From: Differences in dual-task performance and prefrontal cortex activation between younger and older adults
Younger group
Older group
Dual-task
0.024 ± 0.056
0.049 ± 0.045
Calculation task
0.036 ± 0.047
0.037 ± 0.030
Stepping task
−0.015 ± 0.038
−0.015 ± 0.015