ch. 5 Flashcards
when you run finger along the bottom of foot and toes span out, disapperance around 8 - 12 months, unknown purpose
babinski
when the head dips below body while horrizontal –> embracing motion, disappearance around 6 months, purpose infant clings to its mother during fear, reaching for a source of comfort
moro reflex
turn the baby’s head to one side while the infant is laying awake on their back –> fencing position, disappears around 4 months, purpose is to prepare infant for voluntary reaching
tonic neck
grow spinal cord out to fingers
proximodistal trend
head-to-toe-growth
cephalocaudal trend
height and weight are not directly proportioned to each other, sudden percentile ranking change, low extremes
signs of early growth issues
genotype and environmental impacts affect the trait, examples are height and weight
multifactorial traits
what percentage of body weight is lost within the first 3 days after birth
7-10%
weight an ounce a day, double in 4 months, triples in a year, height 10 inches a year
growth norms
first breast milk, nutritional dense, high in antibodies –> builds the immune system
colostrum
breast knows and responds to what they baby needs, provides antibodies in response to the infant’s needs, an infants digestive system can break it down, aids in proper development
why breastfeeding is good
a sudden death usually sleep of a healthy baby, low oxygen levels and high carbon dioxide levels may be the top cause, sudden infant death syndrome
SIDS
do whatever they can to protect the brain at all costs before anything else, based in nature, malnourishment
head sparing
how many neurons do we have at birth
86 billion
transmits electrical impulses –> to dendrites of other celss
axon
receive messages from axons of other cells
dendrites
chemical messengers
neurotransmitters
gap between the dendrites of the cells
synaptic cleft
control center of the cell –> sends messages
nucleus
different lobes in the brain
occipital, temporal, parietal, frontal
sensory and spatial understanding
parietal lobe
collection of brain areas, emotions and memory
limbic system