-
1 Month Old keep hands fisted or slightly open -
3 Months old grasps and keep shakes hand toy -
4 Months begins to use mitten grasp for grabbing objects near the hands -
4 Months swipes at objects, gradually improving aim -
5 Months can sit supported for 15 to 30 minutes with a firm back -
6 Months gets up on hands and knees, but then may fall forward -
7 Months hold an object in each hand -
8 Months learns pincer grasp, using just the thumb and forefinger -
9 Months sits alone -
9 Months uses index finger to point, lead, and poke -
10 Month climbs on chairs and other furniture -
10 Month likes to walk holding caregiver's hands -
11 Month is able to stand and pick up objects -
11 Month takes off shoes and socks -
12 Month climbs up and down stairs -
12 Month may be able to pull off clothing -
1 Month prefers to look at human faces -
3 Month laugh out loud -
4 Months enjoy watching hands and feet -
4 Months smiles and coos when caregiver talks to him or her -
5 Month babbles to initiate contact -
6 Months grabs at any objects in reach -
7 Months may be able to play peek-a-boo game -
8 Months searches for a hidden object -
9 Months finds objects that are totally hidden -
9 Months responds appropriately to a few specific words -
10 Months speaks recognizable word -
10 Months waves good-bye -
11Momths old likes to open containers and look at their contents -
11 Months puts nesting toys together correctly -
12 Months links specific acts or events to other events -
12 Months likes to look at pictures in a book -
1 months old reacts to discomfort and pain by crying for assistance -
2 months shows affection by looking at a person while kicking, waving arms, and smiling -
2 months old is able to show distress , exctiment , contetment , anger , and delight -
3 months old watches adults' facial expressions closely -
4 months old responds to continued warmth and affection -
4 months old laughs when tickled -
4 months shows increased pleasure in social interactions -
4 months old enjoys social aspects of feeding time -
5 months old may begin to show fearful behavior as separateness is felt -
6 months old likes attention and may cry to get it -
6 months old laughs when socializing -
6 months old enjoys playing with children -
7 months old thoroughly enjoys company of siblings -
7 months old expresses anger more dramatically -
8 months old values quick display of love and support from caregiver -
8 months old enjoys playing with own image in a mirror -
9 months old may show a fear of new sounds -
9 months old shows interest in play activities of others -
9 months old likes to play games like pat-a-cake -
9 months old recognizes the social nature of mealtimes -
10 months old performs for others, repeats act if applauded -
10 months old enjoys music and may mimic movements others make to music -
10 months old fears strange places -
10 months old cries less often -
11 months old tests caregivers to determine limits -
11 months old imitates movements of other adults and children -
11 months old objects to having his or her enjoyable play stopped -
11 months old may not always want to be cooperative -
12 months old shows increased negativism. May have tantrums -
12 months old likes to practice communication with adults -
12 months old enjoys playing with siblings -
12 months old may resist napping