chapter 11 Flashcards
What is the germinal stage?
The period from conception to 2 weeks after conception when the sperm and egg combine to form a zygote. (ur a clump of cells)
What is the embryonic stage?
The period from ~2 weeks to 8 weeks when the embryo begins to actually form human like characteristics.
What is the fetal stage?
The period from ~8 weeks to birth, structures have formed and are in development (…ur a fetus)
What is myelination and when does it happen?
The formation of a fatty sheet around the axons of a neuron. Fetal stage
What is teratogen?
Any substance that passes from mother to unborn child and impairs development.
What is the cephalocaudal principle?
The tendency of motor skills to emerge in order of head to toes. (placing a baby on stomach they can lift head but not stand)
What is the proximodistal principle?
The tendency of motor skills to emerge in order of center to periphery. (they learn to shake they booty first the elbows and knees then hands and feet)
What is meant by scale error, what does it reflect?
Scale error is when you give a baby hot wheels and they try to ride it like a real car. The parts of the brain responsible for identification vs movement control are not yet coordinated.
What is cognitive development?
The process where kids and infants begin to think and understand.
What were the 4 stages of Piaget’s theory?
Sensorimotor (0-2), pre-operational (2-6), concrete operational (6-11), formal operational (11+)
Sensorimotor stage
Using beginning sensory and motor skills to learn about the world
Pre-operational stage
Motor skills and a basic understanding of their own mind
Concrete operational stage
Can begin to think logically about objects and events
Formal operational stage
Can think abstractly about many things
What is assimilation?
Process of applying a schema (theory) to a stimuli