Class 1 Flashcards
zygote
fertilized egg that contains chromosomes from both a sperm and an egg
germinal stage
2 week period of prenatal development that begins at conception
fertilization, cell division/differentiation, implantation
embryonic stage
period of prenatal development that lasts from the 2nd week until about the 8th week
cephalocaudal development
fetal stage
period of prenatal development that lasts from the 9th week until birth
milestones
myelination
formation of fatty sheath around axons of a neuron
teratogens
substances that pass from mother to unborn child and impair development
fetal alcohol syndrome (FAS)
developmental disorder that stems from heavy alcohol use by the mother during pregnancy
Infancy
stage that begins at birth and ends at 18-24 months
Motor Development
emergence of the ability to execute physical action
motor reflexes
specific motor responses that are triggered by specific patterns of sensory stimulation
cephalocaudal rule
top to bottom rule that describes the tendency for motor skills to emerge in sequence from the head to the feet
proximodistal rule
inside to outside rule that describes the tendency for motor skills to emerge in sequence from the center to the periphery
Nativism
belief that abilities are innate and do not depend on experience; (genetic, biology)
Innate
determined by factors present at birth
empiricism
belief that abilities are acquired via experience
