es ▁of ▁pre - n atal ▁test oster one ▁and ▁on ▁average ▁have ▁a ▁more ▁system ising ▁brain , ▁as ▁opposed ▁to ▁the ▁more ▁em path ising ▁female ▁brain . ▁He ▁suggests ▁that ▁aut istic ▁bra ins ▁show ▁an ▁ex agger ation ▁of ▁the ▁features ▁associated ▁with ▁male ▁bra ins . ▁These ▁are ▁mainly ▁size ▁and ▁connect ivity , ▁with ▁males ▁generally ▁having ▁a ▁larger ▁brain , ▁which ▁is ▁seen ▁in ▁an ▁ex agger ated ▁form ▁in ▁those ▁with ▁AS D . ▁Ind ividual s ▁with ▁AS D ▁were ▁found ▁to ▁have ▁w ides p read ▁ab normal ities ▁in ▁inter connect ivity ▁in ▁specific ▁brain ▁regions . ▁This ▁could ▁explain ▁the ▁different ▁results ▁on ▁em path y ▁tests ▁between ▁men ▁and ▁women ▁as ▁well ▁as ▁the ▁def ic ien cies ▁in ▁em path y ▁seen ▁in ▁AS D , ▁as ▁em path y ▁requires ▁several ▁brain ▁regions ▁to ▁be ▁activ ated ▁which ▁need ▁information ▁from ▁many ▁different ▁areas ▁of ▁the ▁brain . ▁Baron - C ohen ▁therefore ▁arg ues ▁that ▁gen etic ▁factors ▁play ▁a ▁role ▁in ▁aut ism ▁pre val ence ▁and ▁that ▁children ▁with ▁techn ically ▁mind ed ▁parents ▁are ▁more ▁likely ▁to ▁be ▁diagn osed ▁with ▁aut ism . ▁ ▁Im print ed ▁brain ▁theory ▁▁ ▁The ▁im print ed ▁brain ▁theory ▁suggests ▁genom ic ▁im print ing ▁is ▁at ▁least ▁partly ▁responsible ▁for ▁the ▁sex ▁differences ▁in ▁aut ism ▁and ▁imp licates ▁sch iz op hren ia ▁as ▁well , ▁referencing ▁the ▁fact ▁that ▁the ▁current ▁gen etic