US Patent 7556604 Cognitive capacity measurement device and cognitive capacity measurement method
Patent 7556604 was granted and assigned to National Institute of Information and Communications Technology on July, 2009 by the United States Patent and Trademark Office.
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A cognitive capacity measuring device utilizes an image display unit for displaying different kinds of images that have been degraded from an original photographic object. A subject can provide an input when he/she discerns the photographic object in the degraded image. Recognition time periods are recorded and matched with predetermined challenge level data parameters to calculate a cognitive capacity of the subject. A statistically significant number of test subjects provide recognition times relative to a specific degraded image so that a normal distribution from a frequency distribution of the number of subjects in relationship to a logarithm of the recognition times can be determined. The normal distribution along with the challenge level parameters can provide an indication of the subject's cognitive capabilities.
US Patent 07556604 Cognitive capacity measurement device and cognitive capacity measurement method US Patent 7556604 Cognitive capacity measurement device and cognitive capacity measurement method
US Patent 07556604 Cognitive capacity measurement device and cognitive capacity measurement method
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