Breathing and Decision-Making (ProlEx-Context)

Inclusion Criteria: * 18- to 40-year-old men and women * Consent to participate * Fluent in German * Right-handed * Physically and mentally healthy without regular medication * Body-mass index of 18-25 kg/m2 * Alcohol consumption of less than 15 glasses a week (equivalent to one glass of wine/beer, a glass of higher-percentage alcohol counts as two glasses of beer) * No illegal drug consumption in the week previous to the experiment * No smoking * No competitive athletes * Normal day-night rhythm (no shift work) * Normal vision without required vision correction (i.e., glasses, contact lenses; ability to clearly read texts at a distance of up to 50 cm without vision aids) Exclusion Criteria: * Former or current illnesses of: * Brain or mind (including anxiety disorders, depression, eating disorders, personality disorders, alcohol, drugs or drug dependence, neurological disorders other than occasional headache, psychiatric or neurological abnormalities) * Heart or blood circulation * Lung Diseases * Other serious past or present medical conditions (for example, metabolic syndrome, diabetes) * Current medication and medication over a period of two weeks prior to the examination * Other serious health problems or present strong mental or physical stress * Current infection or excessive stress * Missing consent to receive information about incidental findings from the MRI * Tendency to claustrophobia, dizziness, or panic attacks * Wearing a non-removable pacemaker, defibrillat…