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Resting state functional magnetic resonance imaging (rsfMRl) of the brain is used to measure pleasantness after consumption of four different milkshakes with added sugars or sweeteners.
Full description
The central role of the brain in regulating food intake and steering feeding behaviour is increasingly recognized. It is currently well accepted that the brain is the target organ to measure the effects of pleasantness and energy homeostasis in order to change feeding behaviour to reduce the rising prevalence of obesity. The effects of food on the brain are multiple and complex. In addition to primary aspects of food such as taste, texture, looks and smell, secondary aspects such as energy regulation are as much important in the entire "eating experience". Resting state functional connectivity in the brain can be assessed by the analysis of low-frequency fluctuations present in the blood-oxygenation-level-dependent (BOLD) signal in functional magnetic resonance imaging (fMRI). Investigators will use resting state functional magnetic resonance imaging (rsfMRl) to detect changes in connectivity in the default mode and salience network after consumption of four different milkshakes with added sugars or sweeteners.
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Diabetes or history of other disturbances of glucose metabolism (eg impaired glucose tolerance, hypoglycaemia).
Any genetic or psychiatric disease (e.g. fragile X syndrome, major depression) affecting brain
Any know food allergy or intolerance
Any significant chronic disease
Renal or hepatic disease
Recent weight changes or attempts to lose weight (> 3 kg weight gain or loss, within the last 3 months)
Smoking (current or last 6 months)
Alcohol consumption of more than 21 units per week or use of recreational drugs at present or in the last year
Recent blood donation (within the last 2 months)
Recent participation in other biomedical research projects (within the last 3 months), participation in 3 or more biomedical research projects in one year
Contra-indication to MRI scanning:
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20 participants in 4 patient groups
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Data sourced from clinicaltrials.gov
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