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This is just a short excerpt on an experimental treatment for Dementia, using light (and sound) therapy at 40 hertz. 

I wanted to make this available to my visitors on this site, as I am also applying this treatment for my LO with dementia.

There are no established standards or protocols as yet, but I have been using this audio-visual stimulation, hoping it will benefit. 

I have attached the media file below.  The video is one hour in length and operates around 40 Hz with sound.  Headphones are recommended.

Generally, I prop my iPad on a pillow in front of my LO’s face and place headphones on her head. 

I try to provide at least three hours of stimulation a day.  



How it Works

Studies have shown that in a healthy brain the baseline frequency of communicating neurons operates around 40 cycles per second. When it functions normally, the brain is able to read/ write information more effectively for memory to be preserved.  In many conditions of dementia, there seems to be a considerable amount of debris that collects in the brain environment.  We have specialized cells known as astrocytes, whose role is to clear the brain of signal hindering material.  This material is known as plaque formations from discarded or damaged proteins that were not cleared. Recent studies have shown that the interference of signaling interrupts the normal flow of transmission and also leaves astrocytes disorganized in their house-keeping roles.  This appears to be a reason for the declining state of memory loss and the ultimate degenerating outcome for dementia patients.  Research has recently shown that when the brain is stimulated at the frequency of 40 Hz, plaques begin to clear from the brain.  It is as if the baseline frequency acts to restore the original role of astrocytes to do their chores. In studies with “knock-out” mice (mice genetically modified to have plaques in their brain) were given stimulation of 40 Hz through light emissions.  Results seemed to evidence a significant reduction in brain plaques after a few weeks of treatment.  In mice that were treated at late stages of the disease, as plaques were interfering with normal behavior, they also evidenced benefits.  However, the late-stage mice required a longer duration of treatment. 


Much is not known about this procedure and it seems to be only the beginning.  There have been a few human studies completed which seemed promising.  After searching online, I was able to find a Youtube video that seemed to provide both audio and visual stimulation consistent with previous studies.  I am making this available for you, my readers. 


I will include references and resources on this treatment below soon. Until then, feel free to use the media link I am including here.  

Best Wishes,




   Youtube source: https://www.youtube.com/watch?v=Mhgz57EWw0I&t=323s


    1.    Chen, Angus. (14 Mar. 2019). An Hour of Light and Sound a Day Might Keep Alzheimer’s at Bay. Retrieved from https://www.scientificamerican.com/article/an-hour-of-light-and-sound-a-day-might-keep-alzheimers-at-bay/

     2. Ismail, Rola. (1 May. 2018). The Effect of 40-Hz Light Therapy on Amyloid Load in Patients With Prodromal and Clinical Alzheimer’s Disease.             Retrieved from https://www.hindawi.com/journals/ijad/2018/6852303/

     3. (5 Mar. 2020). Noninvasive Brain Wave Treatment Reduces Alzheimer’s Pathology, Improves Memory in Mice. Retrieved from        https://www.nia.nih.gov/news/noninvasive-brain-wave-treatment-reduces-alzheimers-pathology-improves-memory-mice


40 Hertz Strobe






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