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The question has been raised as to whether there exists any transfer of information between neighboring retinal areas following presentation of spatially limited optical stimuli. Our experiments were aimed at mechanisms by which spatial frequency information could be transferred from one part of the visual field to another. Within a 0.9 degree X 2.5 degree section of the 3.6 degree X 2.5 degree testfield the observers adapt to a number of moving sinusoidally-modulated brightness or hue gratings of different spatial frequencies. As known by many publications the sensitivity to spatial frequencies changes in the adapted area. We find that this influence on the contrast threshold decreases as the distance to the adaptation section increases. Hence our results suggest mechanisms within the visual system mathematically best described by a local spectrum analysis.
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R Röhler
January 2016,
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R Röhler
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E Perizonius, and
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R Röhler
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E Perizonius, and
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E Perizonius, and
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E Perizonius, and
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H Geiger, and
R Röhler
January 2011,
Meditsinskaia tekhnika,
E Perizonius, and
W Schill, and
H Geiger, and
R Röhler
May 1972,
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E Perizonius, and
W Schill, and
H Geiger, and
R Röhler
September 1971,
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