Video: On a Different Wavelength — Psychologist Elsa Baehr discusses her use of neurofeedback — physical therapy for the brain — to treat depression. See more videos from Northwestern News. In a tall, ...

Lights of different wavelengths have been studied for years ... therapy on 38 patients who had suffered "moderate traumatic brain injury" - defined as an injury to the head serious enough to ...

We see color because photoreceptor cones in our eyes detect light waves corresponding to red, green, and blue, while dimness ...