HDFS 230 1st Edition Lecture 1- Body Growtho Triple weight in first yearo Grow in spurtso Gain “baby fat” until about 9 monthso Girls<Boys- Infants sates of arousal1. Quiet Sleep2. Active Sleep3. Drowsiness4. Quiet Alertness5. Waking Activity and Crying- Sleep is when the baby grows- Sleeping: Main Newborn Stateo Newborns=18hours a dayo Wake every 3-4 hourso 6 months=`6hours a nighto 1 year=12hours a night plus naps- Newborn Reflexeso Instinctive, automatic responseo Present and birth; fade away- Survival1. Maintain oxygen supply (Thrashing)2. Maintain body temperature (Tucking legs in)3. Feeding (Sucking, Rooting)o Precursor reflexeso Stepping o Swimmingo Remnants of earlier specieso Moroo Babinskio Motor Developmento Gross Motor Skills- Large body movementso Fine Motor Skills- Small body movements, hands and fingerso Gross before Fine due to myelinationo Major physical milestones of infancyo Reflexes 1 monthThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.o Lift head 2-3 monthso Reach 3-4 monthso Roll over 4-6 monthso Sit up 6-8 monthso Crawling 7-10 monthso Cruising/Walking 12 monthso Independent walking 18 monthso Running 20 monthso Sensation and Perceptiono Precedes intellectual and motor developmento Sensation- response of a sensory system when it projects a stimuluso Perception- Mental processing of sensory information when the brain interoperates a sensationo Newborn Sense of Toucho Sensitive to touch on mouth, palms, soles Physical touch releases endorphinso Highly sensitive to pain Relieve with nursing, sugar solution, gentle holdingo Newborn Senses of Taste and Smello Prefer sweet tastes at birth Infants stop sucking and wrinkle face in response to bitter, sour, salty tastes Quickly learn to like new tastes Odor preferences from birth- Identify mother by smello Newborn Sense of Hearingo Hear a wide variety of sounds at birth Prefer complex soundso Learn sound patterns quicklyo Sensitive to voices and biologically prepared to learn languageo Newborn Sense of Visiono Least developed sense at birth Visual structures in eyes and brain not fully formed Limited acuity- 10-12 inches Improvements- 2 months: Focus and color vision- 3 months: Binocular vision- 6 months: Scanning, tracking, and depth
View Full Document