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  • 1
    Electronic Resource
    Electronic Resource
    Influence of Stroboscopic Illumination on the After-effect of Seen Movement (1963)
    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 99-100 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have recently investigated the effect of lighting the stationary surface stroboscopically instead of constantly. The stimulus pattern first used (by R. L. G. and S. M. A.) was a rotating Archimedes's spiral which is seen as expanding or contracting, the opposite apparent motion being normally ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/199099b0
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  • 2
    Electronic Resource
    Electronic Resource
    Apparent Relative Movement of ‘Unsharp’ and ‘Sharp’ Visual Patterns (1963)
    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 161-161 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE essence of Dr. Verheijen's pleasing demonstration is that a blurred and a sharp contour, moving objectively with the same velocity over the retina, do not appear to move together. This could be caused by either: (a) a difference in the latency, or (b) a difference in the magnitude of the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/199161a0
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  • 3
    Electronic Resource
    Electronic Resource
    Moving Visual Images produced by Regular Stationary Patterns (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 362-363 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The marked differences observed between these moir6 patterns and the complementary images provided the first reason for believing that the latter had a different origin. The evidence1-2 of interocular transfer, especially in random visual noise, and of the limited relevance of eye movement ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/181362c0
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  • 4
    Electronic Resource
    Electronic Resource
    Some Further Visual Phenomena associated with Regular Patterned Stimulation (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1145-1146 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Since the article was written a number of related effects have been discovered, two of which appear to be of special interest. The first is observed when a source of visual 'noise' is presented after a ten-second viewing of the stimulus pattern in normal light. The spots of light on the screen, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1801145c0
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  • 5
    Electronic Resource
    Electronic Resource
    Moving Visual Images Produced by Regular stationary Patterns (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 849-850 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] REGULAR patterns have a peculiar status from the point of view of information theory as being rich in 'redundant' information. Redundancy, despite the pejorative flavour of the word, is not always an undesirable property. In particular, it enables an information system in principle to transmit a ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/180849a0
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  • 6
    Electronic Resource
    Electronic Resource
    Perceptual Stability of a Stroboscopically Lit Visual Field containing Self-Luminous Objects (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 507-508 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the course of experiments designed to explore a different hypothesis1, a rather striking phenomenon has been observed. If a room containing self-luminous objects (such as the cathodes of thermionic valves) is lit Stroboscopically, it is found that at rates of flash down to some 15 per sec. the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/181507a0
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  • 7
    Electronic Resource
    Electronic Resource
    A ‘Solid-Image’ Microscope (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 246-247 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The crucial advantage of the electronic display is that the signal can be electronically 'inverted' so as to present a negative picture showing objects in white on an otherwise dark background. In this way one could readily see single nuclear particle-tracks in emulsion (for the study of which the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/183246b0
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  • 8
    Electronic Resource
    Electronic Resource
    Monocular ‘Rivalry’ between Stabilized and Unstabilized Retinal Images (1960)
    [s.l.] : Nature Publishing Group
    Nature 185 (1960), S. 834-834 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The apparatus3 comprises a close-fitting contact lens with an optical power of 60 dioptres, supporting a light 'Dural' tube on which objects under examination are mounted at the focal distance of about 1 \ cm. The lens incorporates an artificial pupil 4 mm. in diameter. When tho image of a sharply ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/185834a0
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  • 9
    Electronic Resource
    Electronic Resource
    Visual Effects of Non-redundant Stimulation (1961)
    [s.l.] : Nature Publishing Group
    Nature 192 (1961), S. 739-740 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] OPTICAL fields modulated randomly with respect to space and time (Visual noise') appear to offer a powerful new tool for the investigation of visual perceptual processes. In earlier work1'2 I have described the use of such 'non-redundant' stimuli to shock-excite the visual ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/192739a0
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  • 10
    Electronic Resource
    Electronic Resource
    Evoked Potentials Correlated with a Visual Anomaly (1966)
    [s.l.] : Nature Publishing Group
    Nature 209 (1966), S. 787-789 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AN incoherent succession of randomly patterned optical images ('dynamic visual noise') offers a useful stimulus to probe the visual system and reveal any bias present in perceptual mechanisms1-3. The present investigation concerns the physiological correlates of a curious visual anomaly discovered ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/209787a0
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