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231.
Helen De Cruz 《Cognitive processing》2012,13(1):137-140
Several philosophical theories attempt to explain how actions performed in the world enhance cognitive processing: internalism, active externalism, and cognitive integration. The aim of this paper is to examine whether the use of spatial representations in arithmetic can shed light on this debate. Relying on philosophical analysis, on a discussion of empirical work in the cognitive neuroscience of number, and on a historical case study, I will show that spatial representations of number indicate an integration between internal and external cognitive processes. 相似文献
232.
Sabrina Brigadoi Simone Cutini Fabio Scarpa Pietro Scatturin Roberto Dell’Acqua 《Cognitive processing》2012,13(1):97-101
Studies employing functional magnetic resonance imaging (fMRI) have highlighted a covariation between the amplitude of hemodynamic responses recorded in primary and supplementary motor areas (M1 and SMA) and the duration of a motor task. A subset of these studies have hinted to a possible functional dissociation between processing carried out in these areas, with SMA primarily involved in action preparation, while M1 involved in action execution. This proposed functional dissociation was explored in the present study using a different technique—functional near-infrared spectroscopy—which enabled a finer-grained monitoring of the temporal characteristics of the hemodynamic response compared to fMRI. Here, hemodynamic responses in M1 and SMA were recorded in 7 participants during a right-finger-tapping task of short (1 s) or long (3 s) duration. Hemodynamic responses of larger amplitude were recorded from both contralateral M1 and SMA during long-duration than short-duration tapping. Furthermore, the analysis of the temporal profiles of these responses revealed a more sustained and prolonged activity for long-duration versus short-duration tapping in M1, but not in SMA. Rather than functionally dissociable areas, the present results are more compatible with the hypothesis that M1 and SMA subserve different, though strongly interacting, functional subroutines subtended in motor task preparation and execution. 相似文献
233.
The brain often integrates multisensory sources of information in a way that is close to the optimal according to Bayesian principles. Since sensory modalities are grounded in different, body-relative frames of reference, multisensory integration requires accurate transformations of information. We have shown experimentally, for example, that a rotating tactile stimulus on the palm of the right hand can influence the judgment of ambiguously rotating visual displays. Most significantly, this influence depended on the palm orientation: when facing upwards, a clockwise rotation on the palm yielded a clockwise visual judgment bias; when facing downwards, the same clockwise rotation yielded a counterclockwise bias. Thus, tactile rotation cues biased visual rotation judgment in a head-centered reference frame. Recently, we have generated a modular, multimodal arm model that is able to mimic aspects of such experiments. The model co-represents the state of an arm in several modalities, including a proprioceptive, joint angle modality as well as head-centered orientation and location modalities. Each modality represents each limb or joint separately. Sensory information from the different modalities is exchanged via local forward and inverse kinematic mappings. Also, re-afferent sensory feedback is anticipated and integrated via Kalman filtering. Information across modalities is integrated probabilistically via Bayesian-based plausibility estimates, continuously maintaining a consistent global arm state estimation. This architecture is thus able to model the described effect of posture-dependent motion cue integration: tactile and proprioceptive sensory information may yield top–down biases on visual processing. Equally, such information may influence top–down visual attention, expecting particular arm-dependent motion patterns. Current research implements such effects on visual processing and attention. 相似文献
234.
Human beings seem to be able to recognize emotions from speech very well and information communication technology aims to implement machines and agents that can do the same. However, to be able to automatically recognize affective states from speech signals, it is necessary to solve two main technological problems. The former concerns the identification of effective and efficient processing algorithms capable of capturing emotional acoustic features from speech sentences. The latter focuses on finding computational models able to classify, with an approximation as good as human listeners, a given set of emotional states. This paper will survey these topics and provide some insights for a holistic approach to the automatic analysis, recognition and synthesis of affective states. 相似文献
235.
