Question

How could a game development team use measures of things like blood pressure, brain waves, eye movement, and even electrical conductivity of a player’s skin to improve their game

Answer 1

The development of methodologies in human interaction with technology has advanced a great deal over the last few decades in fields such as IT, engineering and even psychology.

Answer 2

Responses from the somatic nervous system, essentially via electromyogram. ( via adding responses through your body in order to add abstract or involuntary actions)

Responses from the autonomous nervous system that include blood pressure, heart rate, temperature and stomach pH, among others.

Response from the central nervous system obtained via electroencephalogram, which detects brain rates (alpha, theta, SM and MU waves).