The anatomical structure of the barrels is only affected by lesioning elements of the pathway .
Innocuous forms of deprivation can induce rapid changes in the cortical map into adulthood , without any corresponding changes in the barrel structures .
The anatomical structure of the barrels is only affected by lesioning elements of the pathway , but innocuous forms of deprivation can induce rapid changes in the cortical map into adulthood , without any corresponding changes in the barrel structures .