FMLY 1010 Lecture 42: Lecture 42

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Family Social Sciences
FMLY 1010
Christine A.Schippers

OP88729 Girls are ahead of boys in rate of growth at 93 of adult height, boys 83 Girls more body fat, less muscle tissue, better coordinated but slower and weaker than boys Brain and Nervous System (259) Increase in myelination of neural axons across cerebral cortex Beginning of middle childhood, rapid increase in sensory and motor areas of brain linked to improvements in fine motor skills and hand eye coordination (68 year olds) Growth in frontal lobe of cerebral cortex focus of developmental processes Myelination of reticular formation and nerves that link it to frontal lobes Frontal lobes: govern logic and planning Reticular formation: controls attention increases during middle childhood Selective Attention: ability to focus cognitive activity on the important elements of a problem or situation Association Areas: parts of the brain where sensory, motor and intellectual functions are linked Achieve nearly complete myelination contribute to increased information processing speed Spatial Perception: ability to identify and act on relationships between objects in space Occurs in right cerebral hemisphere Mapreading (complex special perception) at 8 years old Relative rightleft orientation: ability to identify right and left from multiple perspectives Younger than 8 know difference between rightleft, but older than 8 know about my right vs. your right Spatial Cognition: ability to infer rules from and make predictions about the movement of objects in space boys are better at this than girls Health Promotion and Wellness (260) Common problem is sleep which is associated with many other health problems Interferes with recommended amounts of sleep, related to poorer diets, lowers levels of physical activity Immunization: between 513 should be vaccinated for Hepatitis B Unintentional Injuries: most common cause of death in Canadian children 14 years old and younger Higher for males than female crashes, drowning Nonfatal unintentional injuries are caused by falls, struck by someone Healthy Bodies and Weights (261): children less active now reduction in unintentional injuries, contributes to health risks unhealthy body weights Rise in amount of children with unhealthy body weight over 25 years o 18 611 years old overweight, 8 obese BMI: body mass index proportion of fat to lean body mass increased risk for health problemslow percentage of body fat, which is associated with an Overweight: body weight with a high percentage of body fat, which is associated with increased risk for health problems Obese: body weight with high percentage of body fat, which is associated with an increased risk for serious diseases and health problems
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