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531.
Age-related positivity enhancement is not universal: older Chinese look away from positive stimuli 总被引:1,自引:0,他引:1
Socioemotional selectivity theory postulates that with age, people are motivated to derive emotional meaning from life, leading them to pay more attention to positive relative to negative/neutral stimuli. The authors argue that cultures that differ in what they consider to be emotionally meaningful may show this preference to different extents. Using eye-tracking techniques, the authors compared visual attention toward emotional (happy, fearful, sad, and angry) and neutral facial expressions among 46 younger and 57 older Hong Kong Chinese. In contrast to prior Western findings, older but not younger Chinese looked away from happy facial expressions, suggesting that they do not show attentional preferences toward positive stimuli. 相似文献
532.
Wohldmann EL Healy AF Bourne LE 《Journal of experimental psychology. Learning, memory, and cognition》2007,33(1):254-261
In 2 experiments, the efficacy of motor imagery for learning to type number sequences was examined. Adults practiced typing 4-digit numbers. Then, during subsequent training, they either typed in the same or a different location, imagined typing, merely looked at each number, or performed an irrelevant task. Repetition priming (faster responses for old relative to new numbers) was observed on an immediate test and after a 3-month delay for participants who imagined typing. Improvement across the delay in typing old and new numbers was found for the imagined and actual typing conditions but not for the other conditions. The findings suggest that imagery can be used to acquire and retain representations of sequences and to improve general typing skill. 相似文献
533.
Kelley ME Shillingsburg MA Castro MJ Addison LR LaRue RH 《Journal of applied behavior analysis》2007,40(3):431-445
The conceptual basis for many effective language-training programs are based on Skinner's (1957) analysis of verbal behavior. Skinner described several elementary verbal operants including mands, tacts, intraverbals, and echoics. According to Skinner, responses that are the same topography may actually be functionally independent. Previous research has supported Skinner's assertion of functional independence (e.g., Hall & Sundberg, 1987; Lamarre & Holland, 1985), and some research has suggested that specific programming must be incorporated to achieve generalization across verbal operants (e.g., Sigafoos, Reichle, & Doss, 1990). The present study provides further analysis of the independence of verbal operants when teaching language to children with autism and other developmental disabilities. In the current study, 3 participants' vocal responses were first assessed as mands or tacts. Generalization for each verbal operant across alternate conditions was then assessed and subsequent training provided as needed. Results indicated that generalization across verbal operants occurred across some, but not all, vocal responses. These results are discussed relative to the functional independence of verbal operants as described by Skinner. 相似文献
534.
Raquel C. Andres-Hyman Alice Forrester Ijeoma Achara-Abrahams Mary Lou Lauricella Michael Rowe 《Journal of community & applied social psychology》2007,17(2):147-158
Youth violence in the United States has emerged as a major concern for communities, policymakers and community researchers. This paper reports on the efforts of a child mental health clinic to build a community consensus around addressing violence that affects youth and all members of the community. We describe and give case examples regarding our approach to acquiring the perspectives of the community, particularly that of youth, discuss key themes and implications that emerged from our work, and offer preliminary recommendations for designing a youth violence prevention initiative in a disenfranchised community. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
535.
Two experiments examined the effects of memory set size and information structure on learning and retention. Participants
learned 48 (small set) or 144 (large set) facts about individuals, and were tested over 48 facts. The test facts included
either 4 facts about 12 individuals (12-person condition) or 12 facts about 4 individuals (4-person condition). During learning,
there was an advantage for the small-set group in the 4-person condition, but a disadvantage in the 12-person condition. During
testing, there was an advantage for the 4-person condition relative to the 12-person condition for the small-set group, even
when the conditions were equated in terms of name exposure. The results support a mental model account of memory representation
and retrieval. 相似文献
536.
Varnava A Halligan PW 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2007,14(6):571-585
Line bisection is an established clinical task used to diagnose visuospatial neglect. To date, few studies have considered the extent to which age and sex as background variables contribute to bisection performance. Both variables affect the neural substrates underlying cognitive processes and hence the behavioural performance of bisection. The purpose of this study was to examine the effects of age and sex on normal bisection performance, using three different line lengths to elucidate the influence of these potential contributing factors. Seventy men and 70 women, divided equally into seven age-cohorts between 14 and 80 years, bisected lines. Results indicated clear age- and sex-related differences both in the magnitude and direction of bisection deviations across the three line lengths. Differences are discussed in terms of neural changes across the adult lifespan including hemispheric differences and hormonally mediated changes. 相似文献
537.
538.
Although a single diagnostic label, conduct disorder, is currently applied to children exhibiting antisocial behaviour, multiple routes to the same behavioural phenomena exist. Morton and Frith's (1995) causal modelling has been fundamentally important in influencing models of cognitive/affective and associated neural differences between callous-unemotional (CU) and reactive/threat-based antisocial behaviour. Current behavioural genetic research is still catching up with the developmental cognitive neuroscience, and very few genetically informative studies differentiate between these two subtypes of antisocial behaviour. Our own work with preadolescent twins suggests that while the CU subtype is genetically vulnerable to antisocial behaviour, the non-CU subtype manifests a primarily environmental aetiology to their antisocial behaviour. Molecular genetic work to date has not differentiated between these two subtypes, and we highlight why it might be of interest to do so. Finally, we discuss how the novel approach of imaging genetics could be harnessed to study genes to cognition pathways for different subtypes of conduct disorder. Uta Frith's contributions to articulating research strategies for developmental disorders are important in conducting and interpreting this work. 相似文献
539.
540.
How sensitive is pronoun processing to expectancies based on real-world knowledge and language usage? The current study links research on the integration of gender stereotypes and number-mismatch to explore this question. It focuses on the use of them to refer to antecedents of different levels of gender-expectancy (low–cyclist, high–mechanic, known–spokeswoman). In a rating task, them is considered increasingly unnatural with greater gender-expectancy. However, participants might not be able to differentiate high-expectancy and gender-known antecedents online because they initially search for plural antecedents (e.g., Sanford & Filik), and they make all-or-nothing gender inferences. An eye-tracking study reveals early differences in the processing of them with antecedents of high gender-expectancy compared with gender-known antecedents. This suggests that participants have rapid access to the expected gender of the antecedent and the level of that expectancy. 相似文献