the learning connection -...
TRANSCRIPT
The Learning Connection Elizabeth Zmuda D.O.
Nationwide Children’s Hospital American Academy of Pediatrics
The Learning Connection
The Science of Early Brain and
Child Development
Epigenetics Physiology of Stress Neuroscience
Education Health Economics Health
New Science – Many Implications
Brain Structure Changes With Experiences,
Especially in The Developing Brain
Parenthood begins at Conception
Not Just Nutritional Stress
• Energy or protein • Micronutrients • Placental failure • Blood flow • Medications • Physical/ Mental Stress • Smoking, alcohol • Toxins • Oxygen • Blood sugar • Weight gain
Fetal Experiences “Program” Future Disease
• Growth • Obesity • Hypertension • Abnormal Lipids • Cardiovascular Disease • Diabetes • Metabolic Syndrome • Behavioral Health
P Gluckman, NEJM 2009
a
Genotype
Phenotype I Phenotype II Phenotype III Phenotype IV Phenotype V
Environment
What if genes were modifiedby experiences?
In Utero
Brain Development
Diet/Activity/Fitness
Environment
Social & Economic Cultural
Internal Stress
Support Behavior
Genes/Family
Cognition Learning Memory
External
We Can Do Something
Brain Stem & Cranial Nerves: Vital functions Swallowing
Cerebellum: Smooth movements Coordination
Occipital Lobe: Visual processing
Parietal Lobe: Integration of sensory data and movement
Temporal lobe (outside): Processing sound and language
Limbic System (inside): Emotions and impulsivity
Frontal lobes: Abstract thought, reasoning, judgment, planning, impulse and affect regulation, consequences
Brain Structure (and Function)
+ The Gas Pedal + Amygdala
- The Brake – PFC (with some hippocampal help)
The Developing Brain
Brain doubles in size in first year Reaches 80% of adult volume by third year Massive synaptic connections by third year “Pruned” to half by adulthood Strengthened by electrical & chemical signals
Developmental Origins of Health and Disease
Hansen and Gluckman, 2011. Am J Clin Nutr doi 10.3945/ajcn.110001206
Healthcare Expenditures
The emotional stress centers of
the brain
• Positive Stress is
– Is brief, infrequent, mild or moderate
– Is normal in everyday life
– Motivates, builds exploration and curiosity, and teaches the child to adjust
The child’s social and emotional supports help manage stress
and allow a return to normal
Stress Shapes the Brain
• Poor nutrition • Illness • Injury or trauma • Neglect • Violence • Family problems • Environmental toxins • Inadequate health care
Prolonged Stress can Harm a Child
http://feedingamerica.org/SiteFiles/child-economy-study.pdf
• Toxic Stress
– Long lasting, frequent, or intense
– Adverse childhood events (ACEs)
– Perceived by the child as overwhelming – Results in
• Anxiety • Anger • Emotional outbursts • Fear
Harmful if the child does not have enough social and emotional buffers
Toxic Stress
Toxic Stress Damages Brain
How Children Succeed by Paul Tough
• Why do some children succeed and some fail?
• Adverse Childhood Experiences (ACEs) reflect toxic stress -- correlates with poor academic, behavioral, lifestyle and physical/mental health outcomes
• Social emotional skills can mitigate toxic stress
ACE Categories Women Men Total
• Abuse (n=9,367) (n=7,970) (17,337) – Emotional 13.1% 7.6% 10.6% – Physical 27.0% 29.9% 28.3% – Sexual 24.7% 16.0% 20.7%
• Household Dysfunction – Mother Treated Violently 13.7% 11.5% 12.7% – Household Substance Abuse 29.5% 23.8% 26.9% – Household Mental Illness 23.3% 14.8% 19.4% – Parental Separation or Divorce 24.5% 21.8% 23.3% – Incarcerated Household Member 5.2% 4.1% 4.7%
• Neglect*– Emotional 16.7% 12.4% 14.8% – Physical 9.2% 10.7% 9.9% * Wave 2 data only (n=8,667) Data from www.cdc.gov/nccdphp/ace/demographics
1:4!
1:4!
