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Can keep head in mid-position of body when lying on tummy.
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On tummy, can lift head and chest from surface using arms for support.
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Discovers hands and feet as an extension to self.
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Prefers to look at human faces and patterned objects.
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Is comforted by the human face.
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Watches adults' facial expressions closely.
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Shows affection to human.
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Is able to show distress, excitement, contentment, anger, and delight.
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Able to place objects in mouth.
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Can maintain a sitting position for several minutes if given proper support.
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Explores toys by grasping, sucking, shaking, and banging.
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Smiles and coos when caregiver talks to him or her.
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Enjoys social aspects of feeding time.
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Shows increased pleasure in social interactions.
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May form an attachment to one special object.
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Attachment to special toys.
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Can sit supported for 15-30 minutes with a firm back.
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Holds objects in both hands.
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Smiles at self in the mirror.
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Studies objects intently, turning them to see all sides.
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Enjoys playing with children.
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Laughs when socializing.
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Smiles when given attention.
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Desires constant attention from caregiver.
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Likes to bounce when in a standing position.
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Pulls self up in standing position.
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Likes to empty and fill containers.
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Enjoys looking through books with familiar pictures.
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Begins to have a sense of humor.
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Expresses anger more dramatically.
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Shows desire for social contacts.
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Thoroughly enjoys company of siblings.
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Finds objects that are totally hidden.
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Responds appropriately to a few specific words.
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Shows interest in play activities of others.
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May show fear of heights.
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Recognizes the social nature of mealtimes.
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Sits alone.
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Crawls; may try to crawl upstairs.
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Likes to play games like patty-cake.
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Climbs on chairs and other furniture.
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Likes to walk holding caregiver's hand.
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Links specific acts or events to other events.
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Likes to look at pictures in a book.
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Enjoys music and may mimic movements others make to music.
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Is more aware and sensitive to other children.
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Expresses delight or happiness.
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May be able to show symbolic thought by giving love to a stuffed toy or mimic behaviors of others.
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Stands alone.
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Likes to grasp feeding utensils and cup.
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Speaks first recognizable word.
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Begins to find familiar objects that are not in view.
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Likes to say no and shake head to get response from caregiver.
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May not always want to be cooperative.
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Imitates movements of other adults and children.
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Objects to having his or her enjoyable play stopped.
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Climbs up and down stairs.
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Waves good-bye
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Likes to open containers and look at their contents.
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Enjoys playing with siblings.
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May resist napping.
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May have tantrums.
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May show preference for one hand.
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Likes to practice communication with adults.
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