Emotional responses to a traumatic event are most directly under the control of

I believe the answer is: autonomic nervous system.

 autonomic nervous system control every function that we do without our conscious. This include functions such as emotional response, regulation of our heart beat, the type of hormones that we should produce, the digestive process in our stomach, etc.

When we act out scriptural stories and principles, we're giving them flesh and blood—making them real to those who are performing as well as to those who are watching. It's GOSPEL: Jesus constantly employed dramatic and comedic stories to convey what the Kingdom of Heaven is like.

Hope my answer helps uh ✌️