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151.
Larkina M Evren Güler O Kleinknecht E Bauer PJ 《Journal of experimental child psychology》2008,100(4):235-251
Strategic remembering emerges gradually during the preschool years. Socialization practices, specifically mother–child social interactions, might provide the foundation for the development of skills necessary for effective organization of information in memory. In the current study, 48 mothers and their 40-month-olds were engaged in the process of remembering (i.e., study and recall) categorically related picture stimuli in a laboratory context. Children’s recall was reliably predicted by the way in which mothers structured both the study and recall periods of the deliberate memory task. Specifically, maternal verbal and physical behaviors that focused on organization of items, such as sorting items into distinct groups and providing the name of a category, were most beneficial in supporting children’s memory. Moreover, some mothers employed a number of different mnemonic techniques that emphasized categorical connections among items, suggesting systematic approaches in the manner in which mothers help children to learn effective ways of remembering. 相似文献
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153.
Advances in the treatment of the human immunodeficiency virus (HIV) have dramatically improved survival rates over the past
10 years, but HIV-associated neurocognitive disorders (HAND) remain highly prevalent and continue to represent a significant
public health problem. This review provides an update on the nature, extent, and diagnosis of HAND. Particular emphasis is
placed on critically evaluating research within the realm of cognitive neuropsychology that aims to elucidate the component
processes of HAND across the domains of executive functions, motor skills, speeded information processing, episodic memory,
attention/working memory, language, and visuoperception. In addition to clarifying the cognitive mechanisms of HAND (e.g.,
impaired cognitive control), the cognitive neuropsychology approach may enhance the ecological validity of neuroAIDS research
and inform the development of much needed novel, targeted cognitive and behavioral therapies.
The research described was supported by MH73419 and MH62512 from the National Institutes of Health. The views expressed in
this article are those of the authors and do not reflect the official policy or position of the Department of the Navy, Department
of Defense, nor the United States Government. 相似文献
154.
Robert K. Brandon Ronald A. Kleinknecht 《Journal of psychopathology and behavioral assessment》1982,4(4):317-325
An analogue setting for assessing dental fear involving a videotaped simulated dental operation was evaluated in terms of its capability of eliciting differential physiological arousal (Palmer Sweat Index) between high- and low-fear subjects, identified by self-reports of dental fear. Results showed high-fear subjects to exhibit significantly greater palmar sweating than did low-fear subjects, females to respond more than males, and a differential response across groups at different points during the simulated operation. High-fear subjects also gave verbal reports of greater physiological arousal and general anxiety while viewing the operation than did low-fear subjects. 相似文献
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157.
Visuospatial performance, assessed with the new, group-administered Judgment of Line Angle and Position test (JLAP-13), varied with sex and mathematical competence in a group of adolescents. The JLAP-13, a low-level perceptual task, was modeled after a neuropsychological task dependent upon functioning of the posterior region of the right hemisphere [Benton et al, 1994 Contributions to Neuropsychological Assessment: A Clinical Manual (New York: Oxford University Press)]. High-school boys (N = 52) performed better than girls (N = 62), with a large effect for sex (d = 1.11). Performance increased with mathematical competence, but the sex difference did not vary significantly across different levels of mathematics coursework. On the basis of earlier work, it was predicted that male, but not female, performance in line judgment would decline with disruptions to task geometry (page frame), and that the sex difference would disappear with disruptions to geometry. These predictions were supported by a number of univariate and sex-specific analyses, although an omnibus repeated-measures analysis did not detect the predicted interaction, most likely owing to limitations in power. Thus, there is partial support for the notion that attentional predispositions or strategies may contribute to visuospatial sex differences, with males more likely than females to attend to, and rely upon, internal or external representations of task geometry. Additional support for this hypothesis may require development of new measures or experimental manipulations with more powerful geometrical disruptions. 相似文献
158.
Norrholm SD Jovanovic T Vervliet B Myers KM Davis M Rothbaum BO Duncan EJ 《Learning & memory (Cold Spring Harbor, N.Y.)》2006,13(6):681-685
The purpose of this study was to analyze fear extinction and reinstatement in humans using fear-potentiated startle. Participants were fear conditioned using a simple discrimination procedure with colored lights as the conditioned stimuli (CSs) and an airblast to the throat as the unconditioned stimulus (US). Participants were extinguished 24 h after fear conditioning. Upon presentation of unsignaled USs after extinction, participants displayed significant fear reinstatement. In summary, these procedures produced robust fear-potentiated startle, significant CS+/CS- discrimination, within-session extinction, and significant reinstatement. This is the first demonstration of fear extinction and reinstatement in humans using startle measures. 相似文献
159.
In two experiments, we examined training, retention, and transfer of a duration production skill in a prospective paradigm. Participants were trained with feedback and then were either tested immediately for transfer without feedback or retrained with feedback 1 week later. There were three training and retraining conditions, two involving secondary tasks. Retention of the duration production skill was perfect across the 1-week delay when the secondary task condition was unchanged, but there was no skill transfer when that condition was changed. These findings demonstrate specificity of training, with the assumption that the cognitive operations learned during duration production training incorporate requirements of the secondary task. More generally, this study challenges the current practice in which training conditions often do not match eventual testing conditions. 相似文献
160.