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System and method for determining visual alertness

  • US 6,849,050 B1
  • Filed: 04/29/2002
  • Issued: 02/01/2005
  • Est. Priority Date: 05/07/2001
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • presenting a first pattern of light during a first interval of time;

    recording a first pattern response set including recording at least one response of a test subject, where the at least one response identifies at least one location in a visual field where at least one flash of light occurred;

    presenting a second pattern of light during a second interval of time;

    recording a second-pattern response set; and

    assessing visual alertness in response to the first-pattern response set and the second-pattern response set.

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