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NB - 1 Development
| Question | Answer |
|---|---|
| Physical development at birth to 4 weeks | Gains 5–7 oz/week, 1" height/month, head circumference ↑ ½" per month. Moro, Babinski, rooting, and tonic neck reflexes present. |
| Personal-social development at birth to 4 weeks | Some smiling begins. Erikson’s stage |
| Fine motor development at birth to 4 weeks | Strong grasp reflex; hands flexed. |
| Gross motor development at birth to 4 weeks | Turns head side to side when prone; body in flexed position. |
| Language at birth to 4 weeks | Cries when upset; enjoyment sounds during mealtimes. |
| Cognitive development at birth to 4 weeks | Sucking associated with pleasurable sensations by 1 month. |
| Physical development at 6 weeks | Tears appear; less flexion. |
| Personal-social development at 6 weeks | Smiles in response to familiar stimuli. |
| Fine motor development at 6 weeks | Hands open. |
| Gross motor development at 6 weeks | Holds head up when prone; tries to raise shoulders and head. |
| Language at 6 weeks | Cooing begins; babbling sounds start. |
| Cognitive development at 6 weeks | Primary circular reactions—touches or mouths objects. |
| Physical development at 10–12 weeks | Posterior fontanel closes. |
| Personal-social development at 10–12 weeks | Aware of environment; cries less. |
| Fine motor development at 10–12 weeks | Grasp reflex gone; pulls on clothes or blankets. |
| Gross motor development at 10–12 weeks | Moro reflex disappears. |
| Language at 10–12 weeks | Makes noises when spoken to. |
| Cognitive development at 10–12 weeks | Begins coordinating responses to stimuli. |
| Physical development at 16 weeks | Moro, rooting, and tonic neck reflexes disappear; drooling begins. |
| Personal-social development at 16 weeks | Responds to stimuli; aware of new environment. |
| Fine motor development at 16 weeks | Grasps objects with both hands; eye-hand coordination begins. |
| Gross motor development at 16 weeks | Balances head/body briefly when sitting; brings objects to mouth. |
| Language at 16 weeks | Laughs aloud; begins consonant sounds. |
| Cognitive development at 16 weeks | Likes social interaction; fusses when bored or unattended. |
| Physical development at 20 weeks | May show signs of teething. |
| Personal-social development at 20 weeks | Smiles at self in mirror; cries with limitations. |
| Fine motor development at 20 weeks | Holds one object while looking for another; brings to mouth. |
| Gross motor development at 20 weeks | Sits up; rolls over. |
| Language at 20 weeks | Squeals with delight; good head control. |
| Cognitive development at 20 weeks | Visually searches for dropped object. |
| Physical development at 24 weeks | Birth weight doubles; teething begins with lower central incisors. |
| Personal-social development at 24 weeks | Stranger anxiety; knows likes/dislikes; plays peek-a-boo. |
| Fine motor development at 24 weeks | Holds bottle; tries to retrieve dropped object. |
| Gross motor development at 24 weeks | Tonic neck reflex disappears; sits in high chair; rolls both ways. |
| Language at 24 weeks | Makes sounds like "guh" and "bah"; babbling and imitative sounds. |
| Cognitive development at 24 weeks | Secondary circular reactions; beginning object permanence. |
| Physical development at 28 weeks | Lower lateral incisors erupt; upper central next. |
| Personal-social development at 28 weeks | Imitates acts; responds to "no"; shows food preferences. |
| Fine motor development at 28 weeks | Holds cup; transfers objects between hands. |
| Gross motor development at 28 weeks | Reaches without visual help; lifts head in supine position. |
| Language at 28 weeks | Babbling decreases; says "ma-ma," "pa-pa" sounds. |
| Physical development at 32 weeks | Teething continues. |
| Personal-social development at 32 weeks | Dislikes diaper/clothing changes; fears strangers; separation anxiety. |
| Fine motor development at 32 weeks | Developing pincer grasp; may stand while holding on. |
| Gross motor development at 32 weeks | Crawls; pulls toy toward self. |
| Language at 32 weeks | Combines syllables but doesn’t assign meaning. |
| Physical development at 40 weeks–1 year | Birth weight tripled; 6 teeth; Babinski reflex gone; anterior fontanel closes by 18 months. |
| Personal-social development at 40 weeks–1 year | Imitates parents; follows reading; seeks attention; searches for objects. |
| Fine motor development at 40 weeks–1 year | Uses tools; stacks blocks; scribbles. |
| Gross motor development at 40 weeks–1 year | Stands alone; begins walking; changes position independently. |
| Language at 40 weeks–1 year | Says “ma-ma,” “da-da” with meaning; other words emerge. |
| Cognitive development at 40 weeks–1 year | Coordinates actions to achieve goals; overcomes barriers. |