Test 4 Flashcards
What Epigenetic forces develop the brain and body?
Biologically driven
Socially Guided
Experience-Expectant
Experience-Dependent
Growth patterns ages 2-6?
Body lengthens and baby fat is replaced by muscle.
For children 2-6 how many pounds do they generally gain a year? How all do they grow?
about 4 1/2 pounds and 3 inches every year
A typical 6 year old:
40-50 pounds
3 1/2 ft tall
Lean not chubby
Legs half their height
What decreases in 6 year olds?
Appetite, they need fewer calories per lb of weight.
Why are low SES kids obese?
less exercise, more TV, fewer vegetables, and more fast food.
What % of 2-5yrs are obese?
14%
What % of 6-11yrs are obese?
18%
What % of 12-19yrs are obese?
21%
What is the “Just Right” Phenomenon?
Peaks at 3 but decreases at 5, is a consistent “just right” routine for preschoolers
How much does a 2 year olds brain weigh?
75% of what it will weigh in adulthood.
How much does a 6 year olds brain weigh?
90% of what it will weigh in adulthood
Prefrontal cortex does
The brains executive functions, planning, selecting, and coordinating thoughts.
what does the cerebellum do?
coordinates voluntary movement and balance.
What results in brain growth?
Proliferation and communication of dendrites and axons.
What is myelination?
When axons get coated in myelin which speeds up the transmission of nerve impulses from neuron to neuron.
Ages 2-6 Prefrontal Cortex Maturation:
Sleep gets regular, tantrums calm down, laughing and crying becomes more controllable.
What are neurons 2 impulses?
activate and inhibit
A balanced brain is most effective throughout life T or F
T many kids are finding their balance
What is perseveration?
When you tend to stick to 1 thought or action for a long time,
Corpus Callosum:
the connection of the brains hemispheres.
What is lateralization?
The specialization of certain functions by each side of the brain.
What is the Limbic System?
Controls expression and regulates emotion.
3 Major Areas are:
Amygdala- emotions
Hippocampus -memory
Hypothalamus- brain area responds to both A and H to produce hormones for other parts of the body.
What are Gross Motor Skills?
anything involving a LARGE body movement
What are fine motor skills?
involves a SMALL body movment
What expression blossoms during early childhood?
artistic expression
out of 100,000 1-4 year olds, how many died accidentally?
10.9%
out of 100,000 1-4 year olds, how many died of cancer?
2.5%
out of 100,000 1-4 year olds, how many were murdered?
2.4%
Leading cause of death for teenagers?
Car accidents
What is primary prevention?
actions that can change conditions to prevent unwanted events or cicrusmtances.
What is Secondary Prevention:
Actions that AVERT harm in high risk situations, like stopping a car form hitting someone.
What is a tertiary prevention?
actions taken after an adverse event