discipline nutrition psychology biology ag econ food science animal science
DESCRIPTION
Ingestive Behavior Research Center. APPROACH Genetic Molecular Cellular Organ System Organism Behavior Policy. DETERMINANTS Culture Cognitive Sensory Physical Endocrine Metabolic Neural Thermogenic. DISCIPLINE Nutrition Psychology Biology - PowerPoint PPT PresentationTRANSCRIPT
DISCIPLINE
Nutrition
Psychology
Biology
Ag Econ
Food Science
Animal Science
Nursing
Health Kinesiology
APPROACH
Genetic
Molecular
Cellular
Organ
System
Organism
Behavior
Policy
DETERMINANTS
Culture
Cognitive
Sensory
Physical
Endocrine
Metabolic
Neural
Thermogenic
Ingestive Behavior Research Center
INGESTIVE
BEHAVIOR
Current IBRC Research Foci
• Metabolic and Neurohormonal Controls of Feeding Behavior
• Lifespan Influences on the Regulation of Ingestion and Body Weight
• The Nature and Function of Gastrointestinal Stimuli
• The Role of Experience, Cognition, and Sensory Stimuli in Disorders of Intake Regulation
Study
Almost Never/ less than once
per month1-3 times per
month 1 time per week2-4 times per
weekgreater than 5 times per week
Hu, et. al, 1998 (Nurses Health Study)
24.8 24.3 NR 23.8 23.4
Ellsworth, et. al., 2001 (Iowa Women's Study)
27.1 26.9 26.7 26.4 26.2
Albert, et. al., 2002 (Physicians Health Study)
24.9 24.9 25.0 NR 24.7*
Jiang et. al., 2002(Nurses Health Study)
24.7 24.3 NR 24.0 23.4
USDA, 2000(CSFII)
Young (6-20yr)
21.2 19.6 NR NR NR
Adults (≥ 21 yr)
26.1 25.6 NR NR NR
Data reflects the combination of the 2 most frequent categories of nut consumption NR, not reported
Factors Contributing to LessThan Predicted Weight Gain
• Strong Appetitive Control
• Elevated Energy Expenditure
• Energy Loss
-5
-4
-3
-2
-1
0
1
2
3
4
5
Cha
nge
Of
Hun
ger
Rat
ings
Fro
m B
asel
ine
0 min.
60 min.
120 min.
180 min.
PeanutsPeanut Butter
AlmondsChestnuts
ChocolateRice Cakes
PicklesNo Load
United States
Ghana
-5
-4
-3
-2
-1
0
1
2
3
4
5
Ch
an
ge O
f H
un
ger
Rati
ng
s Fr
om
Base
lin
e
PeanutsPeanut Butter
AlmondsChestnuts
ChocolateRice Cakes
PicklesNo Load
Protocol
Energy Intake
Week 4, 8, 17, 21
Compliance
Week 1, 10, 14, 23
Hollis J & Mattes R. Br J Nutr 2007;98:651-656.
Hoad CL et al., J. Nutr 2004;134:2293-2300
Neuroendocrine Factors inFeeding Regulation
• Leptin• Insulin• Amylin• NPY• CRH• UCN• UCNII• Galanin• Neurotensin• CART• Oxytocin• Alpha-MSH
• CCK• Corticosterone• Serotonin• Dopamine• MCH• Orexins• Ghrelin• GLP-1• GLP-2• AgRP• Beacon• Cannabinoids
• TNF-alpha• Beta-Endorphin• Dynorphin• BDNF• PYY• IL-6• IL-1• IL-1RA• Norepinephrine• Amino Acids• PRL-RL• GAL-LP
Factors Contributing to LessThan Predicted Weight Gain
• Strong Appetitive Control
• Elevated Energy Expenditure
• Energy Loss
Protocol
Week 1, 8, 14, 21
Energy Expenditure
RMR & TEF TEEPA
Week 4, 8,14, 21
(3 Days)
Week 8, 21
Hollis J & Mattes R. Br J Nutr 2007;98:651-656.
Factors Contributing to LessThan Predicted Weight Gain
• Strong Appetitive Control
• Elevated Energy Expenditure
• Energy Loss
Ellis et al., AJCN 2004;80:604.
Executive Committee:Director:
Terry Davidson (Psychological Sciences) Associate Director:
Richard Mattes (Foods and Nutrition)
Members: • Wayne Campbell (Foods and Nutrition)• Susan Chen (Agricultural Economics)• Shawn Donkin (Animal Sciences) • Edward Fox, (Psychological Sciences)• Terry Powley (Psychological Sciences) • Susan Swithers (Psychological Sciences)