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Table 1 Values representing task performance (AE Peak and AE Valley ), GF scaling (GF/LF), and GF-LF coupling (r max and time lag) in targeting and tracking feedback conditions performed at 0.77 Hz and 1.53 Hz

From: Grip and load force coordination in cyclical isometric manipulation task is not affected by the feedback type

   AEPeak(N) AEValley(N) GF/LF Time lag (ms) rmax
Targeting 0.77 Hz 0.653b 0.596 0.779 b 4.89 0.974 a
   (0.077) (0.074) (0.055) (3.25)  
  1.53 Hz 0.753a 0.552 0.882 a 9.27 0.962 b
   (0.051) (0.056) (0.046) (4.42)  
Tracking 0.77 Hz 0.573b 0.491 0.738b 6.04 0.98 a
   (0.041) (0.058) (0.053) (3.17)  
  1.53 Hz 0.733a 0.461 0.95a 9.22 0.947 b
   (0.052) (0.056) (0.06) (3.46)  
  1. Note: Means and respective standard errors are shown for the first four variables and median values are shown for rmax. Also, "a" significantly greater than "b".