Skeletal Fractures
Relationship Problems
Smoking
General Health and Social Functioning
Prevalent Diseases
Sexual Health
Risk Factors forCommon Diseases
Hallucinations
Mental Health
ACEs Impact Multiple Outcomes
Difficulty in job performance
Married to an Alcoholic
High perceived stress
Alcoholism
Promiscuity
Illicit Drugs
Obesity
Multiple Somatic Symptoms
IV Drugs
High Perceived Risk of HIV
Poor Perceived
Health
Ischemic Heart DiseaseSexually
Transmitted Diseases
Cancer Liver Disease
Chronic Lung Disease
Early First IntercourseSexual Dissatisfaction
Unintended Pregnancy
Teen Pregnancy
Teen Paternity Fetal Death
Depression
Anxiety
Panic Reactions
Sleep Disturbances
Memory Disturbances
Poor Anger Control
Poor Self-Rated Health
We Can Build SOCIAL-EMOTIONAL BUFFERS
Self-Regulation
Coping, Persistence Organization, Planning
Relief of anxiety and stress Curiosity, Exploration
• Learned, practiced • Modeled by others • Turns off emotional over-reactions • Increases test scores in school
ACEs Impact Life Long Health
Adverse Childhood Experiences
Social, Emotional, andSocial, Emotional, andCognitive Impairment
Adoption ofHealth-Risk Behaviors
Disease &Disability
EarlyDeath
Death
Birth
Slide modified from V. J. Felitti
Lickers & Groomers
• Handling rat pups caused anxiety = stress
• Maternal behavior* – High L&G – Low L&G
• High = greater exploration, curiosity, socialization, healthier, less anxious, less aggressive
• Biochemical changes in brain
M Meany et al, McGill University
Overweight
Undernourished
Unfit
What you eat or don’t eat matters
to your brain
Hunger Impacts Mental Health & Development
• Worse developmental outcomes • Psychosocial, behavioral, and attention problems • Depressive and suicidal symptoms in adolescents • Lower academic performance
Weinreb; Pediatrics; 2002; 110; e41 Dunifon; Social Service Review; 2003; 77; 72–92
Kleinman; Pediatrics; 1998; 101; e3. Murphy; Journal of the American Academy of Child and Adolescent Psychiatry; 1998; 37 (2), 163–170
Whitaker; Pediatrics; 2006: 118(3); e859–e868 Slack; Social Service Review; 2005; 79(3); 511–536
Jyoti; Journal of Nutrition; 2005; 135; 2831–2839 Rose-Jacobs; Pediatrics; 2008; 121(1); 65–72
Skalicky; Maternal and Child Health Journal; 2006; 10(2); 177–185
Kids & Energy-Dense, Nutrient-Poor Foods
• Snacking = 30- 40% of daily energy• Daily calories increased • Carbohydrates increased • Fats increased
• Displace: Protein, fiber, vitamins, folate,calcium, magnesium, iron, zinc
0 10 20 30 40 50 60 70 80 90 100
Vitamin C
Phosphorus
Vitamin A
Magnesium
Calcium
Vitamin E
Vitamin D
Many American children fall short on nutrient intakes
Percent with nutrient intakes from food and dietary supplements below the EAR
Ogden, JAMA 2010 Fulgoni et. al., J of Nutrition, 2011
Only 2% of children have potassium intakes above the AI
The School Nutrition Success Story
• 55 million students • 32 million lunches/d • 35-40% kcals school vs
56% kcals at home • Improve nutrition • Lessen obesity • Improve behavior • Boost academic
achievement
Nutrients of Public Health Concern • Four nutrients of public health concern – calcium, vitamin D,
potassium and dietary fiber due to inadequate intake of key food groups
*NHANES 2003-2006; 2+ yrs Milk is the number 1 food source
2010 Dietary Guidelines for Americans -
Recommendations Age Servings of Dairy per Day
2-3 years old 2 Servings
4-8 years old 2.5 Servings *
9 and older 3 servings
What’s the Scoop On Flavored Milk?
• Dietary Guidelines uses fat- free chocolate milk as example of nutrient dense beverage
• Only 15 % of milk consumed is flavored contributing only 3 % of the added sugar and 2 % of the calories in children’s diets on average
• Children who drink flavored milk have better nutrient and total milk intake and similar added sugar intake and body weight as non drinkers
Dairy Research Institute NHANES 2001-2010 Johnson, JADA 2002, Murphy, JADA 2008
#tcotraining
School Lunch: Findings • 10 years: rapid improvements (SNDA I,II,III)
– Protein, vitamins A & B-12, riboflavin, calcium, phosphorus, potassium and zinc
– Choices for entrees, fruit, vegetables the norm – More than half of the milk was no- or low-fat
• New Standards meet Dietary Guidelines 2010: – Less saturated fat, sodium – More fresh fruit & vegetables, whole grains – Better balanced, fewer calories
Not a Cause of Obesity
Benefits of Breakfast at School
Fewer disciplinary referrals
Improved attendance
Energy and micronutrients not consumed in SBP are not made up over 24 hrs in non-participants
The Learning Connection: The brain develops through childhood & adolescence Experiences alter brain structure and function Health, physical activity, fitness, nutrition, emotional
support, peer interactions, and play* improve Cognitive Processing
Experiences alter brain structure
Health, physical activity, fitness, nutrition, emotional
Inhibition the ability to ignore
distraction & stay focused
Cognitive Flexibility the ability to switch
perspectives, focus of attention, or response
mappings
Working Memory the ability to hold
information in mind and manipulate it
