Infant behavior refers to the actions and reactions of babies from birth to around 12 months. During this period, infants exhibit reflexes such as grasping and sucking, which are essential for survival. They also engage in social behaviors, like smiling and cooing, to communicate with caregivers and establish bonds. As infants grow, their behavior becomes more complex. They begin to explore their environment through crawling and reaching for objects. This exploration is crucial for cognitive development, as it helps them learn about cause and effect. Additionally, infants show preferences for familiar faces and sounds, indicating early social and emotional development.