Psych Chapter 8 Flashcards
developmental psychology
a branch of psychology that studies physical, cognitive, and social change throughout the life span.
zygote
the fertilized egg; it enters a 2-week period of rapid cell division and develops into an embryo.
embryo
the developing human organism from about 2 weeks after fertilization through the second month.
fetus
the developing human organism from 9 weeks after conception to birth.
teratogens
agents, such as chemicals and viruses, that can reach the embryo or fetus during prenatal development and cause harm.
fetal alcohol syndrome (FAS)
physical and cognitive abnormalities in children caused by a pregnant woman’s heavy drinking. In severe cases, symptoms include noticeable facial misproportions.
rooting reflex
a baby’s tendency, when touched on the cheek, to turn toward the touch, open the mouth, and search for the nipple.
habituation
decreasing responsiveness with repeated stimulation. As infants gain familiarity with repeated exposure to a visual stimulus, their interest wanes and they look away sooner.