Building Cognitive Control
Cognition is a Struggle
Cool Intelligence Hot Intelligence
Executive Function = Prefrontal Cortex
When Functional… • Make plans • Keep track of multiple
things • Discuss using past
knowledge • Evaluate ideas, reflect on
work • Make corrections • Engage in group dynamics • Control impulsivity
When Dysfunctional, struggles… • Planning projects • Time management • Verbal, written stories in a
sequential manner • Memorizing and retrieving
key information • Initiating tasks or generating
ideas independently • Retaining information while
using it (working memory)
FITNESS & PA
The Brain on Exercise
41
How Play* Shapes the Brain
• More connections between neurons • Faster communication between neurons • Greater blood flow: glucose, oxygen
The FITKids Randomized Trial
151 Children (Rx = 82, Con = 69)
participated in >70 minutes of
intermittent moderate to vigorous PA
daily
After-school physical activity on 150 of the 170 school days
0
2
4
6
8
FITKids Waitlist Control
Δ%
VO
2
*
Fitness & Hippocampal Volume
Chaddock et al. (in prep).7.15
7.25
7.35
7.45
7.55
Pre-Test Post-Test
FITKids Controls
Hip
poca
mpa
l Vol
ume
(cm
3 )*
Δ%
VO
2
*
0
4
8
12
16
20
24
FITKids Control
relational memory
Monti et al. Hippocampus; 22:1876–1882 (2012)
Chaddock et al. (2010). Brain Research, 1358, 172-183
50
55
60
65
70
75
80
Item Accuracy Relational Accuracy
Memory Performance
Low Fit
High Fit
Res
pons
e A
ccur
acy
(%)
*
Fitness, Hippocampus, & Memory
PA & Cognition in Children
Hillman CH et al. Nature Reviews Neuroscience 9, 58-65 (January 2008) |
Exercise, Executive Function and Math in Obese Children
CL Davis, et al. Health Psychol 2011, 30:91-98
Neuro-imaging
Neuro-cognitive
Increased physical activity leads to more focused classroom
behaviors and
improved mathematics, reading, and writing test scores
49
Neuro-imaging and Neuro-cognitive testing
prove that
A growing number of schools are cutting daily physical activity opportunities
to provide additional classroom time on formal academic topics.
Does Activity Time Hinder
Academic Achievement?
No. CDC reviewed 50 school studies: No decrease in academic achievement when time
is allotted for physical education/recess/sports, and in fact… Positive relationships between classroom physical
activity time and indicators of academic achievement, classroom behavior, and cognitive function
www.cdc.gov/HealthyYouth, April, 2010
Optimal cognitive processing in a child
necessitates a period of decompression
after a period of concentrated instruction
Regularly scheduled periods within the [elementary school] day for unstructured physical activity and play.
(CDC, 1997)
Recess is …
The fewest minutes of recess occur in those schools
with 75% or more of its kids
on free & reduced meals – those with the highest need
Recess Augments PE Recess is not a substitute for PE PE is education, teaching the acquisition of motor skills for life-long physical activities and free play
PLAY* DEVELOPS SOCIAL & EMOTIONAL SKILLS
Play* = A Life Skills Class
Adapt, adjust to complex school environment
Practice and role-play social skills Learn communication skills:
negotiation, cooperation, sharing and problem-solving
SocialEmotional Learning
manage stress, organize learn and practice coping skills, curiosity, perseverance and self-control
Institute of Medicine Report May 2013
60 minutes per day Whole-of-School Approach:
• Before school • PE Daily • Recess Daily • 10-minute Breaks
between classes • After-school
http://iom.edu/Reports.aspx
The Learning Connection: The brain develops through childhood & adolescence Experiences alter brain structure and function Health, physical activity, fitness, nutrition, emotional
support, peer interactions, and play* improve Cognitive Processing
Experiences alter brain structure
Health, physical activity, fitness, nutrition, emotional
We can’t raise a child’s IQ,
and we aren’t their teachers,
but if we are allowed
through improved nutrition and regular physical activity we can put a better student
in the chair -Robert Murray MD
School Wellness Committees
www.ActionForHealthyKids.org/
Fuel Up to Play 60 Child-Led Wellness Programs
http://www.fueluptoplay60.com/
•CDC “Report on PA, PE and Academic Performance” www.cdc.gov/HealthyYouth/health_and_academics •NASPE Initiative “Let’s Move in School” www.NaspeInfo.org •GenYouth, NFL “The Wellness Impact” www.GenYouthFoundation.org •Action for Healthy Kids “The Learning Connection” www.ActionForHealthyKids.org
The Science of The Learning Connection
, NFL “The Wellness Impact”Action for Healthy Kids “The Learning Connection”
Tell the Story
FIND THE FULL STORY! Bookmark these resources! * Learning Connection Summit-- http://www.ohioactionforhealthykids.org/resources/school-wellness/healthy-students-are-better-learners/ * Wellness Impact Report-- http://www.drink-milk.com/child-nutrition/learning-connection.aspx#.UjGwNMbkt6k * Learning Connection Report--http://www.actionforhealthykids.org/media-center/reports
It is easier to build strong children, than to repair broken men. -Frederick Douglass