Newborn Farrah will probably look longer at __________ human and animal faces than __________ ones.
A) upside-down; upright
B) unattractive; attractive
C) directly gazing; sleeping
D) sideways; upright
Question 2
A general principle, called __________, explains early pattern preferences.
A) visual acuity
B) binocular depth cues
C) contrast sensitivity
D) amodal sensory perception