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System and method for determining emotional response to olfactory stimuli

  • US 9,295,806 B2
  • Filed: 03/05/2010
  • Issued: 03/29/2016
  • Est. Priority Date: 03/06/2009
  • Status: Active Grant
First Claim
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1. A method of determining an emotional response to olfactory stimuli presented to a test subject during an emotional response test, the method comprising:

  • analyzing respiration cycle information associated with the test subject to determine a respiration pattern that includes inhalation and exhalation portions of the test subject'"'"'s respiration cycle;

    measuring a distance between a nozzle of an olfactory stimuli dispenser configured to controllably release an olfactory stimulus and the test subject'"'"'s nose;

    determining a desired flow rate at which the olfactory stimulus is to be released;

    determining, based at least in part on the respiration cycle information, the measured distance, and the desired flow rate, a time at which the olfactory stimulus should be triggered for release to reach the test subject'"'"'s nose at a predetermined time, the predetermined time corresponding to an inhalation portion of the test subject'"'"'s respiration cycle or to a projected time at which the test subject will be in an inhalation portion of the respiration cycle;

    controllably releasing the olfactory stimulus at the determined time;

    receiving, at a computer, from an eye-tracking device operatively coupled to the computer, eye data collected from the test subject by the eye-tracking device while the test subject is presented with the released olfactory stimulus, the eye data including pupil data, blink data, and gaze data; and

    processing, by the computer, the collected eye data to determine the test subject'"'"'s emotional response to the olfactory stimulus.

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