An informational approach to sensory adaptation |
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Authors: | Kenneth H. Norwich Kristiina M. Valter McConville |
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Affiliation: | (1) Department of Physiology and Institute of Biomedical Engineering, University of Toronto, M5S 1A4 Toronto, Ontario, Canada;(2) Institute of Biomedical Engineering, University of Toronto, 4 Taddle Creek Road, M5S 1A4 Toronto, Ontario, Canada |
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Abstract: | Summary Concepts from information theory can enhance our understanding of perceptual processes by providing a unified picture of the process of perception. A single equation is shown to embrace adaptation phenomena, stimulus-response relations, and differential thresholds. Sensory adaptation is regarded as representing a gain in information by the receptor. It is calculated that for constant stimuli in the form of step inputs, insects and arachnids obtain approximately the same amount of information per stimulus from their respective environments as do human beings. |
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Keywords: | Adaptation Information Unifying theory |
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