NCT01555385CompletedNot Applicable
The Effects of Nutritive and Non-nutritive Breakfast on Subjective Mental Workload During Multitasking - a Pilot Study in Healthy Volunteers
Conditions
Trial Snapshot
- Phase
- Not Applicable
- Status
- Completed
- Sponsor
- University of Helsinki
- Enrollment
- 13
- Locations
- 2
- Primary Endpoint
- Brain measures of mental workload (ERP 300 amplitude and latency) and heart rate
Study Overview
Brief Summary
The aim of the study is to investigate the influence of nutritive (high-protein or high-carbohydrate) and non-nutritive (low energy) breakfast on psychological and physiological responses of mental workload during multitasking in healthy volunteers.
Study Design
- Study Type
- Interventional
- Allocation
- Randomized
- Intervention Model
- Crossover
- Primary Purpose
- Basic Science
- Masking
- Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Eligibility Criteria
- Ages
- 22 Years to 45 Years (Adult)
- Sex
- All
- Accepts Healthy Volunteers
- Yes
Inclusion Criteria
- •eats usually breakfast
- •use computer mouse with right hand
- •normal sleep-wake rhythm between 9 pm and 8 am
- •in females hormonal contraception
Exclusion Criteria
- •gastrointestinal disease, diabetes or any other significant major medical morbidity
- •milk allergy
- •lactose intolerance
- •excess use of alcohol, coffee, tea, cola drinks (> 10 doses/day)
- •pregnancy and breast feeding
- •no medication or dietary supplements influencing measured responses
- •BMI > 30 kg/m2 or < 18 kg/m2
Outcomes
Primary Outcomes
Brain measures of mental workload (ERP 300 amplitude and latency) and heart rate
Time Frame: 1 day
Secondary Outcomes
- Subjective mental workload and mood measurement assessed using visual analogue scale in response to test meal.(1 day)
- cognitive function measurements(1 day)
- Blood concentration of glucose(1 day)
- salivary cortisol(1 day)
- Blood concentration of tryptophan in relation to other large neutral amino acids(1 day)
Investigators
Katri Peuhkuri
Principal investigator, postdoctoral reseacher, authorized nutritionist
University of Helsinki
Study Sites (2)
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