Blind infants tend to show the same facial expressions as do sighted infants,but as blind infants grow older,their expressions become less animated.This indicates that facial expressions ____.
A) are innate
B) are learned
C) may be innate but are maintained by operant shaping
D) are the result of imitation

Question

Quizplus · Accepted Answer

Facial expressions may be innate as indicated by their presence in both blind and sighted infants, but the fact that blind infants' expressions become less animated over time suggests that visual feedback and social reinforcement (operant shaping) play a role in maintaining and refining these expressions.

Blind Infants Tend to Show the Same Facial Expressions as Do