Development Flashcards
Menarche
first menstrual cycle
does not signify fertility
about 13
Grasp Reflex
want to see if they grab your finger when you put in hand
Rooting Reflex
when you touch a baby’s cheek, they will open their mouths and “root”
Teratogens
alcohol drugs chemicals (DDT, PCBs (plastic), lead) radiation nutrition
Fetal Alcohol Syndrome
small, misproportioned head and lifelong brain abnormalities
leading cause of intellectual disabilities
Zygote
first two weeks fertilized eggs less than half survive beyond two weeks cells begin to differentiate after one week attach to uterine wall
Embryo
two to eight weeks
body organs begin to form and function
heart starts beating and liver makes red blood cells
ones with Y chromosomes secrete testosterone
embryo— e for 8
bry—> be —-> beat —-> heart beat
Fetus
after 8 weeks to birth looks humanish internal organs formed enough to function responsive to sound hear mother's voice
Age of viability
when fetus can exist on own
Primary sex characteristics
directly involved with reproduction/sex organs
Secondary sex characteristics
nonreproductive traits of males and females
neural pruning
get rid of things that aren’t used in the brain
PKU
can’t break down phenylalanine, which can cause a build up
early recognition and a certain diet can prevent health problems
Tay Sachs
deterioration of nerve cells that usually results in death by age four
Sickle Cell
crescent shaped blood cells
can block blood flow
Down Syndrome
trisomy 21
extra chromosome 21
distinctive facial features and intellectual disability
walking
in about a year
sit up by self
5 months
first ejaculation
about 13
may not have sufficient live sperm
Sucking reflex
see if they try to suck when you touch lip
Moro reflex
m for monster go up behind baby and scare them
make a loud noise to see that it cries
depth perception
visual cliff
don’t know when it develops, can’t test until 8 months
sight in newborns
can see 8-12 inches away (mom distance)
prefer to look at highly contrasting colors and complex patterns
newborn senses
all work except eyes are not fully developed and complex patterns
myelination
develop myelin sheath
important milestone
Physical Peaks
20s and 30s
Adult abilities
changes happen gradually decrease in abilities
big decreases in 50s 60s and 70s
slower reaction times
senses less keen
ability to put hands together `
2-3 months
reaching for stuff
3 months
transfer cubes from hand to hand
6 months
banging cubes together
8 months
roll over
3 months
crawl
8, 9, 10, 11 months
holding things
9 months - 1 year
nature vs. nurture
aka maturation vs. learning/socialization
Maturation
relatively permanent changes based on bio
process that change as we age
learning socialization
relatively permanent changes in thought and behavior due to environment
Continuity
development happens gradually over time
discontinuity
development happens in stages
Erikson
social development
Piaget
cognitive development
Research methods for studying development
longitudinal
cross sectional
naturalistic observation
twin studies
Sensorimotor stage
Birth to around two years
Learn about environment and explore
Object permanence
Representational thought
Object permanence
Understanding that a ball that rolls out of sight into a closet still exists, even though unseen
know that objects are not gone
out of sight does not = out of mind
about 9 months
The preoperational stage
Two to six ish representing things with words and images but lacking logical reasoning pretend play- animistic thinking --imaginary friends Egocentrism- took a little kid 3 mountains can you see how can't put selves in other's shoes clay model test language development sense of self -Rouge test lacks principal of conservation -water moving from glass to glass
Piaget
Stages of Development
Changed the way people thought about kids
kids are NOT mini adults
Neo-Piagetians
like/<3 Piaget, and added to his ideas
One is Dialectical thinking
Dialectical Thinking
Postformal thinking
evolving views based on Hegel’s idea of a dialectic
thesis + antithesis —> synthesis
1 idea or Prevalent attitude and new info that leads to different/new thinking—> new idea/attitude (which then becomes the accepted)
ex. opinions about political/social questions are good examples
Lev Vygotsky
Russian who died young from TB
theories rediscovered in the 70s and 80s and helped influence edu
nuture-y