Impact of Different Breakfast Meals on Food Choices, Eating Behaviors and Brain Activation

Participants will consume the assigned breakfast each morning for 7 days. Participants will express a hedonic rating of the breakfast through 7-point Likert Scales before (overview) and after breakfast consumption.

On the third day, participants will be involved in blood tests. Blood will be taken at baseline (fasting), and up to 4 hours after consuming the breakfast. Participants will complete serial visual analog rating scales of hunger and fullness before (fasting) and every 30 minutes up to 4 hours after breakfast consumption.

Following the last blood sample, participants will be given the opportunity to consume food ad libitum from a buffet lunch. Double weighing of food will be set up to evaluate food choices and energy intake of lunch. During the test week, participants will record all foods and beverage on a 7-day food dairy.

On the fourth day, 4 hours after the breakfast consumption and avoid other foods, participants will be involved in attentional test (Mackworth Clock Test for sustained attention and Stroop Test for selective attention).

On the fifth day, 4 hours after the breakfast consumption and avoid other foods, participants will focus on a set of photographs (stimuli will be randomly choose from three categories of pictures including food, nonfood, and blurred baseline images) during an fMRI brain scan procedure to scan brain activation responses