Fig. 5. Flow diagram of the participant population included in this study.
AR tasks were not finished because of the following reasons: (1) “Participant was unable to”: due to physical or cognitive problems the participant was unable to finish the test rounds successfully, (2) “Technical issues”: the app or device did not work as expected, (3) “Not enough time”: there was not enough time during the baseline visit to execute the tasks, (4) “Other reasons”: unspecified, unknown, or other reasons. AD Alzheimer’s disease, AR augmented reality, HC healthy control, RADAR-AD Remove Assessment of Disease and Relapse – Alzheimer’s Disease, preAD preclinical AD, proAD prodromal AD.