chapter 3 flash cards
Psychology 2301 with Poindexter at Texas Tech University
About this deck
By: Chasten Fregia
Textbook:
Child Development: An Introduction
Created: 2012-02-13
Size: 36 flashcards
Views: 16
Textbook:
Child Development: An IntroductionCreated: 2012-02-13
Size: 36 flashcards
Views: 16
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prenatal development
38-40 wks (9months) fertilization to birth
3 periods- germinal, embryonic, and fetal
3 periods- germinal, embryonic, and fetal
Germinal Period
up til 2 wks after conception
creation of zygote and zygote attachment to uterine wall
rapid division of zygote (mitosis)
blastocyst- inner mass cells eventually dev to embryo
trophoblast outer layer provides support and nutrition
creation of zygote and zygote attachment to uterine wall
rapid division of zygote (mitosis)
blastocyst- inner mass cells eventually dev to embryo
trophoblast outer layer provides support and nutrition
Embryonic Period
2-8 wks after conception
cell differentiation (specialization) and organs form
blastocyst attaches to uterine wall
3 embryo layers- endoderm, mesoderm, ectoderm
cell differentiation (specialization) and organs form
blastocyst attaches to uterine wall
3 embryo layers- endoderm, mesoderm, ectoderm
endoderm
dev. the digestive and respiratory systems; internal parts
mesoderm
circulatory system bones muscles and excretory system and reproductive system surround internal parts
ectoderm
nervous system and brain sensory receptors, skin parts hair nails ; surface parts
amnion
bag containing clear fluid where the embryo floats
provides an environ. that is temperature and humidity controlled and shock proof
provides an environ. that is temperature and humidity controlled and shock proof
placenta
consists of disk shaped group of tissues in which small blood vessels from the mother and offspring intertwine but do not join providing the baby with oxygen and food
umbilical cord
contains two arteries and one vein and connects the baby to the placenta
organogenesis
occurs in first two months organs form
21 days after conception
spinal cord forms
eyes appear
eyes appear
24 days after conception
cells for heart differentiate
4th week after conception
arms and legs
four heart chambers begin
blood vessels
four heart chambers begin
blood vessels
5-8 weeks after conception
face starts o form; intestinal tract
fetal period
last 7 months
3 months after conception
3 inches long
1 ounce
moving body parts
facial features distinguishable
sex can be identified
1 ounce
moving body parts
facial features distinguishable
sex can be identified
4 months after conception
6 inches long
4-7 ounces
4-7 ounces
5 months after conception
12 inches long
1 pound
1 pound
6 months after conception
14 inches 1.5 to 2 pounds
eyes and eyelids complete
hair
grasping reflex
eyes and eyelids complete
hair
grasping reflex
7 to 9 months
viable
fatty tissue
organ systems finish developing
weight and length growth
fatty tissue
organ systems finish developing
weight and length growth
neurons (nerve cells)
handle information processing
during prenatal periods neurons begin moving and forming connections
basic architecture is developed within first two trimesters
las
during prenatal periods neurons begin moving and forming connections
basic architecture is developed within first two trimesters
las
last trimester (after 6 months)
connectivity and functioning of neurons occurs
execute neural connections (grasping effect begins after 6 months)
execute neural connections (grasping effect begins after 6 months)
neural tube
beginnings of the nervous system closes at the top and bottom after 24 days
Anencephaly
highest regions of the brain don't develop and fetus dies in the womb during child birth or immediately after
Spina Bifida
varying degrees of paralysis in lower limbs and vertebra does not close
wheel chair or crutches
mother takes vitamin B and folic acid during pregnancy
wheel chair or crutches
mother takes vitamin B and folic acid during pregnancy
neurogenesis
massive proliferation of neurons
Teratogen
anything/substance input into body that can negatively impact the fetus
nonprescription
antibiotics
antidepressants
hormones
heart defects and problems
antidepressants
hormones
heart defects and problems
Caffeine
more than 200mg/day leads to increase in miscarriages
dont drink or drink sparingly
dont drink or drink sparingly
Fetal Alcohol Syndrome
associated with drinking during pregnancy
small head, decreased weight, height, poor coordination, deficits in attention, decreased memory span decreased ability to form or maintain memories, perception issues, abnormalities, deficits in frontal loben
small head, decreased weight, height, poor coordination, deficits in attention, decreased memory span decreased ability to form or maintain memories, perception issues, abnormalities, deficits in frontal loben
nicotine
negatively affect prenatal and post natal dev.
low birth rates
fetal neonatal death
respiratory problems
sudden infant death
cardiovascular problems c
low birth rates
fetal neonatal death
respiratory problems
sudden infant death
cardiovascular problems c
Cocaine
neurological.medical.cognitive deficits
reduced birth weight, length, and head circumference
trouble regulating mood
reduced birth weight, length, and head circumference
trouble regulating mood
methamphetamine
increased rate infant mortality, low birth weight, dev. and behavioral problems ma
marijuana
lower intelligence; linked to later use as teen
heroin
tremors, irritability, impaired motor control p
postpartum depression
period after child birth 6 weeks or until mother has adjusted
cycles of energy and depression
when placenta delivered estrogen and progesterone drop drastically
exercise has been found to help
cycles of energy and depression
when placenta delivered estrogen and progesterone drop drastically
exercise has been found to help
About this deck
By: Chasten Fregia
Textbook: Child Development: An Introduction
Created: 2012-02-13
Size: 36 flashcards
Views: 16
Textbook:
Child Development: An IntroductionCreated: 2012-02-13
Size: 36 flashcards
Views: 16
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have used this website for three exams, and I see a huge difference in my test results.”
Naj
Naj