aandacht en alertheid alertness cognition
Conditions
Interventions
Subjects have to consume a cup of coffee after an overnight fast. Coffee will
be prepared from a powder coffee containing either regular coffee or decaf
coffee.
Sponsors
TNO
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
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
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
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Effects on alertness and attention will be established by three computerized tests provided by Quantified Mind. The tests will be performed by the subjects at t=0 (baseline, prior to coffee consumption) and t=1h in one go. Each test will be performed during 5 minutes. During the training session the participants will be instructed to get acquainted with the task. | — |
Secondary
| Measure | Time frame |
|---|---|
| Adverse events | — |
Countries
Netherlands
Outcome results
None listed