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24 Cards in this Set
- Front
- Back
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Average weight at Birth |
7 pounds |
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Average length= |
20 inches |
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Infants triple their weight by= |
1st birthday |
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Height |
By 24 months weight is about 28 lbs.,height is about 32"-36" *girls are slighty shorter and lighter than boys. |
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Brain development |
*brain at birth is 25 percent of the adult brain. *by age 2, the brain is almost 75 percent of the adult brain. *synaptic connections(dendrite growth) *more connections formed than needed. *brain circumference increases from 14 to 19 inches. *myelination |
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Sleep patterns of infants |
*sleep about 15-17 hrs a day. In 1 to 3 hr segments. *Have a high proportion of REM sleep. *by 3-4 months slow wave deep sleep increases. *sleep declines to about 12 hrs a day by age 2. *more americans are Co-sleeping. *first 2 months the norm for total sleep is 14 1/4 hrs. *next 3 months = 13 1/4 hrs *next 12 months =12 3/4 hrs. |
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Sensory/Motor development of infants *newborn sense of hearing |
*can hear a wide variety of sounds at birth *most sensitive to voices |
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Newborn sense of vision |
* least developed of Senses at Birth *Newborns focus between 4&30 inches away *experience&maturation of visual cotrex improve recognition and visual scanning. |
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First emotional expressions to emerge at birth: |
Crying and contentment |
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Smell & taste |
* smell and taste function at Birth and rapidly adapt to the social world. * like sweet taste and certain smells. * can identify mother by smell from birth. |
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Newborn sense of touch |
* sense of touch is acute in infants * pain uncertain |
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Sensation |
The response of a sensory system( eyes, ears, skin, tongue, nose.) when it detects a stimulus |
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Perception |
The mental processing of sensory information when the brain interprets a sensation. |
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Motor skills (movement of muscles) |
* the Learned abilities to move some part of the body. * first movements are not skills but reflexes , involuntary response to a stimulus. |
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Gross motor skills |
Large body movements. Like walking and jumping. |
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Fine motor skills |
Small body movements. * using the hands and fingers Ex. Drawing, picking up a coin. |
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Surviving in good health |
*Immunization successes * prior to school age many American children lack full set. |
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Sudden infant death syndrome(SIDs) |
*no apparent cause of death. *low birth, exposure to cigarette smoke, bed sharing. |
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Good nutrition starts with |
Breast milk |
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breastfed infants are less likely to develop |
Asthma, allergies, and ear infections, upset stomach. |
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The first two years:Cognitive development. |
Cognition=Study of mental processes. *includes language, learning, memory, intelligence. |
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Piagets sensorimotor stage |
*Piaget described this stage from birth to 2 yrs as a period of rapid cognitive growth. *building schemas through motor skills, senses exploration. |
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In an infant sadness appears as withdrawal and is accompanied by an increase in the body's production of cortisol a a stress hormone. |
Stress |
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Surviving in good health |
As the infant gets older the composition of breast-milk adjust to the babys changing age. |
