Satiety Effects on the Neural Valuation of Food

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

60 participants

Study Classification

OBSERVATIONAL

Study Start Date

2012-10-31

Study Completion Date

2014-07-31

Brief Summary

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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.

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Detailed Description

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Conditions

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Fasting Fed

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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Low disinhibition

fMRI during fed and fasted states

No interventions assigned to this group

High disinhibition

fMRI during fed and fasted states

No interventions assigned to this group

Eligibility Criteria

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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

Minimum Eligible Age

21 Years

Maximum Eligible Age

45 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes