TABLE 2.

Overview of the number of data sets included in the analyses for the different outcomes.

fMRI-Study
Analysis	Datasets analyzed	Reasons for exclusion
Primary Outcome:
fMRI	50	5 datasets were excluded due to strong movement and/or excessive levels of global signal fluctuations
Secondary Outcomes:
Questionnaires	50
Respiration	44	6 additional datasets were excluded due to significant signal loss and artifacts
Heart rate and Heart rate variability	42	8 additional datasets were excluded due to significant signal loss and artifacts

Note that for the secondary outcomes only the 50 participants included in the primary outcome analyses were considered.