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171.
Koshino H Carpenter PA Keller TA Just MA 《Cognitive, affective & behavioral neuroscience》2005,5(1):54-66
In this fMRI study, we examined the relationship between activations in the inferotemporal region (ventral pathway) and the
parietal region (dorsal pathway), as well as in the prefrontal cortex (associated with working memory), in a modified mental
rotation task. We manipulated figural complexity (simple vs. complex) to affect the figure recognition process (associated
with the ventral pathway) and the amount of rotation (0° vs. 90°), typically associated with the dorsal pathway. The pattern
of activation not only showed that both streams are affected by both manipulations, but also showed an overadditive interaction.
The effect of figural complexity was greater for 90° rotation than for 0° in multiple regions, including the ventral, dorsal,
and prefrontal regions. In addition, functional connectivity analyses on the correlations across the time courses of activation
between regions of interest showed increased synchronization among multiple brain areas as task demand increased. The results
indicate that both the dorsal and the ventral pathways show interactive effects of object and spatial processing, and they
suggest that multiple regions interact to perform mental rotation. 相似文献
172.
Infants point for various motives. Classically, one such motive is declarative, to share attention and interest with adults to events. Recently, some researchers have questioned whether infants have this motivation. In the current study, an adult reacted to 12-month-olds' pointing in different ways, and infants' responses were observed. Results showed that when the adult shared attention and interest (i.e alternated gaze and emoted), infants pointed more frequently across trials and tended to prolong each point--presumably to prolong the satisfying interaction. However, when the adult emoted to the infant alone or looked only to the event, infants pointed less across trials and repeated points more within trials--presumably in an attempt to establish joint attention. Results suggest that 12-month-olds point declaratively and understand that others have psychological states that can be directed and shared. 相似文献
173.
In two experiments, we investigated what types of learning benefit from a cued recall test. After initial exposure to a word pair (A+B), subjects experienced either an intervening cued recall test (A→?) with feedback, or a restudy presentation (A→B). The final test could be cued recall in the same (A→?) or opposite (?→B) direction, or free recall of just the cues (Recall As) or just the targets (Recall Bs). All final tests revealed a benefit for testing as opposed to restudying. Tests produced a direct benefit for information that was retrieved on the intervening test (B). This benefit also “spilled over” to facilitate recall of information that was present on the test but not retrieved (A). Both theoretical and practical implications are discussed. 相似文献
174.
In three experiments, we investigated the role of transfer-appropriate processing and elaborative processing in the testing effect In Experiment 1, we examined whether the magnitude of the testing effect reflects the match between intervening and final tests by factorially manipulating the type of intervening and final tests. Retention was not enhanced for matching, relative to mismatching, intervening and final tests, contrary to the transfer-appropriate-processing view. In Experiment 2, we examined final retention as a function of the number of cues needed to retrieve items on intervening cued recall tests. In this case, fewer retrieval cues were associated with better memory on the final test. Experiment 3 replicated the findings of Experiment 2 while controlling for individual item difficulty and directly manipulating the number of cues present. These findings suggest that an intervening test may be most beneficial to final retention when it provides more potential for elaborative processing 相似文献
175.
This experiment used functional Magnetic Resonance Imaging to examine the relation between individual differences in cognitive skill and the amount of cortical activation engendered by two strategies (linguistic vs. visual-spatial) in a sentence-picture verification task. The verbal strategy produced more activation in language-related cortical regions (e.g., Broca's area), whereas the visual-spatial strategy produced more activation in regions that have been implicated in visual-spatial reasoning (e.g., parietal cortex). These relations were also modulated by individual differences in cognitive skill: Individuals with better verbal skills (as measured by the reading span test) had less activation in Broca's area when they used the verbal strategy. Similarly, individuals with better visual-spatial skills (as measured by the Vandenberg, 1971, mental rotation test) had less activation in the left parietal cortex when they used the visual-spatial strategy. These results indicate that language and visual-spatial processing are supported by partially separable networks of cortical regions and suggests one basis for strategy selection: the minimization of cognitive workload. 相似文献
176.
What one intelligence test measures: a theoretical account of the processing in the Raven Progressive Matrices Test 总被引:20,自引:0,他引:20
The cognitive processes in a widely used, nonverbal test of analytic intelligence, the Raven Progressive Matrices Test (Raven, 1962), are analyzed in terms of which processes distinguish between higher scoring and lower scoring subjects and which processes are common to all subjects and all items on the test. The analysis is based on detailed performance characteristics, such as verbal protocols, eye-fixation patterns, and errors. The theory is expressed as a pair of computer simulation models that perform like the median or best college students in the sample. The processing characteristic common to all subjects is an incremental, reiterative strategy for encoding and inducing the regularities in each problem. The processes that distinguish among individuals are primarily the ability to induce abstract relations and the ability to dynamically manage a large set of problem-solving goals in working memory. 相似文献
177.
