Which one of the following statements about early detection of emotions is most accurate?
◦ Infants do not recognize differences in adult facial expressions until they are around 10 months of age.
◦ Infants are able to distinguish between facial expressions of different emotional intensity by around 10 months of age.
◦ Infants learn to differentiate between different types of emotional vocalizations at about 10 months of age.
◦ Infants respond visual cues of emotion soon after birth, but do not respond to vocal expressions of emotion until about 10 months of age.