AP PSYCHOLOGY

Detailed explanation-1: -Does not gesture to communicate by 10 months. Poor eye contact. Seeks your attention infrequently. Repeatedly stiffens arms, hands, legs or displays unusual body movements such as rotating the hands on the wrists, uncommon postures or other repetitive behaviors.

Detailed explanation-2: -Between about one and three months of age, your baby will reach some fun hearing and speech milestones. These include smiling at the sounds of your voices and turning their head toward the direction of sound. They’ll also begin to babble and imitate some sounds.

Detailed explanation-3: -At 10 months, your baby’s cognitive development is focused primarily on problem solving. They’re using their new mobility and reasoning skills to investigate challenges like “How can I get that toy over there?” They’re also starting to become responsive-in short bursts-to requests, commands, and words like “no.”

Detailed explanation-4: -By the end of 12 months Try imitating speech sounds. Say a few words, such as “dada, ” “mama” and “uh-oh” Understand simple instructions, such as “Come here"