Fig. 4

Pre-FT and Post-FT performance comparison. Pre-FT performance scores of each participant (red circles lined by red lines), Pre-FT average performance scores 12.76 ± 3.96 (red stars). Post-FT performance scores of each participant (blue circles lined by red lines), Post-FT average performance scores 18.07 ± 3.24 (blue stars). The significance of the difference between Pre-FT and Post-FT is p ≤ 0.01