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81.
Previous research shows that directed actions can unconsciously influence higher-order cognitive processing, helping learners to retain knowledge and guiding problem solvers to useful insights (e.g. Cook, S. W., Mitchell, Z., & Goldin-Meadow, S. (2008). Gesturing makes learning last. Cognition, 106, 1047-1058; Thomas, L. E., & Lleras, A. (2007). Moving eyes and moving thought: on the spatial compatibility between eye movements and cognition. Psychonomic Bulletin and Review, 14, 663-668). We examined whether overt physical movement is necessary for these embodied effects on cognition, or whether covert shifts of attention are sufficient to influence cognition. We asked participants to try to solve Duncker’s radiation problem while occasionally directing them, via an unrelated digit-tracking task, to shift their attention (while keeping their eyes fixed) in a pattern related to the problem’s solution, to move their eyes in this pattern, or to keep their eyes and their attention fixed in the center of the display. Although they reported being unaware of any relationship between the digit-tracking task and the radiation problem, participants in both the eye-movement and attention-shift groups were more likely to solve the problem than were participants who maintained fixation. Our results show that by shifting attention in a pattern compatible with a problem’s solution, we can aid participants’ insight even in the absence of overt physical movements. 相似文献
82.
Ágnes Melinda Kovács 《Developmental science》2009,12(1):48-54
In their first years, children's understanding of mental states seems to improve dramatically, but the mechanisms underlying these changes are still unclear. Such ‘theory of mind’ (ToM) abilities may arise during development, or have an innate basis, developmental changes reflecting limitations of other abilities involved in ToM tasks (e.g. inhibition). Special circumstances such as early bilingualism may enhance ToM development or other capacities required by ToM tasks. Here we compare 3‐year‐old bilinguals and monolinguals on a standard ToM task, a modified ToM task and a control task involving physical reasoning. The modified ToM task mimicked a language‐switch situation that bilinguals often encounter and that could influence their ToM abilities. If such experience contributes to an early consolidation of ToM in bilinguals, they should be selectively enhanced in the modified task. In contrast, if bilinguals have an advantage due to better executive inhibitory abilities involved in ToM tasks, they should outperform monolinguals on both ToM tasks, inhibitory demands being similar. Bilingual children showed an advantage on the two ToM tasks but not on the control task. The precocious success of bilinguals may be associated with their well‐developed control functions formed during monitoring and selecting languages. 相似文献
83.
Using the visual search method, we show that stimuli that contain curvature discontinuities (i.e., points where the second derivative along an image contour is not defined) are easily found among stimuli containing only smooth changes in curvature. Curved stimuli that lack curvature discontinuities, however, are difficult to find among distractors that have them. These results suggest that the visual system detects and analyzes abrupt changes in curvature in the image quickly to extract vital information about the 3-D structure of the visual environment. 相似文献
84.
85.
Jerome R. Busemeyer Kenneth N. Swenson Alejandro Lazarte 《Organizational behavior and human decision processes》1986,38(3)
Resource allocation tasks require the decision maker to allocate a limited resource (e.g., budget or staff) to competing activities (e.g., commodities or jobs) in order to maximize an explicit objective (e.g., utility or productivity). In contrast to past research that has compared optimal to observed performance, the present study investigated how individuals learn to improve their resource allocation policies from outcome feedback. A total of 64 subjects received 50 training trials under one of four conditions produced by a 2 × 2 factorial design. One factor was the form of the unknown objective function—it had either a single global maximum, or it had a local maximum below the global maximum. The second factor was a manipulation of prior information —subjects were either told the maximum possible objective function value (but not its location), or this information was withheld. Several measures of learning were analyzed including (a) the cumulative proportion of subjects reaching a criterion as a function of training, (b) the path of the resource allocation policies selected across trials, (c) the magnitude of change in allocations as a function of training, and (d) the probability distribution of search directions selected following success and failure. A learning principle called hill-climbing was useful for interpreting the results. 相似文献
86.
Alejandro López Scott Atran John D. Coley Douglas L. Medin Edward E. Smith 《Cognitive psychology》1997,32(3):251-295
Two parallel studies were performed with members of very different cultures—industrialized American and traditional Itzaj-Mayan—to investigate potential universal and cultural features of folkbiological taxonomies and inductions. Specifically, we examined how individuals organize natural categories into taxonomies, and whether they readily use these taxonomies to make inductions about those categories. The results of the first study indicate that there is a cultural consensus both among Americans and the Itzaj in their taxonomies of local mammal species, and that these taxonomies resemble and depart from a corresponding scientific taxonomy in similar ways. However, cultural differences are also shown, such as a greater differentiation and more ecological considerations in Itzaj taxonomies. In a second study, Americans and the Itzaj used their taxonomies to guide similarity- and typicality-based inductions. These inductions converge and diverge crossculturally and regarding scientific inductions where their respective taxonomies do. These findings reveal some universal features of folkbiological inductions, but they also reveal some cultural features such as diversity-based inductions among Americans, and ecologically based inductions among the Itzaj. Overall, these studies suggest that while building folkbiological taxonomies and using them for folkbiological inductions is a universal competence of human cognition there are also important cultural constraints on that competence. 相似文献
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88.
Miguel Ángel Sebastián 《Ratio》2018,31(3):285-293
The non‐transitivity of the relation looks the same as has been used to argue that the relation has the same phenomenal character as is non‐transitive—a result that jeopardizes certain theories of consciousness. In this paper, I argue against this conclusion while granting the premise by dissociating lookings and phenomenology; an idea that some might find counter‐intuitive. However, such an intuition is left unsupported once phenomenology and cognitive access are distinguished from each other; a distinction that is conceptually and empirically grounded. 相似文献
89.
It is sometimes claimed that we perceive people’s mental states in their expressive features. This paper clarifies the claim by contrasting two possible readings, depending on whether expression is conceived relationally or non-relationally. A crucial difference between both readings is that only a non-relational conception of expression ensures direct access to other minds. The paper offers an argument for a non-relational conception of expression, and therefore for the view that we directly perceive people’s mental states in their expressive features. 相似文献
90.
The purpose of this study was to evaluate the effectiveness of an aerobics games class on creativity in children during the school day. Participants were 96 students (age = 9.84 ± 1.12 years), 48 girls and 48 boys. The students were randomly assigned to the experimental group (EG, n = 48) or the control group (CG, n = 48). The Prueba de Imaginación Creativa-Niños (PIC-N) test was employed to assess narrative and graphic creativity. The EG took part in an aerobic games session lasting 45 min; the CG did not take part in a physical education class on that school day. As for group × time interaction, the EG experienced significant improvements in all creativity variables except in graphic originality, graphic titles, and graphic details. The CG did not improve any creativity variables. The findings suggest that acute aerobic exercise can enhance students’ creativity, which could be important for academic achievement. 相似文献