What’s maturation?
Biological growth processes that enable orderly changes in
behavior, relatively uninfluenced by experience
ex) A child’s brain matures (biological maturation) allowing them to think logically, but learning to drive a car or manage finances (adult-like behavior) requires experience and education.
How does our brain start off?
1) We are born with more brain cells tha we will need
2) The nervous system is born immature
What is the pruning process
shuts down unused links and
strengthens others in the brain
Genes guide….
motor development
What is motor development?
Muscles and nervous system mature – skills emerge
What is Infantile amnesia?
rare to hold conscious memories
before 4 years old
As the infant’s brain develops, some neural pathways will decay if not used. This use-it-or-lose-it process is known as
a) motor development.
b) pruning.
c) heredity.
d) amnesia.
e) maturation.
b) pruning.
Maturation explains why?
a) we stand before we walk.
b) we like familiar people.
c) we learn the language accents of our peers.
d) infants become attracted to scents associated with their mother’s nursing.
e) the brain shuts down unused connections.
a) we stand before we walk.
Which of the following is true of the early formation of brain cells?
a) They form at a constant rate throughout the prenatal period.
b) They begin forming slowly, and then the rate increases throughout prenatal development.
c) They form slowly during the prenatal period, and then the rate increases after birth.
d) They form at a constantly increasing rate prenatally and in early childhood.
e) They are overproduced early in the prenatal period, and then the rate decreases and stabilizes.
e) They are overproduced early in the prenatal period, and then the rate decreases and stabilizes.
Infantile amnesia best explains why
a) Justina, age 25, cannot remember hearing Japanese when she was 10.
b) Ella, age 10, has no memories of her third birthday party.
c) Karla, age 3, can’t understand why her new brother is crying.
d) Becka, age 2, is unable to remember where she left her doll.
e) Hannah, age 6, can’t remember the gymnastics routine she just learned.
b) Ella, age 10, has no memories of her third birthday party.