are generally superior to the sighted on measures of tactile sensitivity or whether they excel only on certain tests owing to the specifics of their tactile experience. We compared the discrimination performance of blind Braille readers and age-matched sighted subjects on three tactile tasks using precisely specified stimuli. Initially, the blind significantly outperformed the sighted at a hyperacuity task using Braille-like dot patterns, although, with practice, both groups performed equally well. On two other tasks, hyperacute discrimination of gratings that differed in ridge width and spatial-acuity-dependent discrimination of grating orientation, the performance of the blind did not differ significantly from that of sighted subjects. These results probably reflect the specificity of perceptual learning due to Braille-reading experience. 相似文献
22.
This report brings together research on motivation and learning by exploring how fit of regulatory focus affects people's ability to acquire new categories. Perceptual categories were learned by people with a promotion focus (a situationally determined sensitivity to gains) or a prevention focus (a sensitivity to losses). Classification performance was closest to optimal (as determined by models fit to individual subjects' data) when the regulatory focus matched the structure of the payoffs for the categories. Promotion-focus subjects performed best when the payoffs consisted of all gains. Prevention-focus subjects performed best when the payoffs consisted of all losses. 相似文献
23.
Investigations of childhood amnesia have almost exclusively focused on the earliest memories of adults. Here we investigate the earliest memories of children of 6--19 years old. Parents confirmed the memory events and dated the memories. There were surprisingly few developmental differences between the earliest memories of children. Although 6--9-year-olds recalled earlier events than did older children, there were no differences between older age groups. Memories from all age groups were similar in structure, social orientation, and the nature of the recalled event. However, memories of older children were more likely to involve negative affect. There were also few gender differences, although girls were more likely to recall traumatic or transitional events while boys were more likely to recall play events. Overall, results deepen the paradox of early memory: 6--9-year-olds have verbally accessible memories from very early childhood that then seem to disappear as they get older. 相似文献
24.
This article examines the theoretical basis of decision-making deficits exhibited by cocaine abusers in a laboratory decision-making
task first described by Bechara, Damasio, Damasio, and Anderson (1994). A total of 12 male cocaine abusers and 14 comparison
subjects performed the task, and the cocaine group performed significantly worse than the comparison group. A cognitive modeling
analysis (Busemeyer & Stout, 2002) was used to estimate three parameters that measure importance of the cognitive, motivational,
and response processes for determining the observed performance deficit. The results of this analysis indicated, for the first
time, that motivational and choice consistency factors, but not learning/ memory were mainly responsible for the decision-making
deficit of the cocaine abusers in this task. 相似文献
25.
Grant A. Brown 《Sexuality & culture》2004,8(3):3-139
it is the worst oppression, that is done by colour of justice --Sir Edward Coke A sign that says "men only" looks very different on a bathroom door than on a courthouse door. --U.S. Supreme Court Justice Thurgood Marshall "Is Parkinson's the toughest opponent you've ever faced, Muhammed?" someone asked. "Toughest was my first wife," he said. --Former World Heavyweight Boxing Champion Muhammed Ali A great deal of sociological evidence has been collected in the past three decades on the prevalence of abuse among adult heterosexual partners in domestic relationships of some degree of permanence. Partly as a result of this information, partner abuse has been identified as an important social ill that must be addressed aggressively through public-awareness campaigns, the funding of a broad range of support services, and the re-training of law-enforcement authorities--including police, prosecutors, and judges. However, in at least one important respect, these policy initiatives diverge substantially from what the sociological data, which ostensibly motivates them, would indicate: they have been, to date, overwhelmingly gender specific. That is, partner abuse is routinely portrayed and acted upon as though it were almost exclusively about men abusing and victimizing innocent women and, by extension, their children--despite the overwhelming sociological evidence that a significant amount of abuse is also suffered by male partners. Persistent anecdotal reports from victims and even some participants in the law-enforcement system suggest that this ideological emphasis on the male as perpetrator has had a deleterious effect on the impartial administration of justice, resulting in men being treated much more harshly than women who are accused of partner violence. This study attempts to determine whether the anecdotes are scientifically supportable. 相似文献
26.
The tripartite model of anxiety and depression: symptom structure in depressive and hypertensive patient groups 总被引:2,自引:0,他引:2
Marshall GN Sherbourne CD Meredith LS Camp P Hays RD 《Journal of personality assessment》2003,80(2):139-153
The structure of self-reported symptoms representative of the tripartite model was examined using data drawn from the Medical Outcomes Study (Tarlov et al., 1989). Participants were persons who had been diagnosed 48 months previously as suffering from either depression (N = 315) or hypertension (N = 403). Results of confirmatory factor analyses were broadly consistent with the tripartite model (L. A. Clark & Watson, 1991). Factors emerged corresponding to each of the 3 posited first-order dimensions of negative affect, positive affect, and physiologic arousal. Nonetheless, some discrepancies were found between the observed data and the hypothesized tripartite model. First, the obtained physiologic arousal factor was best viewed as reflecting nonspecific somatic distress rather than physiologic arousal. Finally, although differentiable in the strictest statistical sense, all three domains were significantly correlated (.36 to.86, absolute value). In particular, contrary to the tripartite model, positive and negative affect covaried markedly (-.81 to -.86). Findings raise issues concerning the utility of the tripartite model as a heuristic framework for enhancing understanding of individual differences in normal mood as well as mood disorders. 相似文献
27.
The relationship between optimism and two potential sources of optimistic beliefs--promotion pride (based on a history of success in promotion regulation) and prevention pride (based on a history of success in prevention regulation)--was explored. Optimism was more strongly related to promotion pride than prevention pride (controlling for neuroticism), consistent with past work showing that anticipating success increases eagerness motivation but decreases vigilance motivation. This suggests that the psychology of prevention regulators is not captured well by the existing literature on optimism. Although prevention pride does not predict self-reports of well-being, it does predict adaptive functioning independent of optimism, neuroticism, and promotion pride. Promotion pride uniquely predicted a sense of purpose in life or goal directedness. Both promotion and prevention pride predicted active coping. It is argued that promotion and prevention pride tell us something unique and important about the role of successful self-regulation in determining quality of life. 相似文献
28.
Scott T. Wright Jennifer M. Breier Rachel M. Depner Pei C. Grant Jennifer Lodi-Smith 《Counselling psychology quarterly》2018,31(2):162-185
The processes of aging and confronting mortality are often accompanied by unique psychological challenges. From the perspective of positive psychology, such challenges can yield opportunities for growth, including increased wisdom. This qualitative study explored 15 terminally ill hospice patients’ perspectives on wisdom, the dying process, and the meaning of life using consensual qualitative research methods. Most participants cited humility as a key component of wisdom, emphasizing that “Wisdom is when we realize ‘I don’t really know much’.” Other components of wisdom included self-knowledge, rationality, experiential learning, listening to and learning from others, and sharing knowledge with others. Participants also suggested that the process of facing illness and death presents opportunities for positive growth, including changing priorities and learning to appreciate life more fully in the present moment. In considering the sources of meaning in their lives, participants emphasized relational connections, personal growth, spirituality, vocational fulfilment, and living a full life. Participants also shared their reflections on important past experiences and regrets. Lastly, participants offered advice to others based on their experiences facing illness and mortality. Implications for psychological care of the dying and future research are discussed. 相似文献
29.
The present study investigated the effectiveness of two cognitive strategies for resisting a craved food. One-hundred-and-ten self-identified chocolate cravers were randomised to a waiting list control condition or to receive a 60-minute standardised group intervention on cognitive restructuring (CR) or cognitive defusion (CD). All participants were provided with a bag of chocolates which they were instructed to carry with them for seven days and try to resist eating; uneaten chocolates were returned at the end of the study period. Measures included chocolate consumption and other behavioural, cognitive and evaluative self-reported outcomes. Overall, the odds of abstinence from chocolate were 3.26 times higher for participants in the CD than the CR condition. The effect of the interventions depended on baseline cognitive distress levels; for individuals at high levels of cognitive distress the CD condition led to significantly more restraint from chocolate than both the CR and control conditions. In addition, CD led to greater self-reported improvements in eating behaviours during the study period and was rated significantly easier to use and apply than CR. CD is discussed as a simple and efficient approach to manage food cravings and, potentially, other behavioural contributors to obesity. 相似文献
30.
Andrew L. Molinsky Adam M. Grant Joshua D. Margolis 《Organizational behavior and human decision processes》2012
We investigate how, why and when activating economic schemas reduces the compassion that individuals extend to others in need when delivering bad news. Across three experiments, we show that unobtrusively priming economic schemas decreases the compassion that individuals express to others in need, that this effect is mediated by dampened feelings of empathy and heightened perceptions of unprofessionalism, and that it is circumscribed to bad news that has economic implications. We discuss implications for theory and research on schemas, procedural justice, emotion expression, and prosocial behavior. 相似文献