全文获取类型
收费全文 | 1107篇 |
免费 | 104篇 |
国内免费 | 163篇 |
出版年
2023年 | 15篇 |
2022年 | 24篇 |
2021年 | 25篇 |
2020年 | 40篇 |
2019年 | 18篇 |
2018年 | 18篇 |
2017年 | 40篇 |
2016年 | 40篇 |
2015年 | 33篇 |
2014年 | 53篇 |
2013年 | 116篇 |
2012年 | 68篇 |
2011年 | 70篇 |
2010年 | 67篇 |
2009年 | 49篇 |
2008年 | 50篇 |
2007年 | 51篇 |
2006年 | 52篇 |
2005年 | 38篇 |
2004年 | 26篇 |
2003年 | 18篇 |
2002年 | 17篇 |
2001年 | 16篇 |
2000年 | 19篇 |
1999年 | 9篇 |
1998年 | 9篇 |
1997年 | 9篇 |
1996年 | 13篇 |
1995年 | 11篇 |
1992年 | 17篇 |
1991年 | 15篇 |
1989年 | 13篇 |
1986年 | 9篇 |
1981年 | 10篇 |
1979年 | 10篇 |
1978年 | 10篇 |
1977年 | 10篇 |
1975年 | 15篇 |
1973年 | 12篇 |
1972年 | 10篇 |
1971年 | 15篇 |
1969年 | 13篇 |
1968年 | 9篇 |
1967年 | 9篇 |
1966年 | 14篇 |
1963年 | 11篇 |
1962年 | 9篇 |
1956年 | 8篇 |
1954年 | 10篇 |
1953年 | 9篇 |
排序方式: 共有1374条查询结果,搜索用时 31 毫秒
71.
72.
Audio-visual simultaneity judgments 总被引:3,自引:0,他引:3
The relative spatiotemporal correspondence between sensory events affects multisensory integration across a variety of species; integration is maximal when stimuli in different sensory modalities are presented from approximately the same position at about the same time. In the present study, we investigated the influence of spatial and temporal factors on audio-visual simultaneity perception in humans. Participants made unspeeded simultaneous versus successive discrimination responses to pairs of auditory and visual stimuli presented at varying stimulus onset asynchronies from either the same or different spatial positions using either the method of constant stimuli (Experiments 1 and 2) or psychophysical staircases (Experiment 3). The participants in all three experiments were more likely to report the stimuli as being simultaneous when they originated from the same spatial position than when they came from different positions, demonstrating that the apparent perception of multisensory simultaneity is dependent on the relative spatial position from which stimuli are presented. 相似文献
73.
Dana-Farber Cancer Institute ethics rounds: life-threatening illness and the desire to adopt 总被引:1,自引:0,他引:1
Little MO Moczynski WV Richardson PG Joffe S 《Kennedy Institute of Ethics journal》2005,15(4):385-393
Originally presented during Ethics Rounds at the Dana-Farber Cancer Institute, this commentary on the case of a patient treated for life-threatening cancer explores the responsibilities of health care providers when addressing the patient's desire to adopt a child. 相似文献
74.
75.
76.
Soto-Faraco S Spence C Kingstone A 《Cognitive, affective & behavioral neuroscience》2004,4(2):208-217
Behavioral studies of multisensory integration in motion perception have focused on the particular case of visual and auditory
signals. Here, we addressed a new case: audition and touch. In Experiment 1, we tested the effects of an apparent motion stream
presented in an irrelevant modality (audition or touch) on the perception of apparent motion streams in the other modality
(touch or audition, respectively). We found significant congruency effects (lower performance when the direction of motion
in the irrelevant modality was incongruent with the direction of the target) for the two possible modality combinations. This
congruency effect was asymmetrical, with tactile motion distractors having a stronger influence on auditory motion perception
than vice versa. In Experiment 2, we used auditory motion targets and tactile motion distractors while participants adopted
one of two possible postures: arms uncrossed or arms crossed. The effects of tactile motion on auditory motion judgments were
replicated in the arms-uncrossed posture, but they dissipated in the arms-crossed posture. The implications of these results
are discussed in light of current findings regarding the representation of tactile and auditory space. 相似文献
77.
This study addressed the role of proprioceptive and visual cues to body posture during the deployment of tactile spatial attention. Participants made speeded elevation judgments (up vs. down) to vibrotactile targets presented to the finger or thumb of either hand, while attempting to ignore vibrotactile distractors presented to the opposite hand. The first two experiments established the validity of this paradigm and showed that congruency effects were stronger when the target hand was uncertain (Experiment 1) than when it was certain (Experiment 2). Varying the orientation of the hands revealed that these congruency effects were determined by the position of the target and distractor in external space, and not by the particular skin sites stimulated (Experiment 3). Congruency effects increased as the hands were brought closer together in the dark (Experiment 4), demonstrating the role of proprioceptive input in modulating tactile selective attention. This spatial modulation was also demonstrated when a mirror was used to alter the visually perceived separation between the hands (Experiment 5). These results suggest that tactile, spatially selective attention can operate according to an abstract spatial frame of reference, which is significantly modulated by multisensory contributions from both proprioception and vision. 相似文献
78.
In Experiment 1, participants were presented with pairs of stimuli (one visual and the other tactile) from the left and/or right of fixation at varying stimulus onset asynchronies and were required to make unspeeded temporal order judgments (TOJs) regarding which modality was presented first. When the participants adopted an uncrossed-hands posture, just noticeable differences (JNDs) were lower (i.e., multisensory TOJs were more precise) when stimuli were presented from different positions, rather than from the same position. This spatial redundancy benefit was reduced when the participants adopted a crossed-hands posture, suggesting a failure to remap visuotactile space appropriately. In Experiment 2, JNDs were also lower when pairs of auditory and visual stimuli were presented from different positions, rather than from the same position. Taken together, these results demonstrate that people can use redundant spatial cues to facilitate their performance on multisensory TOJ tasks and suggest that previous studies may have systematically overestimated the precision with which people can make such judgments. These results highlight the intimate link between spatial and temporal factors in determining our perception of the multimodal objects and events in the world around us. 相似文献
79.
Hunter MD Smith JK Taylor N Woods W Spence SA Griffiths TD Woodruff PW 《Perceptual and motor skills》2003,97(1):246-250
Aydin and colleagues reported a reversal of physiological 'right-ear advantage' in a group of right-handed patients with schizophrenia, using an auditory acuity test. In schizophrenia, auditory hallucinations may appear to be spatially located inside or outside the patient's head. Here we show, using virtual acoustic space techniques, that normal right-handed subjects have a right-ear advantage for correctly locating the 'source' of hallucination-like voices as from either inside or outside the head. We propose a model for understanding lateralised, external hallucinations in schizophrenia based upon reversal of normal cortical asymmetry for auditory spatial processing. 相似文献
80.
Representation of visuotactile space in the split brain 总被引:3,自引:0,他引:3
Recent neurophysiological research in the monkey has revealed bimodal neuronal cells with both tactile receptive fields on the hand and visual receptive fields that follow the hands as they move, suggesting the existence of a bimodal map of visuotactile space. Using a cross-modal congruency task, we examined the representation of visuotactile space in normal people and in a split-brain patient (J.W.) as the right arm assumed different postures. The results showed that the congruency effects from distracting lights followed the hand around in space in normal people, but failed to do so in the split-brain patient when the hand crossed the midline. This suggests that cross-cortical connections are required to remap visual space to the current hand position when the hand crosses the midline. 相似文献