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Completed

NCT Number: NCT01555385

The Effects of Breakfast on Mental Workload

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.

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Key information

Conditions

Healthy Subjects

Age range

22 year–45 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

University of Helsinki, Institute of Biomedicine

Helsinki, 00014, Finland

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

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
  • smoking
  • 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

Treatment and study plan

Breakfast juice

Dietary Supplement

single dose (300 ml) in the morning of study day, 3 separate sessions (high-protein vs. high-carbohydrate vs. low-calorie juice), total duration 3 weeks

Primary outcomes

  1. Brain measures of mental workload (ERP 300 amplitude and latency) and heart rate

    Time frame: 1 day

Secondary outcomes

  1. Subjective mental workload and mood measurement assessed using visual analogue scale in response to test meal.

    Time frame: 1 day

  2. cognitive function measurements

    Time frame: 1 day

  3. Blood concentration of glucose

    Time frame: 1 day

  4. salivary cortisol

    Time frame: 1 day

  5. Blood concentration of tryptophan in relation to other large neutral amino acids

    Time frame: 1 day

Sponsors and collaborators

Lead sponsor

University of Helsinki

Other

Collaborators

  • Finnish Institute of Occupational Health
  • SalWe Ltd.

Registry information

Official study title

The Effects of Nutritive and Non-nutritive Breakfast on Subjective Mental Workload During Multitasking - a Pilot Study in Healthy Volunteers

Acronym: AivoPro1

Important dates

Study start
2011
Primary completion
2012
Study completion
2013
First posted
Mar 15, 2012
Registry last updated
Mar 6, 2013

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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