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Short-term memory (STM) for haptic information was examined in a delayed matching-to-sample (DMTS) task. Three rhesus monkeys were tested in DMTS with all possible combinations of different-size spheres and cubes as the sample and comparison stimuli. The results showed that the decrease in percentage correct as a function of the retention intervals was relatively independent of the size and shape of the sample and comparison stimuli. In general, at each retention interval, percentage correct was higher when the (1) comparison stimuli differed in both size and shape than when the comparison stimuli differed in only size or shape, (2) size differences between the comparison stimuli increased, and (3) samples were spheres rather than cubes. This pattern of results suggests that dimensions of the haptic stimuli influenced discrimination but had little effect on the animals’ STM. In Experiment 2, the same three monkeys responded to the sample and comparison stimuli with the same hand or responded to the sample with one hand and the comparison stimuli with the opposite hand. The decrease in percentage correct across retention intervals was comparable for all possible hand combinations. These results suggest that the loss of information from STM is comparable when the sample and comparison stimuli are both felt with the same hand or with opposite hands. 相似文献
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Janeé M. Steele 《Counselor Education & Supervision》2008,48(2):74-85
There are few pedagogical resources that describe how counselor educators can prepare counseling students to advocate for social justice. This article highlights a constructivist approach to social justice advocacy training called the Liberation Model. The principles of the Liberation Model are discussed, and recommendations for implementing the model in graduate counseling courses are provided. The purpose of the model is to help students develop the knowledge, awareness, and skills necessary for social justice advocacy. 相似文献
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Thea Cameron-Faulkner Nivedita Malik Circle Steele Stefano Coretta Ludovica Serratrice Elena Lieven 《Child development》2021,92(1):273-290
Many Western industrialized nations have high levels of ethnic diversity but to date there are very few studies which investigate prelinguistic and early language development in infants from ethnic minority backgrounds. This study tracked the development of infant communicative gestures from 10 to 12 months (n = 59) in three culturally distinct groups in the United Kingdom and measured their relationship, along with maternal utterance frequency and responsiveness, to vocabulary development at 12 and 18 months. No significant differences were found in infant gesture development and maternal responsiveness across the groups, but relationships were identified between gesture, maternal responsiveness, and vocabulary development. 相似文献
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This study explored the problem-solving schemas developed by 7th-grade pre-algebra students as they participated in a teaching
experiment that was designed to help students develop effective schemas for solving algebraic problem situations involving
contexts of (1) growth and change and (2) size and shape. This article describes the qualities and types of schemas that students
developed through examples of problems used to develop schemas, examples of students' reasoning and writing, and excerpts
from student interviews. Findings from the study indicated that there is a link between the type of generalizations students
construct and the schemas they are forming. By using these schemas students recognize, extend, and generalize patterns and
quantitative relationships both verbally and symbolically.
This revised version was published online in July 2006 with corrections to the Cover Date. 相似文献
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Shuo Ma Chencheng Zhang Ti-fei Yuan Douglas Steele Valerie Voon Bomin Sun 《国家科学评论(英文版)》2020,7(3):702
Addiction is a major public-health crisis associated with significant disability and mortality. Although various pharmacological and behavioral treatments are currently available, the clinical efficacy of these treatments is limited. Given this situation, there is a growing interest in finding an effective neurosurgical treatment for addiction. First, we discuss the use of ablative surgery in treating addiction. We focus on the rise and fall of nucleus accumbens ablation for addiction in China. Subsequently, we review recent studies that have explored the efficacy and safety of deep-brain-stimulation treatment for addiction. We conclude that neurosurgical procedures, particularly deep-brain stimulation, have a potentially valuable role in the management of otherwise intractable addictive disorders. Larger well-controlled clinical trials, however, are needed to assess clinical efficacy and safety. We end by discussing several key issues involved in this clinical field and identifying some areas of progress. 相似文献
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Elite sports are widely considered by national governments as a merit good through which many benefits to society as whole can be fostered through the stimulation of ‘national pride’ and ‘happiness’ (or ‘wellbeing’). The aim of this paper is to analyze what factors influence perceived national pride and happiness when athletes succeed at major national and/or international competitions. Based on a nation-wide survey, data was collected from n = 2006 randomly selected Germans by means of a computer assisted telephone interview. The results reveal that 66.2% respondents felt proud and 65.6% respondents were happy when German athletes were successful at major events. National pride and happiness were significantly explained through interest in elite sports, sport participation and socio-economic variables. The results reveal that there are differences between the perception of pride and that of happiness. Women, individuals with a low educational background, and low income and individuals having a migration background are the population segments who gain most from the sporting success of elite athletes. The results show in particular that the funding of elite sports and elite athletes can be considered as policy tool for social integration. 相似文献