in 21 als brains studied ( 20 sporadic , 1 familial ) , abnormal patterns were found in the frontal cortex ( 81 % ) , temporal cortex ( 75 % ) , motor cortex ( 70 % ) , and parahippocampal gyrus cortex ( 71 % ) .
C0228249
parahippocampal gyrus
C0007776
cortex