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Developmental Psychology (PSY 241)
Beginnings, The Start of Life, Birth & The Newborn Infant (Unit 1 Test)
40
Psychology
Undergraduate 2
05/22/2012

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Term
Teratogens
Definition
Factor that can/produces a birth defect. Can be chemical, biological or physical.
Term
Quickening
Definition
Usually happens around 4th month/16th week of pregnancy. When mother 1st feels baby move (butterflies).
Term
Traditional Approach
Definition
Looks at where development started, typically focuses on infancy and adolescence.
Term
Life-Span Approach
Definition
Entire lifespan important.
Term
Chromosomes
Definition
46 in each cell, 23 pairs. Rod shaped portions of DNA. Only 23 in the sex cells.
Term
Meiosis
Definition
Process which forms gametes (sex cells - sperm & ova). Remember - "Made ME".
Term
Mitosis
Definition
Process of cell replication. Rememeber - "Made MY TOES"
Term
Germinal Stage
Definition
Fertilization through 2 weeks. Shortest phase. Zygote beings to divide & grow in complexity. Fertilized egg (called Blastocyst)travels to and implants in uterus.
Term
Embryonic Stage
Definition
2 weeks through 8 weeks. Major organs and basic anatomy develop. Every part of body formed. Head & brain undergo rapid development.
Term
Fetal Stage
Definition
8 weeks through birth. Formally starts when major organs have differentiated.
Term
Organogenisis
Definition
Occurs during embryonic stage. All organs being formed, 95% of body parts started, most important part of embryonic stage.
Term
Ecoderm
Definition
Outer layer of embryo. Will form skin, hair, teeth, sense organs, nervous system (brain/spinal cord)
Term
Mesoderm
Definition
Middle layer of embryo. Will form muscles, circulatory, excratory & reproductive systems.
Term
Endoderm
Definition
Inner layer of embryo. Will form digestive & respiratory system, liver & pancreas.
Term
Amnion
Definition
Sac surrounding embryo, filled with amniotic fluid. Fluid is shock absorber & temperature regular.
Term
Umbilical Cord
Definition
Connects embryo to placenta, provides nurishment & oxygen from mother to fetus and removes waster products from fetus. 2 arteries and 1 vein.
Term
Male Chromosome
Definition
XY
Term
Female Chromosome
Definition
XX
Term
Cephalocaudal
Definition
Growth from head down
Term
Proximodistal
Definition
Growth from center out
Term
Teenage Mothers
Definition
Least likely to receive early prenatal care, more likely to have premature deliveries, infant mortality rate 2xs that than mothers in their 20s.
Term
Sickle-Cell Anemia
Definition
Genetic abnormality. Red blood cells become hook shaped and cause blood clots. Cells cannot carry oxygen, poor appetite, swollen stomach, stunted growth, yellowish eyes (jaundice)
Term
Phenylketonuria (PKU)
Definition
Genetic abnormality due to recessive gene. Unable to process phenylalinine. Blood test done at birth. Can cause M.R. Treatment (TX) = strict diet.
Term
Precipitate Delivery
Definition
Delivery happens too fast, under 3 hours. Can cause complications.
Term
Breech Delivery
Definition
Buttocks or buttocks & feet first, about 1 in 25 births, umbilical cord likely to be compressed.
Term
Oxytocin
Definition
Released by rise in corticotrophin releasing hormone. Causes contractions to begin.
Term
Hispanic/Latina Mothers & Prental Care
Definition
Least likely to obtain prenatal care.
Latinas earlier care is associated with longer American residence.
Latinas prefer to have their mothers involved with their prenatal care.
Term
Identical Twins
Definition
Monozygotic = one zygote that split. Genetically identical.
Term
Fraternal Twins
Definition
Dizygotic = 2 (or more) zygotes. No more genetically identical than non twin siblings.
Term
Chronological Age
Definition
Least important. How old you are in actual years, a way to talk about everyone.
Term
Biological Age
Definition
Most important for longevity. How old is the body. Smoker vs non smoker, dwarfism, progeria, etc...
Term
Psychological Age
Definition
Age you are in comparison to friends/peers same age as you. Acting 18 in 30s, dressing younger than age, etc...
Term
Social Age
Definition
What social role are you doing. Someone doing something that is out of timeframe, i.e - young widow, 15 year old mother, etc...
Term
Paul Baltes Lifespan Perspective
Definition
Each stage unique, none more important than others. Lifelong, Multidimensional, Multidirectional, Plastic (modifiable), Contextual, Multidisciplinary
Term
Normative Age-Graded Influence
Definition
Biological & environmental influences similar for individuals in a particular age group regardless or when/where they are raised (ex - puberty, menopause, entry into formal education, etc...)
Term
Normative History-Graded Influences
Definition
Biological & enrivonmental influences associated with a particular historic moment (i.e - AIDS epidemic, Great Depression). Affects cohorts.
Term
Non-normative influences
Definition
Just affects you (or one individual) "not normal" for everyone. Ex - Your mother dies when you are young.
Term
Genotypes
Definition
Underlying combination of genetic material present that is outwardly invisible. Received at point of conception - genetic possibilities.
Term
Phenotype
Definition
Observable trait - what you portray.
Term
APGAR Score
Definition
Standard measurement system for newborns. 0 - 10 score - 2 possible points per item. Taken at 1 and 5 minutes after birth. Appearance, Pulse, Grimace (reflexes), Activity (muscle tone), Respiration
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