The application of light therapy via LEDs on the forehead and scalp can improve cognitive function and post-traumatic stress disorder in patients with a traumatic brain injury, a study published in Photomedicine and Laser Surgery has reported.
In the study, patients self-administered transcranial LED-based light therapy at home on a daily basis.
Patients who used the therapy demonstrated substantial improvement in cognitive function, including improved memory, inhibition, and ability to sustain attention and focus.
The cognitive gains decreased when the patients stopped treatment for a few weeks, but they returned when the treatment was restarted.
Low-level light therapy using lasers or externally placed LEDs has been shown to improve cellular metabolism and produce beneficial physiological effects.
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