How to wear bio-sensors?

(courtesy of OP Innovations, Ltd.)

top of forehead: for sleep, meditation, head posture and activity, etc.

side of forehead: for alpha wave, left or right brain activity, etc.

center of chest: HRV, breathing, body posture and activity, etc.

slant over temple: cool Star-Trek 7-of-9 look, alpha wave, eye movement, etc.

behind ear: cool sci-fi star crew look.

both sides of forehead: double cool, left & right brain compare.

upper arm: body activity, SCR/GSR/EDA, etc.

wrist, top side: hand activity, SCR/GSR/EDA, etc.

wrist, bottom side: hand activity, SCR/GSR/EDA, etc.