Chapter 5 Flashcards
Developmental Psychology
study of physical cognitive and social change through lifespan
conception
combining of genetic material from sperm and egg
zygote
conception- week2, implantation occurs cells differentiate (specialize)
embryo
week 3-8 all major internal and external structures form
structures outside embryo- amniotic sac, placenta
umbilical chord- connection
Fetus
week 9-38, organs increase in size and weight
changes in external appearance, responsive to sound
age of viability
23 weeks
teratogens
environmental agents that can reach embryo/ fetus and cause harm
caffein- low birth weight, premature birth
smoking- impairs placenta, decrease in weight
alcohol- birth defects, fetal alcohol syndrom
rooting
reflex in which the newborn searches for nipple
palmar
reflex in which the newborn grasps can support own weight
sucking
reflex involving tonguing, swallowing, and breathing
startle
reflexes including fright etc…
preferences
a newborn prefers certain faces like mom and dad especially moms face and smell
novelty
a newborn prefers to look at novel stimuli
non-nutritive sucking
newborns will modify sucking to hear familiar sounds
habituation
decrease in responding with repeated stimulation
dishabituation
recovery of a response after changing the stimulus
cognition
all mental activities associated with thinking knowing remembering and communicating
schema
mental model that organizes and interprets info
assimilation
interpreting new experiences based on existing schemas
accomodation
adjust schema to include new info
Piaget’s Stages
1 sensorimotor
2 preoperational
3 concrete operational
4 formal operational period
sensori motor
explore environment through senses
object permanence
things exist even when not percieved