Effect of caffeine on attention and alertness as evaluated in an at home setting

Completed

Conditions: aandacht en alertheid
alertness
cognition

Registration Number: NL-OMON38931

Lead Sponsor: TNO

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Completed

Sex: Not specified

Target Recruitment: 50

Inclusion Criteria

Healthy as assessed by the:
- health and lifestyle questionnaire
2. Adult age (>18y)
3. Able to perform computerized tests
4. Voluntary participation
5. Having given written informed consent
6. Willing to comply with the study procedures
7. Moderate caffeine users
8. Willing to accept use of all nameless data, including publication, and the confidential use and storage of all data
9. Willing to accept the disclosure of the financial benefit of participation in the study to the authorities concerned

Exclusion Criteria

1. Having a history of medical or surgical events that may significantly affect the study outcome, including psychiatric disorders
2. Physical, mental or practical limitations in using computerized systems
3. Use of concomitant medication including medication known for its effects on mood and/or attention (anti-depressives, sleep medication, etc)
4. Alcohol consumption > 28 units/week for males and > 21 units (drinks)/week for females
5. TNO personnel location Zeist or Soesterberg, their partner and their first and second-generation relatives
6. Not having a general practitioner
7. Not willing to accept information-transfer concerning participation in the study, or information regarding his/her health. For example, findings at health and lifestyle questionnaire interview, and eventual adverse events communicated to and from their general practitioner

Study & Design

Study Type: Interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>Effects on alertness and attention will be established by three computerized<br /><br>tests provided by Quantified Mind. The tests will be performed by the subjects<br /><br>at t=0 (baseline, prior to coffee consumption) and t=1h in one go. Each test<br /><br>will be performed during 5 minutes. During the training session the<br /><br>participants will be instructed to get acquainted with the task. </p><br>

Secondary Outcome Measures