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141.
Wataru Teramoto Kosuke Tao Kaoru Sekiyama Shuji Mori 《Attention, perception & psychophysics》2012,74(8):1722-1731
The present study investigated the effects of presbyopia on the reading ability of middle-aged adults in a Japanese reading context, using the rapid serial visual presentation paradigm. Japanese words, each consisting of three characters, were sequentially presented at the same location on a display screen. Participants were instructed to read the words aloud as accurately as possible, irrespective of their order within the sequence. Experiment 1 showed that the reading performance for the presbyopes was far worse for the near-viewing (35?cm) than for the far-viewing (70?cm) conditions when the words were presented at 0.4° in character size. Experiment 2 investigated in detail the effect of luminance contrast on reading at a viewing distance of 35?cm. The minimums of the exposure durations within which the participants could read the words above 89.9?% correct (minimum exposure duration) were 498?ms/word for the presbyopes and 134?ms/word for the nonpresbyopes, both of which values were obtained at 100?% contrast. The critical contrast??that is, the contrast that doubled the minimum exposure duration that had been obtained at 100?% contrast??was considerably higher for the presbyopes (39.2?%) than for the nonpresbyopes (16.4?%). However, the reading performance for the presbyopes was improved more than threefold when the contrast was increased to 100?% in both experiments. Thus, our results provide psychophysical evidence for the dependency of presbyopes?? reading on viewing distance and luminance contrast. 相似文献
142.
Kumi Hirokawa Eriko Matsuno Kazuo Mori Jun Ukita 《Asian Journal of Social Psychology》2006,9(2):132-139
The present study examined the relationships of masculinity and femininity with concession in an experimental collaborative eyewitness testimony task, using the MORI technique. Participants formed same sex or mixed sex pairs and watched a videotaped event. Their eyewitness memories were assessed three times: immediately after watching, after discussing the event together, and individually 1 week later . The participants' self-confidence in their recalled memories and percentages of concessions were also examined. The Masculinity-Humanity-Femininity Scale was administered to the participants at the end of the experiment. The results showed that masculinity negatively correlated with concession, and that both masculinity and femininity were associated with inaccuracy in collaborative memory recall. 相似文献
143.
Brain lateralization has been the matter of extensive research over the last centuries, but it remains an unsolved issue.
While hand preferences have been extensively studied, very few studies have investigated laterality of eye use in non-human
primates. We examined eye preference in 14 Campbell’s monkeys (Cercopithecus c. campbelli). We assessed eye preference to look at a seed placed inside a tube using monocular vision. Eye use was recorded for 100
independent and non-rewarded trials per individual. All of the 14 monkeys showed very strong preferences in the choice of
the eye used to look inside the tube (mean preference: 97.6%). Eight subjects preferred the right eye and six subjects preferred
the left eye. The results are discussed in light of previous data on eye preference in primates, and compared to data on hand
preference from these subjects. Our findings would support the hypothesis for an early emergence of lateralization for perceptual
processes compared to manual motor functions. 相似文献
144.
The fuzzy judgement model of Ward (1979) predicts an inverse relation between the amount of stimulus information available to subjects and the magnitude of sequential dependencies on previous stimuli and responses in psychophysical scaling tasks. Ward confirmed this prediction for magnitude estimations of interdot distance for previous responses but not for previous stimuli, although the inverse relation has been repeatedly reported for both the previous stimuli and responses in absolute identification (e.g., Mori, 1989). This paper further explores this seemingly puzzling contradiction. A magnitude estimation of loudness experiment was conducted in which the amount of stimulus information available to subjects was manipulated by a modified version of informational masking (Watson, 1987). An absolute-identification-with-feedback experiment was also conducted to check the effectiveness of the informational masking in reducing the amount of stimulus information. The results of the magnitude estimation experiment show a striking similarity with those of Ward and generalize the failure of sequential dependencies on previous stimuli to vary inversely with stimulus information. An additional assumption that judgement strategies are altered under low-information conditions is necessary to explain this result. 相似文献
145.
Guanidino compounds are known to have important biological roles, such as the participation of arginine in ureagenesis, and of creatine in muscular contraction. On the other hand, the high toxicity of guanidino compounds, such as methylguanidine and guanidine, has been under study for quite a long time in the biochemical as well as clinical fields. In this review, the author summarizes the experimental results of neurophysiological and neurochemical studies on guanidino compound-induced seizures, conducted by his colleagues since 1966, and introduces several topics arising from their recent investigations on guanidino compounds and seizure mechanism,i.e., (1) α-guanidino-glutaric acid in the cobalt epileptic focus and its convulsive activity; (2) guanidino-ethanesulfonic acid and epilepsy; (3) δ-guanidinovaleric acid, and endogenous and specific GABA receptor antagonist; and (4) guanidino compounds as radical generators. 相似文献
146.
