共查询到20条相似文献,搜索用时 25 毫秒
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V Bruce A M Burton I Craw 《Philosophical transactions of the Royal Society of London. Series B, Biological sciences》1992,335(1273):121-7; discussion 127-8
Much early work in the psychology of face processing was hampered by a failure to think carefully about task demands. Recently our understanding of the processes involved in the recognition of familiar faces has been both encapsulated in, and guided by, functional models of the processes involved in processing and recognizing faces. The specification and predictive power of such theory has been increased with the development of an implemented model, based upon an 'interactive activation and competition' architecture. However, a major deficiency in most accounts of face processing is their failure to spell out the perceptual primitives that form the basis of our representations for faces. Possible representational schemes are discussed, and the potential role of three-dimensional representations of the face is emphasized. 相似文献
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A facial "cone" can be drawn inside the head. The apex of the cone is the midpoint of the line that connects both ear canals, point C, and the face is the base. A modified face bow is designed with holes through which a Steinmann pin is passed, meeting at the apex of the facial cone. After the ear bolts are symmetrically fixed, the Steinmann pin through the central hole follows the midline of the face as the bow rotates from the forehead to the chin. The right and left facial bony protrusions can be evaluated by two Steinmann pins projecting through the corresponding holes on the face bow. This device is utilized to determine the facial midline and facial symmetry during surgery. It also can be used as a tool for anthropologic studies. 相似文献
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S Carey 《Philosophical transactions of the Royal Society of London. Series B, Biological sciences》1992,335(1273):95-102; discussion 102-3
Young children do not form representations of newly encountered faces as efficiently as do adults. A first step in explaining this difference, like any age-related change, is locating its source. A major source of the improvement is acquisition of knowledge of faces per se, as opposed to age-related changes in general pattern encoding or memorial skills. Two consequences of expertise at individualizing members of classes that share a basic configuration are known: a large inversion effect and a caricature advantage. It is possible that both of these effects reflect increased reliance, with expertise, on configuration distinguishing features. Several phenomena that indicate that inversion interferes with the encoding of configural aspects of faces are reviewed. Finally, developmental data are presented that confirm the suspicion that there are at least two distinct sources of the vulnerability of face encoding to inversion, perhaps reflecting two distinct senses of 'configural encoding' of faces, only one of which is implicated in adult expertise at face encoding. 相似文献
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R. Mistlin 《BMJ (Clinical research ed.)》1992,305(6855):711-712
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P G Debenham 《Trends in biotechnology》1992,10(3):96-102
DNA-fingerprinting technology has made a very rapid transition from being a research laboratory discovery to an applied science widely understood by, and of interest to, the general public. However, DNA fingerprinting is often portrayed as being a single generic technology, rather than a complex evolving mixture of methodologies, where specific applications demand selection of appropriate probes and techniques. 相似文献
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T. J. Murray 《CMAJ》1979,120(4):441-443
Carotidynia is a form of vascular neck are face pain in which the vascular change occurs in the carotid artery in the neck. The disorder is not uncommon, and most patients have a prior history of migraine. They present with pain in the neck and face, and are often thought to have a disorder such as chronic sinusitis or trigeminal neuralgia. Diagnosis can be made from the type and location of the pain and the finding of a tender and swollen carotid artery on the same side. Carotidynia responds to the prophylactic medications used for migraine, often disappearing in weeks or months. In some patients the syndrome may become recurrent or chronic, with a variable response to medication. 相似文献
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The possible existence of one-sided dominance in the face, similar to the phenomena of handedness and footedness, has been investigated by studying smiling pattern, movements of the angles of mouth, winking, platysma contraction, raising and everting the upper lip with dilatation of the nostril, and vertical wrinkling of the forehead, on 300 right-handed and 30 left-handed persons. The conclusions are as follows: 1. The large majority of persons investigated do not use the two sides of face equally. 2. Facial ambilaterality is a rare feature. 3. There is no clear-cut correlation between handedness and the dominant side of the face. 4. The greater percentage (58.66%) of right-handed persons show a left-sided smile and find it more convenient to perform almost all exercises with the left side of the face. A still greater percentage (73.33%) of left-handed persons shows a right-sided smile and a better performance of all exercises with the right side of the face. The contralateral relationship of handedness to the dominant side of the face is significant in the right-handed and more so, in the left-handed persons. 相似文献
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Mathews JD 《Philosophical transactions of the Royal Society of London. Series B, Biological sciences》2008,363(1510):3679-3684
The epidemic of kuru is now known to have been transmitted among the Fore by ritual consumption of infected organs from deceased relatives. As cannibalism was suppressed by government patrol officers during the 1950s, most transmission had ceased by 1957, when the kuru research programme first commenced. As predicted in the 1960s, the epidemic has waned, with progressive ageing of kuru-affected cohorts over the years to 2007. The few cases seen in the twenty-first century, with the longest incubation periods, were almost certainly exposed as children prior to 1960. Although the research programme had almost no role in bringing the kuru epidemic to an end, it did provide important knowledge that was to help the wider world in controlling the later epidemics of iatrogenic and variant Creutzfeldt-Jakob disease and bovine spongiform encephalopathy. 相似文献
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K G Dickinson 《BMJ (Clinical research ed.)》1981,283(6297):958-959
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New face of antiapoptotic proteins. II. Survivin 总被引:1,自引:0,他引:1