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Chapter 6

Developmental Psych Chapter 6

3 Pages
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Department
Psychology
Course Code
PSYC 2740
Professor
Stephen Lewis

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Chap 6 summary Psyc *2450*
*story on Helen Keller
3-4m = teething (1yr=6-8 teeth, 2.5 yr. = appx. 20 teeth)
6m = 20/20, sit without support
15m= build tower of blocks
Growth and Nutrition
Faster period of growth (especially first few months)
3-4m = teething (1yr=6-8 teeth, 2.5 yr. = appx 20 teeth)
Physical growth follows cephocaudal (head to tail) and proximodal (inner to outer)
principle
Nourishment
Breastfeeding
illnesses prevented or minimized by breastfeeding(baby) = diarrhea,
respiratory infections, oititis media (middle ear infection), staphylococcal,
bacteria and UTIs, and can reduce postneonatal death (28 d 1y)
-benefits for mom = less postpartum bleeding, quicker physical recovery,
earlier return to previous weight, less risk of breast cancer n ovarian cancer,
less risk of osteoporosis n hip fractures
- can be dangerous if mother has AIDS(can be transmitted thru milk), any
other infectious illnesses, taking drugs or alcohol
The Brain
CNS central nervous system brain and spinal cord
Brain growth spurts periods of rapid growth and development
PET positron emission tomography
Lateralization tendency of each of the brains hemispheres to have specialized
functions (left hem/right)
Left hemisphere language and logical thinking
Right hemisphere visual and spatial functions (map reading and drawing)
Brain is composed of neurons and glial cells
Neurons nerve cells (send receive info)
Glial cells protect and support
myelination processes of coating neurons with a fatty substances (myelin) that
enables faster communication between cells

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Description
Chap 6 summary Psyc *2450* *story on Helen Keller 3-4m = teething (1yr=6-8 teeth, 2.5 yr. = appx. 20 teeth) 6m = 20/20, sit without support 15m= build tower of blocks Growth and Nutrition Faster period of growth (especially first few months) 3-4m = teething (1yr=6-8 teeth, 2.5 yr. = appx 20 teeth) Physical growth follows cephocaudal (head to tail) and proximodal (inner to outer) principle Nourishment Breastfeeding – illnesses prevented or minimized by breastfeeding(baby) = diarrhea, respiratory infections, oititis media (middle ear infection), staphylococcal, bacteria and UTIs, and can reduce postneonatal death (28 d – 1y) – -benefits for mom = less postpartum bleeding, quicker physical recovery, earlier return to previous weight, less risk of breast cancer n ovarian cancer, less risk of osteoporosis n hip fractures - can be dangerous if mother has AIDS(can be transmitted thru milk), any other infectious illnesses, taking drugs or alcohol The Brain CNS – central nervous system – brain and spinal cord Brain growth spurts – periods of rapid growth and development PET – positron emission tomography Lateralization – tendency of each of the brains hemispheres to have specialized functions (left hem/right) Left hemisphere – language and logical thinking Right hemisphere – visual and spatial functions (map reading and drawing) Brain is composed of neurons and glial cells Neurons – nerve cells (send receive info) Glial cells – protect and support myelination – processes of coating neurons with a fatty substances (myelin) that enables faster communication between cells reflex behavior – automatic, involuntary, innate responses to stimulation *once nerves are myelinated, shift to volu
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