standard MRI research without direct medical applications no diseases this research utilizes brain imaging techniques with healthy participants only
Conditions
Interventions
None listed
Sponsors
Universiteit Leiden
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: Healthy young adults (18-30 years old) with normal vision.
Exclusion criteria
Exclusion criteria: Significant history of head trauma, premature birth, learning disabilities, neurological or psychiatric illness. Heart arrhythmia, glaucoma, congenital eye diseases, hyperopia, myopia, hypertension and use of anti-depressants or psychotropic medication and possible pregnancy (in adult females). MRI contra-indications, including metal implants and claustrophobia. Smoking more than five cigarettes a day * to avoid nicotine withdrawal effects during the study. Alcohol consumption
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Brain activation as measured by fMRI, particularly the difference between participants prefer-ring a complex vs. simple decision strategy. Prestimulus pupil size, and pupil size changes to task stimuli, particularly the differences in these measures between participants preferring a complex vs. simple decision strategy. | — |
Countries
Netherlands
Outcome results
None listed