▁ ