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461.
Williams Syndrome (WS) is marked by a relative strength in verbal cognition coupled with a serious impairment in non-verbal cognition. A strong deficit in numerical cognition has been anecdotally reported in this disorder; however, its nature has not been systematically investigated. Here, we tested 14 children with WS (mean age=7 years 2 months), 14 typically developing controls individually matched on visuo-spatial ability (mean age=3 years 5 months) as well as a larger group of typically developing controls (mean age=3 years 4 months) on two tasks to assess their understanding that counting determines the exact quantity of sets (cardinality principle). The understanding of the cardinality principle in children with WS is extremely delayed and only at the level predicted by their visuo-spatial MA. In this clinical group, only language accounted for a significant amount of the variance in cardinality understanding, whereas in the normal comparison group only visuo-spatial competence predicted the variance. The present findings suggest that visuo-spatial ability plays a greater role than language ability in the actual development of cardinality understanding in typically developing children, whereas the opposite obtains for the clinical group.  相似文献   
462.
A key claim of current theoretical analyses of the memory impairments associated with amnesia is that certain distinct forms of learning and memory are spared. A compelling example is that amnesic patients and controls are indistinguishable in repetition priming but amnesic patients are impaired at recognizing the study items. The authors show that this pattern of results is predicted by a single-system connectionist model of learning in which amnesia is simulated by a reduced learning rate. They also demonstrate that the model can reproduce the converse pattern in which priming but not recognition is impaired if the input is assumed to be additionally degraded in a priming test. The authors conclude that dissociations between priming and recognition do not require functionally or neurally distinct memory systems.  相似文献   
463.
It is known that concurrent non-temporal tasks shorten reproduced temporal durations in prospective duration judgments. Two experiments were carried out, one comparing a concurrent temporal task to a minimally demanding concurrent task (Experiment 1) and one comparing an executive concurrent (Simon) task with a less demanding non-executive concurrent task (Experiment 2). An effect of the concurrent task type on temporal reproductions was found. Furthermore, a duration length effect was found, where longer durations were underestimated more than shorter durations. This effect tended to be stronger for the experiments that included a concurrent task that demanded high attention.  相似文献   
464.
This study examined experiences of external and internalized heterosexism and sexism and their links to coping styles and psychological distress among 473 sexual minority women. Using an online sample of United States lesbian and bisexual women, the findings indicated that many participants experienced heterosexist and sexist events at least once during the past 6 months, and a number of participants indicated some level of internalized oppression. Supporting an additive multiple oppression perspective, the results revealed that when examined concurrently heterosexist events, sexist events, internalized heterosexism, and internalized sexism were unique predictors of psychological distress. In addition, suppressive coping and reactive coping, considered to be maladaptive coping strategies, mediated the external heterosexism-distress, internalized heterosexism-distress, and internalized sexism-distress links but did not mediate the external sexism-distress link. Reflective coping, considered to be an adaptive coping strategy, did not mediate the relations between external and internalized heterosexism and sexism and psychological distress. Finally, the variables in the model accounted for 54 % of the variance in psychological distress scores. These findings suggest that maladaptive but not adaptive coping strategies help explain the relationship between various oppressive experiences and psychological distress.  相似文献   
465.
The purpose of this study was to evaluate the utility of a breast cancer risk assessment (BCRA) at the time of screening mammogram. Women whose BCRA indicated a high risk for cancer received a letter with instructions for breast health care and genetic counseling if appropriate. After 6 months this group received surveys to evaluate their risk perception and their recall of, and compliance with, recommendations. We also explored the impact of other variables such as a recommendation for genetic counseling and physician communication with the women. After the BCRA, the majority of high risk women reported no change in their perceived risk of cancer. A woman’s perceived risk of cancer after a BCRA was significantly associated with her recall of recommendations for breast health care, but not with compliance. A recommendation for genetic counseling was not significantly related to women’s perceived risk of cancer after the BCRA. Ten percent of women who should have obtained genetic counseling actually completed an appointment. Women who discussed their BCRA results with their physicians were more compliant with a six month breast exam with a doctor (53% vs 17%, p = 0.018). Overall, women felt that the BCRA was helpful and did not cause undue stress or anxiety. Although the cohort’s compliance with recommendations was suboptimal, physicians’ interactions with their patients may have a positive influence on their compliance.  相似文献   
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ABSTRACT— Two experiments examined how rendering different intergroup ideologies salient affects dominant- and minority-group members' behavior during, and experience of, intergroup interactions. We hypothesized that ideologies that encourage an outward focus on appreciating out-group members' distinctive qualities (multiculturalism) would have more positive implications than ideologies that encourage a self-control focus on ignoring social categories and avoiding inappropriate behavior (color blindness and antiracism). As predicted, in both ostensible ( Study 1 ) and actual face-to-face ( Study 2 ) intergroup interactions, the multicultural ideological prompt led dominant- and minority-group members to adopt a more outward focus and hence to direct more positive other-directed comments to an interaction partner who was a member of an out-group. In contrast, the color-blind prompt fostered a prevention orientation in dominant-group members that led them to express negative affect toward their out-group interaction partner. The antiracist prompt had no consistent effects. Implications for efforts to improve intergroup relations are discussed.  相似文献   
469.
Many studies have documented the benefits of work and family roles for both physical and mental health. A number of these studies have suggested that work and family roles are beneficial to the degree that they entail rewarding relationships and activities. Using data from the National Survey of Families and Households (N = 10633; 17 percent African-American), this paper examines three questions: (a) Are gender and race differences in health explained by gender and race differences in work and family roles? (b) How do characteristics of work and family roles contribute to health? (c) Are there gender and race differences in the effects of work and family role characteristics? Simple occupancy of work and family roles does not explain away gender and race differences in health. Several characteristics of work and family roles have significant health effects, but there are few significant gender and race differences in those effects, and role characteristics do not change the pattern of gender and race differences in health.  相似文献   
470.
We report an experimental investigation of the effects on comprehension of increasing the decoding speed of three adult learners of English as a Second Language (ESL). Participants were taught to read lists of 25 difficult words in isolation until they could read the entire list at a mean rate of not more than 1.5 secs per word. They were then asked to read passages containing these words. Decoding speed and accuracy measures, for both the word lists and passages, and passage comprehension measures, were obtained. In a temporally contiguous within-subjects repeated trials reversal design, decoding training on isolated words was shown to be associated with significant increases in decoding speed and accuracy both in isolation and context, and improvements in the participants' comprehension. With all participants rate and accuracy gains in context were maintained in the final reversal phase, though the comprehension score gains did not. These results are discussed in terms of their implications for a decoding sufficiency hypothesis.  相似文献   
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