text: Individual tracts 
  Gestation + postpartum 
  L arcuate fasciculus  Corpus Callosum 
  
  2  2 
  
  1  1 
  
  0  0 
  
  ) 
  d 
  e 
  r 
  e 
  t 
  n 
  e 
  c 
  o 
  r 
  e 
  z 
  ( 
  
  –1 
  
  –2 
  
  Pre  1st  2nd  3rd  Post  Pre  1st  2nd  3rd  Post 
  
  y 
  p 
  o 
  r 
  t 
  o 
  s 
  i 
  n 
  a 
  e 
  v 
  i 
  t 
  a 
  t 
  i 
  t 
  n 
  a 
  u 
  Q 
  
  R inf. fronto occipital fasc.  L inf. longitudinal fasc. 
  
  2 
  
  1 
  
  0  0 
  
  –1  –1 
  
  –2  –2 
  
  Pre  1st  2nd  3rd  Post 
  Stage 