highly significantp<.001
In the M1 cortex, this increase in neuronal density was accompanied by a highly significant thinning of both the M1 (F(Genotype) 1,31 = 67.164, p<.001; Fig. 7F ) and somatosensory (S1) cortex (F(Genotype) 1,30 = 41.368, p<.001).