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Changes in parameters of the primary outcome (digit span test). (A) VST-F, (B) VST-B, (C) AST-F, and (D) AST-B. In the TSLET group, a significant time versus group interaction was observed for VST-B improvement (p=0.031). TSLET, task-specific lower extremity training; VST-F, visual digit span test forward; VST-B, visual digit span test backward; AST-F, auditory digit span test forward; AST-B, auditory digit span test backward.
