AP PSYCHOLOGY

Detailed explanation-1: -Infants (birth to 24 months of age) can express a wide range of basic emotions including: discomfort, pleasure, anger, fear, sadness and excitement.

Detailed explanation-2: -Babies can feel interest, distress, disgust, and happiness from birth, and can communicate these through facial expressions and body posture. Infants begin showing a spontaneous “social smile” around age 2 to 3 months, and begin to laugh spontaneously around age 4 months.

Detailed explanation-3: -There are four kinds of basic emotions: happiness, sadness, fear, and anger, which are differentially associated with three core affects: reward (happiness), punishment (sadness), and stress (fear and anger).

Detailed explanation-4: -Three distinct emotions are present from birth; anger, joy, and fear, revealed by universal facial expressions. Cognitive input is not required for emotional response at this stage.