Experimental Methodology
The invisibility of 850nm light to the human eye was critical for maintaining proper blinding in the control group. An aluminum foil hat was used in the body-only group to completely block 850nm light from reaching the head and eyes. The s…
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The invisibility of 850nm light to the human eye was critical for maintaining proper blinding in the control group. An aluminum foil hat was used in the body-only group to completely block 850nm light from reaching the head and eyes. The study used three groups: a control with no light, a head-and-body exposure group, and a body-only exposure group.