Nutrition Children need far fewer calories per pound of body weight than infants do. Children in...
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Nutrition• Children need far fewer calories per pound of
body weight than infants do.
• Children in low-income families are especially vulnerable to obesity
• Overfeeding is causing an epidemic of illnesses associated with obesity, such as heart disease and diabetes.
https://www.youtube.com/watch?v=f4QdCFbYliE
3 min
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Brain Development
By age 2, a child's brain weighs 75 percent of what it will in adulthood.
Transient exuberance and then pruning of dendrites has already taken place.
The brain reaches 90 percent of adult weight by age 6.
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Brain Development
The primary reason for faster thinking is new and extensive myelination.
Myelin is a fatty coating on the axons that speeds signals between neurons.
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Brain Development
Corpus callosum Long, thick band of nerve fibers that connects
the left and right hemispheres of the brain and allows communication between them
Lateralization Specialization in certain functions by each side
of the brain, with one side dominant for each activity
Left side of the brain controls the right side of the body, and vice versa.
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Brain Development
Contemporary views on left-right distinction Distinction exaggerated No exclusive sidedness in healthy people Both sides of brain involved in almost every skill Brain is flexible, especially in early life
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Prefrontal Cortex
Planning, decision making, prioritizing, reflection, emotional regulation (governs the rest of the brain)
11-7
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Impulsiveness and perseveration Prefrontal cortex is very limited in infancy and
continues to develop at least until early adulthood.
Maturation of the prefrontal cortex gradually facilitates focused attention and curbed impulsiveness.
Before such maturation, many young children jump from task to task; they cannot stay quiet.
Others act in the opposite way: In a phenomenon called perseveration, some children persevere in, or stick to, one thought or action, unable to quit.
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Brain Development: Planning and Analyzing
Can she sit still?
• This is developmentally difficult, but for three reasons she probably will succeed:
– (1) gender (girls mature earlier than boys)
– (2) experience (she has been in church many times), and
– (3) social context (she is one of 750 students in her school attending a special service at Nativity Catholic church).
Many religious rituals have sustained humans of all ages for centuries,
including listening quietly in church on Ash Wednesday—as Nailah Pierre
tries to do.
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Right hemisphere 10
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Amygdala
Evaluates sensory information and determines its emotional importance
Assesses threat Damage results in
abnormality in processing fear
11-11
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Hippocampus Brain structure that is a central
processor of memory, especially memory for locations.
Hypothalamus Brain area that responds to the
amygdala and the hippocampus to produce hormones that activate other parts of the brain and body
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Early stressful events Increased risk for…
Permanent learning and memory deficits Later developing major depression, PTSD,
and ADHD Blunted or accelerated emotional
responses
Benefits Cognitive and memory growth with
reassuring adults Context and duration important
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Artistic Expression
All forms of artistic expression blossom during early childhood
Skill gradually comes with practice and maturation
Artistic expression in early childhood correlates with later creative drawing (adult encouragement, child practicing to develop technical skill)
Cultural context influences expression
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Injuries and Abuse
Accidents In almost all families of every income,
ethnicity, and nation, parents want to protect their children while fostering their growth.
In every nation, more young children die from accidents than from any other specific cause.
The 2- to 6-year-olds in the U.S. are at greater risk than slightly older children.
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Avoidable Injury
Age-related dangers Falls Motor-vehicle deaths Poison Fire Drowning
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Avoidable InjuryInjury control (harm reduction): practices aimed at anticipating, controlling and preventing danger; reflects the beliefs that harm can be minimized
Safety surfaces Car seats Bike helmets Safety containers for medications Pool monitoring
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Levels of Prevention
Primary prevention: he overall situation is structured to make harm less likely; reduces everyone’s chance of injuryEx) side walks, speed bumps, breaks/head
lights, driving exams
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Levels of Prevention
Secondary prevention: reduces danger in high risk situations.
Ex) salt on icy roads, holding a child’s hand near a busy street
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Levels of Prevention
Tertiary prevention: reducing impact after harm has occurred
Ex) laws against hit-and-run, speedy ambulances
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The Ecological Model
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Child Maltreatment
“Discipline” Versus “Abuse” Would you send a child to bed without any
dessert? Without any dinner? Would you tell a child to go to his or her room
for 10 minutes? An hour? Two hours? A day? Would you tell a child he or she is selfish?
Stupid? Stubborn?
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Child Maltreatment
Child maltreatment Intentional harm to or avoidable
endangerment of anyone under 18 years of age. This includes abuse and neglect.
Child abuse Deliberate action that is harmful to a
child's physical, emotional, or sexual well-being
Child neglect Failure to meet a child's basic physical,
educational, or emotional needs
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Substantiated Child Maltreatment
Getting Better? As you can see, the number of victims of child maltreatment in the United States has declined in the past decade.
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Rates of Substantiated Child Maltreatment
Still Far Too Many
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Consequences of Maltreatment
Effects of maltreatment are devastating and long-lasting.
Mistreated and neglected children Regard people as hostile and exploitative Are less friendly, more aggressive, and more
isolated than other children Experience greater social deficits Have higher risk of emotional disorders and
suicide attempts
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• ABORIGINALS IN CANADA
• Aboriginal people represent only 2.8% of the Canadian population, they account for 18% of those who are in federal prison. In the Prairie provinces, 50% of prisoners are Aboriginals
• An estimated 80% of urban Aboriginal children under the age of 6 living in poverty
• The suicide rate among young Aboriginals is one of the highest in the • five to eight times higher than the national average.
• http://www.youtube.com/watch?v=DHfOBTPU2vU
8 - 28
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Child Maltreatment
Three levels of prevention Primary prevention Secondary prevention Tertiary prevention
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Child Maltreatment
Three levels of prevention Primary prevention: Focus on macrosystem and
exoystem; stable neighborhood, family cohesion, decreasing financial instability, family isolation, and teenage parenthood
Secondary prevention: Focus on identifying and intervening ; insecure attachment
Tertiary prevention: Focus on limiting harm after maltreatment
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Tertiary Prevention and Placement
Permanency planning Foster care http://
www.mcf.gov.bc.ca/foster/levels.htm?WT.svl=LeftNav
Kinship care Adoption https://
www.youtube.com/watch?v=eFNnb9WeTBk
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Post-traumatic stress disorder (PTSD)
PTSD Anxiety disorder that develops as a delayed
reaction to having experienced or witnessed a profoundly shocking or frightening event
Symptoms May include flashbacks to the event,
hyperactivity and hypervigilance, displaced anger, sleeplessness, nightmares between fantasy and reality