SCHOOL AGE 9-12 YEARS Flashcards
by age 12, females have attained about ___ of their adult height
93%
by age 12, males have attained about ___ of their adult height
84%
in this age range, which gender is ahead in their overall rate of growth?
females
which gender has more body fat and less muscle tissue?
females
what do sex differences in skeletal and muscular maturation cause in females?
causes better coordination but they are slower and weaker than males
what does further myelinzation in the _______ lobe and ________ formation occurs at 9-12 allow for?
frontal lobes (logic and planning), reticular formation (selective attention becomes possible)
which immunizations do children receive at this age?
HPV and Hep B (if missed in infancy)
true or false: injury related mortality increases with age
true
injury-related injuries are higher for which gender?
males
more than 1/2 of fatal injuries are due to ________
motor vehicle crashes
what is the second most common fatal injury at this age?
drowning
___ of Canadian children between age 5-11 have unhealthy/sub optimal body weights
1/4
what percentage of males and females are considered overweight?
14%, 19%
what percentage of males and females are considered obese?
8%, 9%
when was the highest level of obesity in kids ever recorded?
now
what factors cause obesity?
- genetic predisposition
- epigenetic modifications set early in life
- environment (overeating or low physical activity)
- lower SES is a higher risk (lower participation in sports)
how do children undergo weight loss treatment at this age?
specialized diets developed by nutritional experts and increased exercise
why is weight loss risky in the 9-12 age group?
- bodies are still developing
- still trying to grow so diets can have negative impacts short and long term on children’s lives
what are obesity risk factors?
- overweight parents
- large size for gestation at birth
- early onset of being overweight (being 5 and under)
there is evidence for possible associations between _____________ and obesity or ____________ in early childhood
food insecurity, greater weight gain
why do we see a connection between obesity and children that are experiencing food insecurity at multiple time points
food bank and similar organizations tend to only have fatty, low quality foods
- empyt carbs or high sugar cereals
in 2022, ___ of people in the 10 provinces lived in a food-insecure household – including almost ____ children
18.4%. 1.8 million
food insecurity is _______
increasing
why is food insecurity particularly problematic for children?
- can’t learn well on an empty stomach
- need nutrients and proper fuel for growth
what is horizontal decalage?
applying new cognitive skills to all kinds of problems
example of horizontal decalage
- conservation
- math skills learned in school (addition) applied when in the store with parents
what is vertical decalage?
using the same cognitive function in different stages (at different age points)
examples of vertical decalage
- toddler navigating a space turns into 1-12 year old drawing a map
- potty training – 4-5 years old start using toilet
at 9-12, there is an emergence of what cognitive skill?
problem solving rules emerging from experience and trial and error
what is automaticity?
ability to recall information from long-term memory without using short-term memory capacity (achieved through practice)
examples of automaticity
tieing shoes, brushing teeth, speaking
what is expertise?
the more knowledge an individual has about a topic, the more efficient their information-processing system will work (despite age)
- the more you know, the more organized it becomes in your brain
true or false: advanced skills in one area improves general levels of memory or reasoning
false
what are the information-processing skills developed at this age?
- elaboration
- mnemonic
- systemic searching
what is elaboration?
finding shared meaning or a common referent for two or more things that need to be remembered