GlyCoBrain Observational Study
This study, called GlyCoBrain, aims to understand how different breakfasts impact memory and attention in young adults. Researchers are particularly interested in how breakfasts that cause quick sugar spikes might affect how well students think and focus, especially a few hours after eating. The study also explores how a person's 'body clock' (chronotype) might play a role. Some people are naturally morning larks and others are night owls. The study will look at whether people with a later body clock (night owls) eat different breakfasts or are affected differently by certain foods, particularly when they have to eat early for things like exams. About 350 students will be involved, sharing information about their eating habits and body clock.
At a glance
What is this study about?
Imagine you're getting ready for a big exam. You grab breakfast, but what you eat might affect how sharp your mind is a few hours later. This study, called GlyCoBrain, is designed to explore this very idea, focusing on how breakfast choices might impact your memory and attention, especially in young adults.
Researchers are particularly interested in breakfasts that cause your blood sugar to rise quickly and then fall, sometimes called high 'glycaemic index' foods. Previous research has hinted that these types of breakfasts might make it harder to concentrate or remember things a couple of hours after eating. The study also looks at how your natural 'body clock' – whether you're a morning person or a night owl – might influence these effects. Young adults often have a later body clock, meaning they're naturally more awake later in the evening and prefer to sleep in. The study will investigate if this affects their eating habits and how their body reacts to breakfast.
The GlyCoBrain study wants to clarify a few things. Firstly, do students with a later body clock naturally tend to eat breakfasts that cause bigger blood sugar changes? This includes looking at all meals before noon. Secondly, are these students more likely to choose such foods when they have an important task, like an exam, in the morning? And thirdly, do they tend to eat breakfasts that are higher in calories but lower in important nutrients? By looking at these questions, the study hopes to better understand the link between breakfast, your body clock, and how well your brain works.
Key takeaways
- Looks at how breakfast affects memory and attention in young adults.
- Explores the role of 'body clock' (chronotype) in eating habits.
- Investigates how 'high GI' foods (quick sugar-spike foods) might impact brain function.
- Involves questionnaires about diet and body clock.
- Some participants may eat specific breakfasts to test brain activity.
- Aims to understand better how food choices link to concentration.
Who may be eligible?
To take part in this study, you need to be a student at Paderborn University and be between 18 and 25 years old. You also need to be fluent in German, as all the questionnaires are in German.
There are certain reasons why you wouldn't be able to join. For example, if you're studying nutrition science or home economics, or if you regularly take certain sleep medications (even herbal ones) or other mental health medications like antidepressants or those for ADHD. Anyone using specific cannabis-based medications or certain antihistamines would also not be eligible.
People with certain long-term health conditions, such as diabetes (all types), prediabetes, serious mental health conditions (like depression or anxiety), eating disorders, or certain blood disorders, cannot participate. If you have chronic gut issues, infectious diseases like HIV or hepatitis, are pregnant or breastfeeding, or have worked shifts or travelled across many time zones recently, you can't join. Finally, if you have a pacemaker or defibrillator, you wouldn't be able to take part.
Could this study suit you?
Answer these quick questions to see if you may be eligible. This is a guide only — the research team makes the final call.
- Are you a student at Paderborn University?
- Are you between 18 and 25 years old?
- Are you fluent in German?
- Do you avoid certain medications (like long-term sleep or mental health meds) and herbal remedies?
- Do you not have certain chronic health conditions (like diabetes or serious mental health issues)?
- Are you not pregnant or breastfeeding, and don't do shift work or recent long-distance travel?
What does participation involve?
This study involves filling out questionnaires about your breakfast habits and your natural body clock. You'll also need to record everything you've eaten for two separate 24-hour periods. Following this initial part, some participants will be invited to take part in two follow-up studies. These will involve eating specific breakfasts – one that causes a quick sugar rise and another that might cause a temporary dip in blood sugar – and then researchers will assess your memory and attention afterwards. The total duration for completing the main questionnaire and food recalls is fairly short, but the follow-up studies would require additional time commitment.
Potential risks and benefits
Locations (1)
- Paderborn UniversityVerified postcodePaderborn, Germany
Common questions
What is a 'chronotype'?
Your chronotype is basically your natural body clock – whether you're a 'morning lark' who loves waking up early or a 'night owl' who prefers to stay up late and sleep in.
What does 'high glycaemic index (GI)' mean for breakfast?
High GI breakfasts are foods that cause your blood sugar to go up quickly, like sugary cereals, white bread, or certain pastries. This is compared to low GI foods which release sugar more slowly.
Why is the study focusing on young adults?
Young adults, especially students, are often seen as having a later chronotype, meaning their natural body clock is set later. This can sometimes conflict with early morning classes or exams, making them an important group to study regarding breakfast and brain function.
Will I have to change my diet for this study?
Initially, you'll just be reporting your usual eating habits. If you're invited to the follow-up studies, you'll be asked to eat specific breakfasts provided by the researchers on those particular days.
What will happen to my personal information?
All your information will be kept confidential and anonymised, meaning your name won't be linked to your answers or results.
How to find out more
Always speak to your GP or specialist before deciding to take part in a study.
Interested in taking part?
Discussion
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