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. 2023 Jan 27;7:e40188. doi: 10.2196/40188

Figure 1.

Figure 1

Smartphone-adapted complex span tasks. (A) Ultra-brief rotation span task (“amb-RSpan”). (B) Ultra-brief operation span task (“amb-OSpan”). (C) Ultra-brief symmetry span task (“amb-SSpan”). Images presented in the figure are screen captures of each task as presented via the Mobile Monitoring of Cognitive Change (“M2C2”) mobile app used in studies 2 and 3.