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12 Jan 10
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When an ambiguous image is viewed, a single image impinges upon the retina, but higher order processing in the visual cortex leads to a number of different interpretations of that image.
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06 Oct 09
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01 May 09
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Rudy GarnsHow the brain interprets complex visual scenes is an enduring mystery for researchers. This process occurs extremely rapidly - the "meaning" of a scene is interpreted within 1/20th of a second, and, even though the information processed by the brain may be incomplete, the interpretation is usually correct.
Occasionally, however, visual stimuli are open to interpretation. This is the case with ambiguous figures - images which can be interpreted in more than one way. When an ambiguous image is viewed, a single image impinges upon the retina, but higher order processing in the visual cortex leads to a number of different interpretations of that image. (Neurophilosophy)-
the importance of scale information in perception
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t seems that the brain is adept at selecting the frequncy band containing the most information relevant to a particular task.
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the brain extracts large-scale features slightly earlier than fine-grained features
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19 Jul 07
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