midterm exam Flashcards
Nature vs. Nurture
nature refers to our biological/genetic predispositions impact on human traits
nurture describes the influence of learning and other influences from ones environment
lifespan development covers the period from ____ to ____.
conception , death
chronological age
the period that has elapsed beginning with an individuals birth and extending to any given point in time.
biological age
a measurement of your age based on biomarkers- reflects a combination of your genetics, accumulated lifestyle factors, and other determinants
psychological age
how old one feels acts and behaves
the life span perspective
holds that patterns of change and transition occur throughout the working life
psychoanalytic theory of development
what do they believe most important in development
the idea that unconscious influences could have a powerful impact on human behavior
banduras observational learning
people cognitively represent behaviors of others
evolutionary theory of development
natural selection; evolutionary process by which individuals of species that are the best adapted are the ones that survive and reproduce
adaptive behavior; behavior that promotes an organisms survival in the natural habitat
observational research
must be systematic and controlled
how many pairs of chromosomes are found in each human cell?
23
genes
short segments of DNA , humans have approx. 20,500 genes
dominant-recessive genes principle
if one gene of a pair is dominant and one recessive, the dominant gene will be expressed in characeristic
sex linked genes
genes that are located in the sex specific chromosome (hemophilia)
chromosomal abnormalities (Down syndrome, sickle cell anemia) occurs primarily in \_\_\_\_
boys
chorionic ville sampling
sample of placenta , small risk of limb deformity
Amniocentesis
draw out of amniotic fluid
in vitro fertilization
egg and sperm are combined in a lab dish, fertilized eggs are transferred to a woman’s uterous
genotype vs. phenotype
geno: the persons genetic heritage actual genetic material
pheno: individuals gene expressed, observable and measurable
anoxia
the condition in which the fetus/newborn has an insufficient supply of oxygen due to the placenta and umbilical cord being compressed during uterine contractions. can cause brain damage.
egg and sperm fuse to create a single cell called a ____
zygote
prenatal development periods
germinal period, embryonic period, and fetal stage
teratogen
any agent that can cause a birth defector negatively alter cognitive ad behavioral outcomes
Apgar scale
assessed at 1 minute and again at 5 minutes after birth. a score of 0,1, or 2 is given for each; heart rate, body color, muscle tone, respiratory effort, and reflex irritability. 10 is highest score, 3 or below is emergency
anencephaly
head end of tube fails to close, leads to death
different types of birth
medicated: analgesia (pain reliever), anesthesia (epidural), oxytocin (stimulate contractions)
natural: relaxation techniques, lamaze
c-section: surgical removal of infant1
What % of babies are born in the US, are for in hospitals?
99%
def: Postpartum depression
% of women who develop it
type of mood disorder associated with childbirth: extreme sadness, anxiety, despair
75%
moro reflex
startle reflex, spreading out the arms and pulling them in
rooting reflex
newborn will turn to anything that strokes it cheeks , breastfeeding
gross motor skills
these skills involve large muscle activities, such as trunk control, sitting without support, moving ones arms, and walking and jumping