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Blue light and its Effects on the human BrainScience project video


Visible light has been proven to have a direct effect on both our physical health and emotional well-being; however, recent studies are discovering how specific light spectrums affect us. In this science fair project, you will test how blue light affects the emotional well-being of participants.


Determine the effects of exposure to blue light on the emotional state of human subjects.

Scientific Terms

Light, Light spectrum, Blue light, Light therapy


A recent study published by the National Academy of Science suggests that blue light may have an important role in how the brain processes emotion. The use of light in therapeutic treatments is not new; light therapy has been used to relieve mental conditions such depression. Traditional light therapy makes use of white light, which covers the entire light spectrum - blue, green, yellow, orange, violet and red. Newer studies isolate the specific light spectrum that causes our brain to adapt to emotional change.

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