Terunori Mori 《Attention, perception & psychophysics》1984,35(6):515-518
The present study examined how a frame of reference was affected by velocity. This question was examined with respect to a system consisting of two points: one moved rectilinearly with constant velocity, and the other moved on a track in the shape of a cycloid (defined as the movement of two points—one on the hub and the other on the rim of a rolling wheel). The results indicated that (1) a frame of reference in which the centroid of the total picture was stationary was chosen mainly in a low-velocity range (0.1–0.7 deg/sec), (2) a frame of reference in which a picture point moved rectilinearly was chosen mainly in a medium-velocity range (0.8–40.0 deg/sec), and (3) an absolute coordinate system was chosen mainly in a high-velocity range (>40.0 deg/sec). The current evidence and other findings seem to be consistent with the idea that groups of neurons related to the three frames of reference are independent of one another, that the velocity ranges of the groups of neurons roughly overlapped each other, and that the most salient frame of reference is chosen (i.e., exclusion principle in choice of a frame of reference). 相似文献
147.
To investigate the nature of the task-stimulus interaction in tachistoscopic recognition of kana and kanji, right-handed normal subjects performed two phonological tasks and two visual tasks. In the phonological tasks, the subjects compared the members of a pair of kana or kanji appearing in the right or left visual field on the basis of phonological identity; while in the visual tasks, they compared the members of a pair of kana or kanji on the basis of visual identity. The results showed a significant Visual Field × Task interaction as well as a significant Task × Stimulus interaction, indicating that both the type of stimuli and the nature of task demands contribute importantly to the determination of visual field asymmetry and hence the relative participation of each hemisphere. 相似文献
148.
Masaki Kobayashi 《Islam & Christian-Muslim Relations》1996,7(3):285-295
In the modern world, since the end of the Cold War, it seems that the significance of inter‐religious dialogue between Muslims and Christians is increasing. One of the most interesting cases is that of the Vatican and Sudan. There exists an impression that the inter‐religious dialogue between these two parties is going very well But to what extent is this true? This article attempts to find out the true picture of this dialogue. Although the Sudanese Islamists were initially not so keen on the dialogue, they later became more positive and enthusiastic. The Sudanese have developed a vision in international inter‐religious dialogue, while the Vatican seems to have employed a rather delicate policy towards Sudan. 相似文献
149.
Akitane Mori Kiminao Mizukawa Hideaki Kabuto Isao Yokoi Takayoshi Jisho F. J. McGuigan 《International journal of stress management》1994,1(4):299-307
It is known that nitroglycerin (GTN) can be converted to form a nitric oxide (NO) molecule which is a highly reactive and unstable free radical species. NO is known to have many beneficial effects such as relaxing blood vessels, promoting digestive activity, and regulating blood pressure. The first experiment established an additional effect of NO, that GTN can help prevent emotionally-induced stomach stress ulcers in rats. In Experiment 2, we sought to estimate the quantity of nitrogen oxides in serum produced by GTN that is administered subcutaneously to rats. The results indicated that rats administered GTN increased significantly the amount of serum NO2 and NO3, relative to values for a control group. Since amounts of NO2 and NO3 reflect amount of NO, the administration of GTN significantly increased amount of NO. An implication of this research is that chemicals such as GTN may be used in therapy with humans for the prevention of some kinds of ulcers. Furthermore, while NO is commonly recognized as a pollutant, it has a number of beneficial effects on the body, e. g., it may slow the aging process, contribute to therapy for improtency, and facilitate memory processes. 相似文献
150.
To reveal the pure effects of trial-by-trial feedback on judgmental accuracy and sequential dependencies independent of global anchoring effects and other influences, we presented subjects with sequences consisting alternately (within an experimental session) of short runs of trials with feedback (feedback sequences) and without feedback (no-feedback sequences). In Experiments 1 and 2 (absolute identification of sound intensity and sound frequency, respectively), judgmental accuracy was the same in the feedback and the no-feedback sequences, contrary to previous results. Also, in the feedback sequences, the dependency of the current response on the immediately preceding stimulus was larger than that in the no-feedback sequences, while the dependency on the previous response was larger in the no-feedback sequences. In Experiment 3 (absolute identification of sound frequency), we attempted to separate the effects of the number of response categories on sequential dependencies from the effects of the number of stimuli. The results showed that the number of response categories had a larger effect than the number of stimuli on most aspects of performance, but that both affected sequential dependencies. These results are generally consistent with a theory of absolute identification in which feedback affects judgmental accuracy by improving long-term memory for judgmental anchors, while feedback affects sequential dependencies by altering response biases. 相似文献