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21.
The ability to recognize mental states from facial expressions is essential for effective social interaction. However, previous investigations of mental state recognition have used only static faces so the benefit of dynamic information for recognizing mental states remains to be determined. Experiment 1 found that dynamic faces produced higher levels of recognition accuracy than static faces, suggesting that the additional information contained within dynamic faces can facilitate mental state recognition. Experiment 2 explored the facial regions that are important for providing dynamic information in mental state displays. This involved using a new technique to freeze motion in a particular facial region (eyes, nose, mouth) so that this region was static while the remainder of the face was naturally moving. Findings showed that dynamic information in the eyes and the mouth was important and the region of influence depended on the mental state. Processes involved in mental state recognition are discussed. 相似文献
22.
《Quarterly journal of experimental psychology (2006)》2013,66(5):876-894
How accurate are explicit judgements about familiar forms of object motion, and how are they made? Participants judged the relations between force exerted in kicking a soccer ball and variables that define the trajectory of the ball: launch angle, maximum height attained, and maximum distance reached. Judgements tended to conform to a simple heuristic that judged force tends to increase as maximum height and maximum distance increase, with launch angle not being influential. Support was also found for the converse prediction, that judged maximum height and distance tend to increase as the amount of force described in the kick increases. The observed judgemental tendencies did not resemble the objective relations, in which force is a function of interactions between the trajectory variables. This adds to a body of research indicating that practical knowledge based on experiences of actions on objects is not available to the processes that generate judgements in higher cognition and that such judgements are generated by simple rules that do not capture the objective interactions between the physical variables. 相似文献
23.
Nadine Hauthal Pascale Sandmann Stefan Debener Jeremy D. Thorne 《Advances in cognitive psychology / University of Finance and Management in Warsaw》2013,9(2):53-61
A number of studies have investigated changes in the perception of visual motion
as a result of altered sensory experiences. An animal study has shown that
auditory-deprived cats exhibit enhanced performance in a visual movement
detection task compared to hearing cats (Lomber,
Meredith, & Kral, 2010). In humans, the behavioural evidence
regarding the perception of motion is less clear. The present study investigated
deaf and hearing adult participants using a movement localization task and a
direction of motion task employing coherently-moving and static visual dot
patterns. Overall, deaf and hearing participants did not differ in their
movement localization performance, although within the deaf group, a left visual
field advantage was found. When discriminating the direction of motion, however,
deaf participants responded faster and tended to be more accurate when detecting
small differences in direction compared with the hearing controls. These results
conform to the view that visual abilities are enhanced after auditory
deprivation and extend previous findings regarding visual motion processing in
deaf individuals. 相似文献
24.
Piotr Styrkowiec Remigiusz Szczepanowski 《Advances in cognitive psychology / University of Finance and Management in Warsaw》2013,9(4):202-215
The analysis of reaction time (RT) distributions has become a recognized standard
in studies on the stimulus response correspondence (SRC) effect as it allows
exploring how this effect changes as a function of response speed. In this
study, we compared the spatial SRC effect (the classic Simon effect) with the
motion SRC effect using RT distribution analysis. Four experiments were
conducted, in which we manipulated factors of space position and motion for
stimulus and response, in order to obtain a clear distinction between positional
SRC and motion SRC. Results showed that these two types of SRC effects differ in
their RT distribution functions as the space positional SRC effect showed a
decreasing function, while the motion SRC showed an increasing function. This
suggests that different types of codes underlie these two SRC effects. Potential
mechanisms and processes are discussed. 相似文献
25.
We investigated the interaction between motion parallax and binocular disparity cues in the perception of surface shape and depth magnitude by the use of the random dot stimuli in which these cues specified sinusoidal depth surfaces undulating with different spatial frequencies. When ambiguous motion parallax is inconsistent with unambiguous disparity cue, the reasonable solution for the visual system is to convert the motion signal to the flow on the surface specified by disparity. Two experiments, however, found that the visual system did not always use this reasonable solution; observers often perceived the surface specified by a composite of the two cues, or the surface specified by parallax alone. In the perception of this composite of the two cues, the apparent depth magnitude increased with the increase of the depth magnitude specified by both cues. This indicates that the visual system can combine the depth magnitude information from parallax and disparity in an additive fashion. The interference with parallax by disparity implies that the parallax processing is not independent of the disparity processing. 相似文献
26.
We explored the phenomenon of unintentional movements of a multi-joint effector produced by multiple transient changes in the external force. The subjects performed a position-holding task against a constant bias force produced by a robot and were instructed not to intervene voluntarily with arm movements produced by changes in the robot force. The robot produced a smooth force increase leading to hand movement from the trunk, followed by a dwell time. Then, the force dropped to its initial value leading to hand movement toward the initial position but with an undershot. Such perturbation episodes were repeated four times in a row. The accumulated perturbation and undershoot distances kept increasing without saturation within the sequence of four perturbation episode. The limb apparent stiffness before dwell time increased over sequential perturbations while apparent stiffness after dwell time decreased. We interpret the results as consequences of a drift of the hand referent coordinate (RC) caused by a hypothesized RC-back-coupling mechanism and a coupled drift of the apparent stiffness. The results show that RC-back-coupling continues to lead to unintentional movements over repeated perturbations and is accompanied by a relatively slow re-setting process. 相似文献
27.
Michiteru Kitazaki 《The Japanese psychological research》2000,42(2):77-90
The present study investigated the spatial interaction between the generic view and accidental view. First, the generic-view principle was applied to the three-dimensional motion of a wire-frame cube. Second, the effects of inner rotating dots and generic/accidental views of inner bars on an accidental view of a cube were investigated to show the spatial interaction between generic and accidental views. This investigation revealed that the generic view of a rotating cube generated a clearer three-dimensional perception than the accidental view, which is consistent with the generic-view principle. Both the unambiguous three-dimensional cue of inner dots and the generic view of inner bars "captured" the depth perception of the accidental view of the rotating cube. This finding suggests that the generic-view principle not only works locally, but then propagates globally. Further, it indicates how the visual system implements the generic-view principle to incorporate more complicated scenes. 相似文献
28.
Hitoshi Honda 《The Japanese psychological research》2000,42(4):207-212
Three subjects were asked to judge the position of small spots of light flashed before, during or after rapid translational motion of the background grating pattern. Mislocalization of the spots was observed when the background moved during or immediately after presentation of the spot. In both cases, mislocalization always occurred in the direction of the fixation point. Furthermore, this mislocalization occurred only when the background moved in the opposite direction to the visual half-field in which the spot appeared. That is to say, a spot to the right of the fixation point was mislocalized when its background moved to the left, but not when it moved to the right, and the converse was also true. This finding was interpreted as reflecting a long-term adaptation to the optokinetic stimulation that we experience during forward and backward locomotion. 相似文献
29.
30.
Elizabeth G. Conlon Donnamay T. Brown Garry F. Power Shannon A. Bradbury 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(3):322-339
This study aimed to determine if difficulties extracting signal from noise explained poorer coherent motion thresholds in older individuals, particularly women. In four experimental conditions the contrast of the signal and noise dots used in a random dot kinematogram was manipulated. Coherence thresholds were highest when the signal dots were of a lower contrast than the noise dots and lowest when the signal dots were of a higher contrast than the noise dots. In all conditions the older group had higher coherence thresholds than the younger group, and women had higher thresholds than men. Significant correlations were found between coherence thresholds and self-reported driving difficulties in conditions in which the signal dots had to be extracted from noise only. The results indicate that older individuals have difficulties extracting signal from noise in cluttered visual environments. The implications for safe driving are discussed. 相似文献