Gamma stimulation pulsing light source system with dosage adjustment for gaze angle

Robert Dobkin (Inventor), Ngoc Mai Nguyen (Inventor), Marcus Carstensen (Inventor), Paul Michael Petersen (Inventor), Jes Broeng (Inventor), Mark Henney (Inventor)

Research output: Patent

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Abstract

Gamma brain stimulation for preventing or treating Alzheimer's disease or sleeping disorders using light or sound is known. A strobing 40 Hz light source has been shown to cause positive effects due to the stimulation. It is an advantage to know the actual dosage of light that enters the person's eyes in order to understand the relationship between dosage and effectiveness. A camera is used to detect the subject's gaze angle, distance, pupil diameter and any other factors that affect the light power that enters the eye. A target dosage is first determined by a medical worker, such as to determine the effects of the exact same dosage on a group persons, such as Alzheimer's patients. With deviations of gaze angle, distance, and pupil size from the ideal, the effective dosage is decreased. The disclosed system adjusts the actual dosage, such as session duration, based on such factors so that the final dosage received by the person is consistent and meets the target dosage.

Original languageEnglish
IPCA61N 5/ 06 A I
Patent numberWO2022093704
Filing date29/10/2020
Country/TerritoryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date29/10/2020
Priority numberUS202017084275
Publication statusPublished - 5 May 2022

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