Cognitive Behavioral Therapy Commons^™

Cognitive Effects Of Short Duration Short Wavelength Visible Light, Sarah J. Bolton

Theses and Dissertations

This thesis research looks at the effects of short duration, high intensity, short wavelength light with the goal of determining if converting typically white colored lights in breakrooms and bathrooms to blue will cause workers who normally work in a low light environment to be more alert and productive. Sixteen participants were outfitted with Electroencephalography (and Electrooculography (EOG) equipment before being exposed to 200 lux of either 460 nm blue light or D6500 white light for 30 minutes. Afterwards, the light levels were changed to 3.5 lux of D6500 light and the participants were asked to perform six cognitive tests …