▁them . ▁Per verse ▁sexual ity ▁is ▁as ▁a ▁rule ▁excell ently ▁cent red : ▁all ▁its ▁activities ▁are ▁directed ▁to ▁an ▁aim — us ually ▁a ▁single ▁one ; ▁one ▁component ▁instinct ▁has ▁gained ▁the ▁upper ▁hand ... In ▁that ▁respect ▁there ▁is ▁no ▁difference ▁between ▁per verse ▁and ▁normal ▁sexual ity ▁other ▁than ▁the ▁fact ▁that ▁their ▁domin ating ▁component ▁instinct s ▁and ▁consequ ently ▁their ▁sexual ▁a ims ▁are ▁different . ▁In ▁both ▁of ▁them , ▁one ▁might ▁say , ▁a ▁well - organ ized ▁ty ran ny ▁has ▁been ▁established , ▁but ▁in ▁each ▁of ▁the ▁two ▁a ▁different ▁family ▁has ▁seized ▁the ▁re ins ▁of ▁power '. ▁ ▁A ▁few ▁years ▁later , ▁in ▁" A ▁Child ▁is ▁Being ▁Be aten " ▁( 1 9 1 9 ), ▁Fre ud ▁laid ▁greater ▁stress ▁on ▁the ▁fact ▁that ▁per versions ▁" go ▁through ▁a ▁process ▁of ▁development , ▁that ▁they ▁represent ▁an ▁end - product ▁and ▁not ▁an ▁initial ▁manifest ation ▁... ▁that ▁the ▁sexual ▁aber r ations ▁of ▁child hood , ▁as ▁well ▁as ▁those ▁of ▁m ature ▁life , ▁are ▁ram ifications ▁of ▁the ▁same ▁complex " — the ▁O ed ip us ▁complex . ▁Otto ▁Fen ich el ▁took ▁up ▁the ▁point ▁about ▁the ▁def ensive ▁function ▁of ▁per versions — of ▁" ex per ien ces ▁of ▁sexual ▁satisf actions ▁which ▁simultaneously ▁gave ▁a ▁feeling ▁of ▁security ▁by ▁den ying ▁or ▁contradict ing ▁some ▁fear "; ▁adding ▁that ▁while ▁" some ▁people ▁think ▁that ▁per