A new study shows that light therapy could help improve memory and thinking skills in people with Alzheimer’s disease. The treatment uses soft, flickering light to stimulate brain activity. Researchers say it may offer a simple and safe option to support patients at home.
The research was led by the Technical University of Denmark (DTU) and the University of California, Berkeley. It focused on the effects of light stimulation on gamma brain waves, which are linked to better brain function.
Clinical trials were held at Zealand University Hospital in Denmark. Patients with Alzheimer’s disease received 30 minutes of light therapy daily for six to twelve weeks. The therapy was given through a special lamp.
Results showed that patients who used the light therapy had better memory, clearer communication, and improved overall mental function. The trial was double-blind, meaning neither doctors nor patients knew who received the real treatment. This helped ensure reliable results.
Inspired by Animal Studies
The idea came from earlier research at MIT. In those studies, mice exposed to flashing lights produced gamma brain waves. The light also helped reduce brain plaques linked to Alzheimer’s disease.
Professor Paul Michael Petersen, part of the research team, said the new method uses a softer and more comfortable light. It is designed to avoid the discomfort of bright flashing lights, making it safer for long-term use.
A Step Toward Home-Based Care
This new light therapy could be used through a household lamp, making it easy for patients and caregivers. While more studies are needed, experts believe the therapy could support brain health and slow the effects of Alzheimer’s disease.
The research offers hope for a future where simple home treatments may improve quality of life for patients.
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