Fig. 2From: Development of a smartphone screening test for preclinical Alzheimer’s disease and validation across the dementia continuumExample of an instruction screen in TAS Test for a finger tapping task [38]. The video instructions are on the left, the text instructions on the right, with the audio icon underneath (so participants can listen to the instructions if preferred). When the participant is ready to attempt the task, they press the ‘Next’ button to move on to the ‘recording’ screen. The green circles above the written instructions show the participant their progress through the various tasksBack to article page