What do you think it would mean if infants came into the world "prewired" to prefer the human face to other, equally complex visual stimulation ? Can you explain the evolutionary advantage that such prewiring would provide?

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.