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CSD 216: Week 8 Notes

by: Hailey Hansen

CSD 216: Week 8 Notes CSD 216

Marketplace > University of Mississippi > CSD 216 > CSD 216 Week 8 Notes
Hailey Hansen

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About this Document

This week we discussed infancy, typical pregnancies, prematurity, and joint attention.
Normal Development of Communication
Lisa Fratesi Ivy
Class Notes
communication, Infancy, Pregnancy, prematurity, Joint, attention, hearing, Vision
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This 4 page Class Notes was uploaded by Hailey Hansen on Friday October 14, 2016. The Class Notes belongs to CSD 216 at University of Mississippi taught by Lisa Fratesi Ivy in Fall 2016. Since its upload, it has received 4 views.

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Date Created: 10/14/16
Chapter 5 Infancy Gestation  Means carrying a fetus or embryo inside a female  Length of an average full term pregnancy is 40 weeks. Typical Pregnancy  Normal pregnancy is 40 weeks  Prematurity is considered 37 weeks or less  From conception until week 8, the baby is called an embryo  From 9­40 weeks, the baby is called a fetus Birth  At birth, an average baby weighs 7.5 pounds  The normal weight ranges is between 5.8 ­10 pounds o 95% of babies fall between this range  The average length and weight of a baby varies from baby to baby Prematurity / Full Term  Premature ­ <37 weeks  Full term – 37­42 weeks  Post term ­ >42 weeks  If a woman goes into labor before 37 weeks, it is called preterm labor Survival Rates of Premature Births  22 weeks – 10%  23 weeks – 50%  24 weeks – 66%  25 weeks – 75% Positions  Newborn – fetal position  1 month – holds chin up  2 months – holds chest up  4 months – sits when supported  7 months – sits alone  9 months – stands with the help of furniture  10 months – crawls  11 months – walks if led / stands alone  12 months – walks alone Major Developments  Infants devote all waking hours to exploring their environment Fine Motor Skills  Small muscle movements that occur in the wrists, hands, fingers, feet, and toes o Picking up small objects o Holding a pencil o Tying shoelaces o Speech How Does Speech Develop?  What is the first rule of speech that babies listen to? o Pragmatics Prosody  Rate, rhythm, and volume of speech  Rate – how fast or slow you speak  Stress – syllables  Duration  Intonation Stress Patterns  Declarative – ends in falling intonation  Interrogative – ends in rising intonation o Younger infants attend to phonetic discrimination Awareness of Actions  By 12 months, infants understand action as a means to a goal  If infants understand intentions, they engage in communication Vision  Babies have the best focus 8­10 inches in front of them  Prefer visual stimuli with angles, light and shade, complexity, and curves  Infants prefer the human face, especially the eyes  Babies get 20­20 vision by 4 months Hearing  Babies begin to hear 18 weeks into pregnancy  They can recognize their mother’s voice at 20 weeks into pregnancy  Optimal hearing range of newborns is within the frequency range of the human voice o Prefer human voice over non­speech sounds Types of Hearing Tests  Otoacoustic Emissions o A miniature earphone and microphone are placed in the ear, and sounds are  played and the baby’s response is measured  Auditory Brainstem Response o Nodes are placed on the baby’s scalp, which measure how the VIII cranial nerve  (auditory nerve) responds to sounds Personality  Newborns have individual personalities that affect their patterns of interaction o Displeasure, fear, joy, etc Joint Attention  The shared focus of two individuals on an object.  Achieved when one person alerts another to an object by means of eye­gazing, pointing,  or other verbal or non­verbal indications and the other person return their gaze to the  individual.  When a toddler points at something, generally the first thing you do is look at what they  are pointing to.  This pointing is your child initiating joint attention. o Child wants you to attend to the same item of interest as they are attending to o VERY IMPORTANT FOR COMMUNICATION


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