Those cells affect skin color, ear cartilage,
facial bone formation, and the adrenal glands, which produce stress hormones and testosterone — all of which differ in domesticated and undomesticated animals.
Indeed, it is the rotational movements of the brain inside the calvaria (meaning all of the cranium except for the
facial bones) and the shearing forces affecting the upper reticular
formation that create torque, which leads to the typical loss of consciousness.