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Clinical Trials/NCT01721187
NCT01721187
Completed
Not Applicable

Functional Magnetic Resonance Imaging Study of the Valuation of Food as a Function of Satiety

Duke-NUS Graduate Medical School1 site in 1 country60 target enrollmentOctober 2012
ConditionsFastingFed

Overview

Phase
Not Applicable
Intervention
Not specified
Conditions
Fasting
Sponsor
Duke-NUS Graduate Medical School
Enrollment
60
Locations
1
Primary Endpoint
fMRI - Willingness to Pay task (BDM auction)
Status
Completed
Last Updated
10 years ago

Overview

Brief Summary

Using fMRI, this study will explore the neural correlates of satiety when individuals make decisions about food. The investigators will also examine individual differences in satiety effects.

Registry
clinicaltrials.gov
Start Date
October 2012
End Date
July 2014
Last Updated
10 years ago
Study Type
Observational
Sex
All

Investigators

Sponsor
Duke-NUS Graduate Medical School
Responsible Party
Principal Investigator
Principal Investigator

MChee

Professor

Duke-NUS Graduate Medical School

Eligibility Criteria

Inclusion Criteria

  • Chinese ethnicity
  • 21 to 45 years old
  • English as first language
  • Right-handed
  • Have normal eyesight, or have long-sightedness or myopia within +8.0 to -8.0 diopters (unless corrected by contact lenses)
  • Weigh less than 100kg with an abdominal circumference of less than 120cm
  • Non-smoker, or only smoke occasionally (less than 5 sticks a week)
  • Consume less than 2 units (200 mg) of caffeine a day
  • Consume less than 21 units of alcohol per week (e.g. 500ml 5% beer = 2.5 units, 250ml 14% wine = 3.5 unit)
  • Habitually sleep before 1am and wake before 9am

Exclusion Criteria

  • On a restrictive diet (e.g., vegetarian/vegan diet)
  • History of food allergies
  • History of psychiatric or neurological disorders
  • History of chronic medical illness
  • Metal implants in or on the body (e.g. braces, dental retainers, pacemakers)
  • Shift worker
  • Claustrophobic
  • High astigmatism (high = \>2.00 diopters)
  • Colour-blind

Outcomes

Primary Outcomes

fMRI - Willingness to Pay task (BDM auction)

Time Frame: Fed and fasted visits (Wks 1 & 2)

A measurement of how much participants are willing to pay for foods and non-foods, as an assay for subjective value of goods.

fMRI - Monetary and Food Incentive Delay task

Time Frame: Fed and fasted visits (Wks 1 & 2)

A measurement of neural response to anticipating and receiving money and food rewards.

Study Sites (1)

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