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Method for determining fluctuation in attentional state and overall attentional state

  • US 6,685,652 B1
  • Filed: 05/17/2001
  • Issued: 02/03/2004
  • Est. Priority Date: 05/17/2000
  • Status: Expired due to Term
First Claim
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1. A method of acquiring information about the pattern or fluctuation in attentional state of a subject, said method comprising:

  • (a) presenting to said subject a sequence comprising target and nontarget stimuli, wherein said sequence is divided into three or more epochs in which there are a predetermined number of target and nontarget stimuli over a predetermined period of time;

    (b) scoring the response of said subject on the percentage of targets responded to and the percentage of nontargets responded to during each epoch; and

    (c) on the basis of the scoring of step (b), making a determination of the attentional state of said subject during each epoch;

    whereby the pattern or fluxuation in attentional states during the test period is assessed.

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