DEVELOPMENTAL PSYCHOLOGYjmbpsych.weebly.com/uploads/4/7/3/7/47374127/powerpoint... · 2019. 9....
Transcript of DEVELOPMENTAL PSYCHOLOGYjmbpsych.weebly.com/uploads/4/7/3/7/47374127/powerpoint... · 2019. 9....
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Developmental Psychology
The study of YOU from womb to tomb.We are going to study how we change
physically, socially, cognitively and morally over our lifetimes.
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Nature Versus Nurture
While going through this unit always been in the back of your head….
Are you who you are because of:
►The way you were born- Nature.
►The way you were raised- Nurture.
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Research MethodsCross-Sectional
Studies
► Participants of different ages studied at the same time.
Longitudinal Studies
► One group of people studied over a period of time.
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Prenatal Development
►Conception begins with the drop of an egg and the release of about 200 million sperm.
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Once the sperm penetrates the egg- we have a fertilized egg called……..
The ZygoteThe first stage of prenatal development. Lasts about two weeks and consists of
rapid cell division.
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Zygotes►About 10 days after
conception, the zygote will attach itself to the uterine wall.
►The outer part of the zygote becomes the placenta (which filters nutrients).
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7
Prenatal Development
At about 14 days the zygote turns into an embryo (a and b).
This stage lasts about 6 weeks
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7 wks pc7 WEEKS
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The Fetus Stage
►At 9 weeks, an embryo turns into a fetus
►By about the 6th month, the stomach and other organs have formed enough to survive outside of mother.
►At this time the baby can hear (and recognize) sounds and respond to light.
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Teratogens are environmental substances that can cause birth defects in the developing fetus.
BIRTH DEFECTS
• Maternal alcohol use leads to fetal alcohol syndrome (facial defects, low IQ, neurobehavioral defects)
• Nicotine exposure leads to premature births, low birth weights, fetal deaths, cognitive problems, behavioral abnormalities
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Teratogens
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Fetal Alcohol Syndrome
► Physical and cognitive abnormalities in children caused by a pregnant women’s heavy drinking.
►Severe cases symptoms include facial disproportions.
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What are the CHARACTERISTICS of FETAL ALCOHOL SYNDROME (FAS)?
Leading cause of mental retardation, or some degree of mental disability
Short attention span Hyperactivity Social and behavior problems Abnormally small at birth Small head circumference Small, widely spaced eyes Flat mid-face Thin upper lip and
underdeveloped jaw
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FETAL ALCOHOL EFFECT (FAE)
►Less severe set of FAS symptoms
►Mothers who drink moderately or lightly while pregnant may have a child with Fetal Alcohol Effect (FAE)
►The brain of babies with FAE may have varying degrees of damage.