Recent studies on the conceptualization of abstract concepts suggest that the concept of time is represented along a left-right horizontal axis, such that left-to-right readers represent past on the left and future on the right. Although it has been demonstrated with strong consistency that the localization (left or right) of visual stimuli could modulate temporal judgments, results obtained with auditory stimuli are more puzzling, with both failures and successes at finding the effect in the literature. The present study supports an account based on the relative relevance of visual versus auditory-spatial information in the creation of a frame of reference to map time: The auditory location of words interacted with their temporal meaning only when auditory information was made more relevant than visual spatial information by blindfolding participants. 相似文献
236.
Andrew F. Smith 《International Journal for Philosophy of Religion》2012,71(3):205-219
Stephen Carter argues that biblical literalism is predicated on an epistemological position drastically different than that maintained by mainstream scientists inasmuch as it operates on the basis of a “hermeneutic of inerrancy” with respect to the ideas laid out in the Bible. By relying on considerations offered by Charles Taylor and recent sociological studies, I contend that Carter’s thesis is incorrect. The divide between proponents and opponents of biblical literalism is ethical rather than epistemological. Beyond the philosophical implications of my contention, this displays that deliberative engagement between these parties—which depends on shared epistemological norms—is possible in principle. 相似文献
237.
Brad J. Kallenberg 《International Journal for Philosophy of Religion》2012,71(1):55-73
Careful readers of Wittgenstein tend to overlook the significance his engineering education had for his philosophy; this despite
Georg von Wright’s stern admonition that “the two most important facts to remember about Wittgenstein were, firstly, that
he was Viennese, and, secondly, that he was an engineer.” Such oversight is particularly tempting for those of us who come
to philosophy late, having first been schooled in math and science, because our education tricks us into thinking we understand
engineering by extension. But we do not. I will illustrate this common tendency to misread Wittgenstein by examining three
engineering concepts that have little significance for science but played important roles in Wittgenstein’s philosophical
thinking. These are: method of projection, dynamical similarity, and satisfactoriness. The upshot of this analysis will be
a strong challenge to the myth of his putative fideism because neither fideism nor its contrary simply would have occurred
to Wittgensteinthe-engineer. 相似文献
238.
Mikel Burley 《International Journal for Philosophy of Religion》2012,71(1):21-37
This paper critically discusses D. Z. Phillips’ use of literary works as a resource for philosophical reflection on religion.
Beginning by noting Phillips’ suggestion, made in relation to Waiting for Godot, that the possibilities of meaning that we see in a literary work can reveal something of our own religious sensibility,
I then proceed to show what we learn about Phillips from his readings of certain works by Larkin, Tennyson, and Wharton. Through
exploring alternative possible readings, I argue that, although Phillips’ discussions are of considerable philosophical interest,
they undermine his claim to be deploying a purely contemplative hermeneutical method. 相似文献
239.
Antonio Pierro Mauro Giacomantonio Lucia Mannetti Tory E. Higgins Arie W. Kruglanski 《Journal of applied social psychology》2012,42(10):2564-2582
In three field studies, we found that leaders high in both locomotion and assessment tendencies (Studies 1 and 2: evaluated by subordinates; Study 3: evaluated by leaders themselves) elicited higher levels of performance from their subordinates (Studies 1 and 3: as assessed by the subordinates themselves; Study 2: as assessed by their supervisors) than leaders low in one or both of these tendencies. The research supports the notion that locomotion and assessment constitute critical regulatory functions whose conjunction is indispensible for successful performance, whether on the level of the individual (Kruglanski et al., 2000) or the group (Mauro et al., 2009). 相似文献
240.
The standard semantic definition of consequence with respect to a selected set X of symbols, in terms of truth preservation under replacement (Bolzano) or reinterpretation (Tarski) of symbols outside X, yields a function mapping X to a consequence relation \(\Rightarrow_X\). We investigate a function going in the other direction, thus extracting the constants of a given consequence relation, and we show that this function (a) retrieves the usual logical constants from the usual logical consequence relations, and (b) is an inverse to—more precisely, forms a Galois connection with—the Bolzano–Tarski function. 相似文献