Psychology Chapter 8 Flashcards
midterm 2
developmental psychology
study of physical, cognitive, social, emotional, & psychological changes that take place from conception to death
prenatal development
the period from conception to birth first stage of development
Germinal stage
conception to implantation, a zygote is fertilized & becomes implanted
Embryonic stage
implanted until the 8th week, major organ systems are formed, genetic code cause sex organs to differentiate
Fetal stage
the 9th week until birth, maturation and gain in size
common teratogens
harmful substances to fetus, alcohol, cigarettes, cocaine, exposure to lead, exposure to radiation, herpes
week 9 of prenatal development
formation of the brain, differentiation of ovaries & testes
week 12 of prenatal development
circulatory system working, can smile and frown
week 16 of prenatal development
strong heartbeat, the mother begins to feel movement
week 20 of prenatal development
hair forms, hiccups begin
week 24 of prenatal development
visual & auditory senses, functional eyes open
week 28 of prenatal development
body fat is added, brain specialization
week 32 of prenatal development
periods of sleep and wakefulness
week 36 of prenatal development
the rapid increase in weight gains immunity from mother
week 38 of prenatal development
full term birth
Body growth in infancy
- infants double in weight at 5 months
- 2-3 kg/year
- 5-8 cm/ year
motor development in newborns
1) rooting
2) sucking
3) withdrawal
4) moro
5) grasping
6) balinski
week 16 motor development in infancy
turns from the stomach to side
week 20 motor development in infancy
turns from the stomach to back
week 28 motor development in infancy
turns from back to stomach, sits-up
week 36 motor development in infancy
crawls
week 42 motor development in infancy
creeps
week 44 motor development in infancy
kneels up
week 55 motor development in infancy
stands up