fMRI of Hypothalamic Responses to Taste, Temperature and Glucose

Water, 300 ml, at room temperature

Water containing 50 g glucose, 300 ml, at room temperature

Water containing ethyl butyrate (pineapple flavour) 300 ml, at room temperature

Water containing 50 g glucose and ethyl butyrate (pineapple flavour) 300 ml, at room temperature

Water containing 50 g glucose and ethyl butyrate (pineapple flavour) 300 ml, at 0 degrees centigrade