Fig. 1
From: Long COVID: lung pathophysiology and its relationship with cognitive dysfunction
Study visit timeline. Chronological order of a participant study visit. Participants began with PFT, PROMIS, and NIHTB-CB. Then brain imaging was performed, followed by 129Xe MRI. Abbreviations: PFT = pulmonary function testing; PROMIS = Patient-Reported Outcomes Measurement Information System; NIHTB-CB = National Institute of Health Toolbox Cognition Battery; MPRAGE = magnetization prepared rapid gradient echo; ASL = arterial spin labeling; FLAIR = fluid attenuating inversion recovery; DTI = diffusion tensor imaging; MRI = magnetic resonance imaging.
