Term
| Can turn head from side to side when prone; lifts head momentarily from bed |
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| Hands predominantly closed |
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| Hand clenches on contract with rattle |
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Definition
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| Doll's eye reflex and dance reflex fading |
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Definition
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| Assumes flexed position with pelvis high but knees not under abdomen when prone (at birth, knees flexed under abdomen) |
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| Able to fixate on moving objects in range of 45 degrees when held at a distancce of 20-25cm (8-10 inches) |
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Definition
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| Makes small, throaty sounds |
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Definition
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| Assumes less flexed position when prone -- hips flat, legs extended, arms flexed, head to side |
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Definition
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Term
| Can maintain head in same plane as rest of body when held in ventral suspension |
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Definition
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| When infant is prone, can lift head almost 45 degrees off table |
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| Vocalizes, distinct from crying |
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| Visually searches to locate sound |
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| Demonstrates social smile in response to various stimuli |
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| Actively holds rattle but will not reach for it |
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| Clutches own hand; pulls at blankets and clothes |
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| Locates sound by turning head to side and looking in same direction |
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| Ceases crying when parent enters room |
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Definition
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| Moro, tonic neck, and rooting reflexes hand disappeared |
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Definition
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Term
| Has almost no head lag when pulled to sitting position |
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Definition
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| Balances head well in sitting position |
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Definition
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| Inspects and plays with hands; pulls clothing and blanket over face to play |
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Definition
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| Grasps objects with both hands |
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| Makes consonant sounds n, k, g, p, b |
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| Beginning signs of tooth eruption |
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Definition
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| No head lag when pulled to sitting position |
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Definition
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| Can turn over from abdomen to back |
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Definition
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| Able to grasp objects voluntarily |
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Definition
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Definition
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| Teething may begin with eruption of two lower central incisors |
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| When infant is prone, can lift chest and upper abdomen off table, bearing weight on hands |
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Definition
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| Sits in highchair with back straight |
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Definition
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| Rolls from back to abdomen |
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Definition
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| When infant is held in standing position, bears almost all of weight |
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| Drops one cube when another is given |
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| Babbling resembles one-syllable utterances ma, mu, da, di, hi |
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| Recognizes parents; begins to fear strangers |
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Definition
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| Briefly searches for a dropped object (object permanence beginning) |
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Definition
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| Holds arms out to be picked up |
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Definition
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| Sits, leaning forward on hands |
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Definition
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| Bears full weight on feet |
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Definition
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| Transfers objects from one hand to the other |
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Definition
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| Can fixate on very small objects |
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Definition
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| Produces vowel sounds and chained syllables -- baba, dada, kaka |
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Definition
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| Increasing fear of strangers; shows signs of fretfulness when parent disappears |
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| Sits steadily unsupported |
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| Creeps on hands and knees |
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| Pulls self to standing position and stands holding on to furniture |
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Definition
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| Uses thumb and index finger in crude pincer grasp |
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Definition
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| Says "dada" "mama" with meaning |
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| Develops object permanence |
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Definition
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| Plays interactive games such as pat-a-cake |
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Definition
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| Cruises or walks holding on to furniture or with both hands held |
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Definition
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| Plays games such as up-down, so big, or peek-a-boo |
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| Birth length increased by 50% |
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| May attempt to stand alone momentarily; may attempt first step alone |
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| Says three to five words besides "dada", "mama" |
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Definition
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| Searches for an object even if it has not been hidden, but searches only where object was last seen |
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| Binocular vision well developed |
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| Walks up stairs with one hand held |
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| Jumps in place with both feet |
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| Adult height approximately double height at 2 years |
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Definition
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| Goes up and down stairs alone with 2 feet on each step |
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| Kicks ball forward without overbalancing |
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| Builds tower of 6 or 7 cubes |
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| Dresses self in simple clothing |
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| Stands on one foot momentarily |
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| Begins to note gender differences; knows own gender |
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| Goes up stairs using alternate feet, may still come down using both feet on step |
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Definition
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| Builds tower of 9 to 10 cubes |
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Definition
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Definition
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| Length at birth is doubled |
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Definition
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| Skips and hops on one foot |
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Definition
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| Skips and hops on alternate feet |
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Definition
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| Knows right and left hands |
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| Takes bath without supervision; performs bedtime activities alone |
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| Likes table games, checkers, simple card games |
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Definition
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| Develops concept of time; reads clock |
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Definition
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Definition
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| Brushes and combs hair acceptably without help |
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Definition
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| Boys prefer playing with boys; girls prefer playing with girls |
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Definition
| Autonomy vs shame and doubt |
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Definition
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Definition
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Term
| Piaget birth to 18 months |
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Definition
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Term
| Takes a few steps on tiptoe |
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Definition
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Term
| Turns doorknob, unscrews lid |
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Definition
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Term
| Has almost no head lag when pulled to sitting position |
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Definition
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Term
| Throws ball over hand without falling |
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Definition
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