Video is widely used in life sciences, such as to record movement or changes in colour, shape and size, because it offers greater depth and interactive insight, especially when it is synchronized with quantitative data recordings.

Galvanic Skin Response (GSR) measures changes in sweat gland activity on the skin as an indication of physiological or psychological arousal. Galvanic Skin Response may also be referred to as electrodermal response (EDR), skin conductance response...