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Table 2 Effect of duration of x-ray exposure to head on motor control abilities. m/n denotes m animals behaving normally out of n animal trials. Asterisks denote partially limited response (e.g., slow response).

From: Real-time phase-contrast x-ray imaging: a new technique for the study of animal form and function

   Exposure time (min) with 25 keV x-rays, 80 μW/mm 2
Species Behavior 2 4 5 6 8 10 12 15 25 120+
Ant Righting 2/2 2/2   1/2 1*/2 2*/2 1*/2    
  Defense 2/2 2/2   1/2 1/2 1*/2 1*/2    
  Walking 2/2 2/2   2*/2 1*/2 0/2 0/2    
Fruit fly Righting 1/1 2/2   2/2 2/2 0/2 1*/2    
  Walking 1/1 2/2   2*/2 2*/2 0/2 1*/2    
  Flight 1/1 2/2   2/2 2/2 0/2 1*/2    
Beetle Righting    1/1    1/1   0/1 0/1  
  Walking    1/1    1*/1   1*/1 0/1  
  Running    1/1    1*/1   0/1 0/1  
Grasshopper Righting           2/2
  Hopping           2/2
  Flight           2/2