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201.
This investigation compared spatial and temporal gait movement parameters of a sample of individuals with Down syndrome (n=12) and one of individuals without disabilities (n=12). All participants were evaluated on responses to a preferred pace and fast walk with the GAITRite Electronic Walkway. Spatial outcomes included step and stride length, step and stride width, toe-in/toe-out, and base of support. Temporal outcomes included step time, velocity, single and double leg support time, stance, and swing time. There were significant group differences for step length, step width, stride length, and velocity in the preferred walk condition. Significant group differences for step length, step width, and stride length were observed in the fast walk condition. Percentage differences also indicated lower scores for all spatial and temporal variables in relation to the control group. The ability to control gait movements appears to reflect earlier movement experiences, so it may be possible to use variable sensory feedback and specific training to modify and adjust movement responses and improve gait performance in Down syndrome. 相似文献
202.
Vaesen infers unique properties of mind from the appearance of specific cultural innovation--a correlation without causal direction. Shifts in habitat, population density, and group dynamics are the only independently verifiable incentives for changes in cultural practices. The transition from Acheulean to Late Stone Age technologies requires that we consider how population and social dynamics affect cultural innovation and mental function. 相似文献
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Brooks SJ O'Daly OG Uher R Schiöth HB Treasure J Campbell IC 《Consciousness and cognition》2012,21(2):751-763
Prefrontal cortex (PFC) is dysregulated in women with restricting anorexia nervosa (RAN). It is not known whether appetitive non-conscious stimuli bias cognitive responses in those with RAN. Thirteen women with RAN and 20 healthy controls (HC) completed a dorsolateral PFC (DLPFC) working memory task and an anterior cingulate cortex (ACC) conflict task, while masked subliminal food, aversive and neutral images were presented. During the DLPFC task, accuracy was higher in the RAN compared to the HC group, but superior performance was compromised when subliminal food stimuli were presented: errors positively correlated with self-reported trait anxiety in the RAN group. These effects were not observed in the ACC task. Appetitive activation is intact and anxiogenic in women with RAN, and non-consciously interacts with working memory processes associated with the DLPFC. This interaction mechanism may underlie cognitive inhibition of appetitive processes that are anxiety inducing, in people with AN. 相似文献
205.
Phyllis M. Kittler Patricia J. Brooks Vanessa Rossi Bernard Z. Karmel Judith M. Gardner Michael J. Flory 《Journal of cognition and development》2013,14(4):633-650
Neonatal intensive-care unit (NICU) graduates, a group at risk for attention problems and attention-deficit hyperactivity disorder, performed an intradimensional shift card sort at 34, 42, 51, and 60 months to assess executive function and to examine effects of individual risk factors. In the “silly” game, children sorted cards (airplanes and dogs) so they were not the same as targets. In the “same” game, they did the opposite. Performance on the “silly” game was poor, especially when it was presented first. Success in following “silly” game rules improved with age and was significantly linked to maternal education and birth weight for gestational age, a measure of intrauterine stress. Degree of central nervous system injury differentiated children who completed the task from children who did not, and it also affected the need to repeat instructions in the “same” game. These results confirm an increased likelihood of impairments in executive function during preschool years in NICU graduates. 相似文献
206.
Helen I. Cannella-Malone David G. Brooks Christopher A. Tullis 《Journal of Behavioral Education》2013,22(3):169-189
This study examined the effects of self-directed video prompting presented via an iPod Touch on teaching four adolescents with moderate-to-severe intellectual and developmental disabilities two daily living tasks. Students were taught to wash a table using instructor-delivered video prompts. After reaching 80 % correct for at least three consecutive sessions, a system of most-to-least prompts was used to teach them to use the iPod Touch and a video prompting app (inPromptu) independently. In the final phase, students used inPromptu on the iPod Touch to teach themselves to vacuum with self-directed video prompts. Results of the study demonstrate that all four students learned to wash a table with instructor-directed video prompts, they all learned to use inPromptu on the iPod Touch independently, two students used inPromptu on the iPod Touch to teach themselves to vacuum, and a third student was learning to vacuum using inPromptu. 相似文献
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Melissa G. Keith Lindsey M. Freier Marie Childers Isabelle Ponce-Pore Seth Brooks 《创造性行为杂志》2024,58(1):6-27
Individuals and organizations frequently tout creative ideas as a desirable goal, and yet, creative ideas are frequently rejected. Creativity researchers have often suggested that creative ideas are rejected because they are perceived as riskier due to their inherent novelty or originality. Although this assumption is prevalent, we are unaware of any empirical research directly examining the relations between perceptions of novelty and risk. We provide an empirical test of this assumption in two studies in which participants rate the novelty, usefulness, and riskiness of ideas. Across both studies, we find consistent support for the idea that usefulness, rather than novelty, has the strongest relation with risk perceptions. We also find some evidence that novelty and usefulness interact to predict perceptions of risk. Additionally, in Study 2, we find that usefulness has the strongest relation with willingness to invest and buy a product. The findings of this study suggest that the bias against creativity may be driven by the perceived usefulness of an idea, rather than its novelty, such that ideas with lower usefulness are perceived to be riskier. 相似文献