Inconsistency of attitudes and behavior is due to the probabilistic connection between responses or actions and the (not directly observable) dispositions on which they depend. Latent variable models provide criteria for recognizing when attitude and behavior depend on the same disposition. Statistical tests of such models and techniques of parameter estimation are described. The viewpoint proposed here and illustrated with empirical examples contrasts with the prevalent reliance on correlational models and methods.This research was supported by the National Science Foundation under grant number SES-8411359 and was carried out with facilities provided by the Social Process Research Institute, University of California, Santa Barbara. Magnus Stenbeck assisted with the statistical analysis. Data were obtained from published sources (as cited) and from the archives of the Roper Center (which supplied data tapes for the 1976 and 1980 CBS News/New York Times election surveys) and the Inter-University Consortium for Political and Social Research (which supplied data tapes for the 1948 Elmira Panel Study and the 1976 National Election Study). Neither the original investigators nor these agencies bear any responsibility for the accuracy of my work or for my interpretations of the data. 相似文献
178.
Reducing Binge Drinking in Adolescents through Implementation of the Strategic Prevention Framework 下载免费PDF全文
Kaston D. Anderson‐Carpenter Jomella Watson‐Thompson Lisa Chaney Marvia Jones 《American journal of community psychology》2016,57(1-2):36-46
The Strategic Prevention Framework (SPF) is a conceptual model that supports coalition‐driven efforts to address underage drinking and related consequences. Although the SPF has been promoted by the U.S. Substance Abuse and Mental Health Services Administration's Center for Substance Abuse Prevention and implemented in multiple U.S. states and territories, there is limited research on the SPF's effectiveness on improving targeted outcomes and associated influencing factors. The present quasi‐experimental study examines the effects of SPF implementation on binge drinking and enforcement of existing underage drinking laws as an influencing factor. The intervention group encompassed 11 school districts that were implementing the SPF with local prevention coalitions across eight Kansas communities. The comparison group consisted of 14 school districts that were matched based on demographic variables. The intervention districts collectively facilitated 137 community‐level changes, including new or modified programs, policies, and practices. SPF implementation supported significant improvements in binge drinking and enforcement outcomes over time (p < .001), although there were no significant differences in improvements between the intervention and matched comparison groups (p > .05). Overall, the findings provide a basis for guiding future research and community‐based prevention practice in implementing and evaluating the SPF. 相似文献
179.
Barry Carpenter 《Journal of child and family studies》1997,6(4):391-398
Whilst family-focussed models of service delivery are proving more effective in early intervention, it is the parents who ultimately carry the burden of responsibility. They often evolve their own strategies for coping with difficulties and solving problems within a family context. Through case study analysis, I report on some of the key outcomes of early intervention for families of very young children with disabilities. The analysis challenges traditional definitions of the family and suggests a recontextualisation of this concept. Similarly parental perceptions of the style of early intervention services are contrasted with those models reported to be effective by professionals. In striving for optimal effectiveness in early intervention, the unique knowledge and understanding of parents is pivotal, and ways are suggested of objectively collecting and collating that knowledge to inform practice and identify important research questions. This case study analysis has led to the evolution of the parent as researcher paradigm, and the implications for the practical implementation of this model will be considered. 相似文献
180.
Wayne S. DeSarbo Donald R. Lehmann Gregory Carpenter Indrajit Sinha 《Psychometrika》1996,61(3):485-508
This paper presents a stochastic multidimensional unfolding (MDU) procedure to spatially represent individual differences in phased or sequential decision processes. The specific application or scenario to be discussed involves the area of consumer psychology where consumers form judgments sequentially in their awareness, consideration, and choice set compositions in a phased or sequential manner as more information about the alternative brands in a designated product/service class are collected. A brief review of the consumer psychology literature on these nested congnitive sets as stages in phased decision making is provided. The technical details of the proposed model, maximum likelihood estimation framework, and algorithm are then discussed. A small scale Monte Carlo analysis is presented to demonstrate estimation proficiency and the appropriateness of the proposed model selection heuristic. An application of the methodology to capture awareness, consideration, and choice sets in graduate school applicants is presented. Finally, directions for future research and other potential applications are given. 相似文献