Unit 6 Flashcards
(80 cards)
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 an 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 women’s heavy drinking
habituation
decreasing responsiveness with repeated stimulation; as infants gain familiarity with repeated exposure to a stimulus, their interest wanes and they look away sooner
maturation
biological growth processes that enable orderly changes in behavior, relatively uninfluenced by experience
menopause
the time of natural cessation of menstruation; also refers to the biological changes a women experiences as her ability to reproduce declines
cross-sectional study
research that compares people of different ages at the same point in time
longitudinal study
research that follows and retests the same people over time
neurocognitive disorders(NCDs)
acquired(not lifelong) disorders marked by cognitive deficits; often related to Alzheimer’s disease, brain injury or disease, or substance abuse
Alzheimer’s disease
a neurocognitive disorder marked by neural plaques, often with onset after age 80, and entailing a progressive decline in memory and other cognitive abilities
social clock
the culturally preferred timing of social events such as marriage, parenthood, and retirement
X chromosome
the sex chromosome found in both males and females
Y chromosome
the sex chromosome typically found only in males
testosterone
the most important male sex hormone. Both males and females have it, but the additional testosterone in males stimulates the growth of the male sex organs during the fetal period, and the development of the male sex characteristics during puberty
primary sex characteristics
the body structures that make sexual reproduction possible
secondary sex characteristics
nonreproductive sexual traits, such as female breasts and hips, male voice quality, and body hair
spermarche
the first ejaculation
menarche
the first menstrual period
intersex
a condition present at birth due to unusual combinations of male and female chromosomes, hormones, and anatomy; possessing biological sexual characteristics of both sexes
AIDS(acquired immune deficiency syndrome)
a life-threatening, sexually transmitted infection caused by HIV(human immunodeficiency virus). AIDS depletes the immune system, leaving the person vulnerable to infections
sexual orientation
our enduring sexual attraction, usually towards the members of our our sex or the other sex; variations include attraction toward both sexes