Impact of Blood Glucose on Motivation States: A Double-Blind Placebo-Controlled Study
University of South Florida
Summary
The purpose of this study is to evaluate how motivation is impacted by exercise and beverage consumption. You will be asked to report to our lab for 5 visits each separated by 2+ days over a period of 2-3 weeks.
Eligibility
- Age range
- 18–45 years
- Sex
- All
- Healthy volunteers
- Yes
Inclusion Criteria: * Body mass index 18-30 m/kg\^2 * Health Status: generally healthy; no cardiopulmonary/metabolic/orthopedic disease or limitations * Blood Pressure: excluded with SBP of 130+ mmHg or DBP of 80+ mmHg * Glucose Status: excluded and instructed to seek medical consultation if fasting values are \<70 mg/dl or \>125 mg/dl; included but encouraged to seek medical consultation if fasting values are 100-125 mg/dl Exclusion Criteria: * None
Interventions
- BehavioralExercise
Exercise 30 minutes at moderate intensity (10% below ventilatory threshold)
- Dietary SupplementSugar Drink
Consume 250mL beverage (water + 6 tablespoons table sugar)
- Dietary SupplementNon-sugar beverage
Consume 250mL beverage (water + 1.5 teaspoons of stevia powder)
Location
- University of South FloridaTampa, Florida