Cognition Intervention Study PLUS (CogniDO PLUS)

NCT02082444 | Completed

• 1 other identifier: CogPlus201314
• Study Type: interventional
• Target: 193
• Locations: 1 country
• Sites: 1

Brief Summary

Major aim of the Cognition Intervention Study Dortmund (CogniDo) was to add scientifically proven insights into cognitive effects of lunch to the existing recommendations for school meals in Germany. The Cognition Intervention Study Dortmund PLUS ties up to that aim. As an enhancement of CogniDo this study investigates the short-term effects of having school lunch versus skipping it on children's executive cognitive functions in the afternoon. The study was conducted in a comprehensive school in Gelsenkirchen (Germany) and included 215 children.

Conditions

Having Lunch; Omitting Lunch

Outcome Measures

Primary Outcomes (3)

• • Shifting

  Measuring global task-switching costs by a three-part computer trial. 1. Non-switch, or 'repeated' condition: The digits from 1 to 26 are presented to the participant in a random order with the task to put them in order. 2. Non-switch, or 'repeated' condition: The letters from A to Z are presented to the participant in a random order with the task to put them in order. 3. switch: the digits from 1 to 13 and the letters from A to M are presented to the participant in a random order with the task to put them in following order: digit (starting at 1), letter (starting at A), next higher digit, following letter etc.

  Participants were tested twice with one week wash out (1h after having/skipping lunch)

• • updating

  Continuous monitoring and quick addition or deletion of contents within the working memory A sequence of 106 items (pictures of fruit and vegetables) is shown to the participants. A reaction is required if the actual shown item was equal to the item shown in the second to last.

  Participants were tested twice with one week wash out (1h after having/skipping lunch)

• • inhibition

  In one item three superposed triangles are presented to the participants, each pointing independently either to the left or the right. In addition, only the triangle in the middle might have no top and, thus, neither pointing to the left nor the right. The participant is supposed to press the buttons left, right or no reaction according to the direction of the triangle in the middle. The outer triangles appear 0.5 ms before the one in the middle. In total, this trial consists of 102 items.

  Participants were tested twice with one week wash out (1h after having/skipping lunch)

Study Arms (1)

Having lunch/skipping lunch

EXPERIMENTAL

Lunch ad libitum on test day 1 and no lunch on test day 2. Water at libitum was constantly available on both days.

Other: Skipping lunch

Interventions

Skipping lunch OTHER

Also known as: Just water

Having lunch/skipping lunch

Eligibility Criteria

• Age: 10 Years - 13 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Child (0-17)

You may qualify if:

• All fifth and sixth grade students of Gesamtschule Berger Feld with the consent of parents and child

You may not qualify if:

• Metabolic diseases, epilepsy or special diet

Sponsors & Collaborators

• Research Institute of Child Nutrition, Dortmund: lead

Study Sites (1)

Research Institute of Child Nutrition, Dortmund

Dortmund, 44225, Germany

Location

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: NONE
• Intervention Model: CROSSOVER
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: March 6, 2014
• First Posted: March 10, 2014
• Study Start: November 1, 2013
• Primary Completion: December 1, 2013
• Last Updated: March 10, 2014

Record last verified: 2014-03

Locations

DE (1)