Select challenge from Protocol channel 8, then go File, Save Selection as and keep it as subfolder in the W: Raw\subject's Phys\Challenge.
Select 1 minute before and after the challenge.
example challenge: Rest here. Rest should include the 90 seconds before the actual rest protocol. Then do subsequent selections of Stroop, HandGrip, Inspiratory Loading, Breathhold, Valsalva.
Rest selection from the Protocol channel (#8)
I minute before and after the challenge
For certain challenges like stroop, handgrip, inspiratory, breath hold and valsava there will be 30 s relax period, select another 30 sec before that. Once three events in a challenge done, followed by recovery then take 1 minute after for separating challenges