CSD 216: Week 8 Notes
CSD 216: Week 8 Notes CSD 216
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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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