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METHODS AND SYSTEMS FOR CIRCADIAN PHYSIOLOGY PREDICTIONS

  • US 20100138379A1
  • Filed: 11/27/2009
  • Published: 06/03/2010
  • Est. Priority Date: 05/29/2007
  • Status: Active Grant
First Claim
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1. A system for predicting a circadian state of an individual, the system comprising:

  • a processor connected to receive light stimulus information related to light stimulus to which the individual is exposed;

    wherein the processor is configured to;

    provide a model representative of circadian response to the light stimulus information, the model comprising one or more model variables and at least one model variable representative of a probability distribution function (PDF) of a phase offset of the circadian state of the individual; and

    use the model and the light stimulus information to estimate an updated PDF of the phase offset, wherein using the model and the light stimulus information to estimate the updated PDF of the phase offset comprises performing a Bayesian estimation process commencing with an initial PDF of the phase offset and iterating toward the updated PDF of the phase offset.

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