Life Cycle Development - Week Two Notes
Life Cycle Development - Week Two Notes PSYC 2310
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This 3 page Class Notes was uploaded by Cristina Saiz on Tuesday September 8, 2015. The Class Notes belongs to PSYC 2310 at University of Texas at El Paso taught by Dr. Lawrence Cohn in Summer 2015. Since its upload, it has received 83 views. For similar materials see Life Cycle Developmemt in Psychlogy at University of Texas at El Paso.
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Date Created: 09/08/15
Week Two Prenatal Development development before birth It used to be believed that the placenta protected the fetus from all abnormalities but we learn otherwise through research and reading chapter 2 Prenatal Development has 3 stages Germinal Stage weeks 1 amp 2 Embryonic Stage weeks 3 8 Fetal Stage weeks 9 birth Germinal Stage cell division organism travels down fallopian tube impants itself in the uterus Embryonic Stage Cyindrica body forms becomesbrain amp spinal cord Heart develops starts beating at 4 weeks Eyes ears nose mouth start to form end of week 4 Digestive system begins to form stomach ampiver Bronchia buds forming which later become the lungs Ears develop by week 8 Fetal Stage Males amp females can be distinguished externally by 12 weeks Two halves of brain become visible at 16 weeks Joints appear Eyes open amp respond to light end of 7 months Brain becomes more convoluted 9th month convoluted meaning the folds and wrinkles of the brain this happens because the brain grows so much but there s not enough space so it folds and wrinkles into itself Role of heartbeat in motherchild relations Language of emotions 1 love you from the bottom of my heart 2My heart belongs to you 3She is close to her mother s heart Question to ponder Why refer to the heart when the important structure that feels these emotions is the brain Some Observations Mother Rhesus monkey at Central Park Zoo holding newborn close to heart 42 additional observations 40 times held on left side 2 time held on the right side 466 paintings in museum depicting mothers holding infants 80 of which depicted infants being held on the left side of the mother Mothers at a wellbaby clinic tended to hold babies on left side yet 438 shoppers holding packages the size of babies held those packages on the other side More observationsStudy 255 right handed moms held their newborn babies on the left side 83 32 left handed moms held their newborn babies on the left side 78 The right handed mothers stated it kept their dominant right hand free if they needed to use it while left handed mothers states they were able to hold their baby better on that side since it was their dominant side Prenatal Learning Is It Possible Study1 Lee Salk 1973 Groupl Group2 Group3 Listened to heartbeat Listened to heartbeat Listened to everyday sounds 72 bpm 120bpm n102 Group was eliminated because it n112 was difficult to get the babies calm amp quiet enough so they could eat Results Results Results 70 experienced weight gain 33 experienced weight gain 38 recorded crying time 60 recorded crying time Hypothesis relaxed with steady heartbeat sounds StudyZ DeCasper The Cat in the Hat study they took women who were 7 12 months pregnant and gave them the task of reading The Cat in the Hat twice a day for 3 minutes for their remaining 6 weeks of pregnancy when the women gave birth they took their two day old babies and placed headphones over their ears and put a pacifier in their mouths The pacifier had a pressure transducer to emit an electric signal The researchers had a recording of the mother s voice reading the first 3 minutes of the cat in the hat to the baby and they also had another woman s recorded voice read the cat in the hat to the baby as well when the recording was their mother s voice the babies sucked faster but if it was the other woman s voice the sucking slowed researchers found that the babies sucked on the pacifier at a rate fast enough to bring out their mother s voice Next class TERATOGENS environmental sources of birth defects thalidomide alcohol drugs cigarettes
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