LIGHT IRRADIATION DEVICE FOR IMPROVING COGNITIVE SYMPTOM AND DEPRESSION SYMPTOM, ROOM HAVING THE LIGHT IRRADIATION DEVICE, AND LIGHTING DEVICE FOR IMPROVING COGNITIVE SYMPTOM AND DEPRESSION SYMPTOM
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United States of America Patent
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Oct 2, 2014
app pub date -
Oct 25, 2012
filing date -
Oct 25, 2011
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In a light irradiation device 20 for improving cognitive symptom and depression symptom according to the present invention, photostimulation is given to a retina by continuous flashing of a light source 21 of frequency of 1 to 10 Hz, Homer 1a is made to continuously express by the photostimulation, and BK-type potassium channel in pyramidal cell of cerebral cortex is activated. It is possible to exert an effect equivalent to a depression symptom improving effect obtained by an electroconvusion stimulation device, an effect equivalent to a depression symptom improving effect and an effect equivalent to a cognitive symptom improving effect obtained by a transcranial magnetic stimulation device. It is possible to utilize these devices also in home environment as compared with an electroconvusion stimulation device and a transcranial magnetic stimulation device which are limited to treatment in clinical institutions as opposed to home environment.
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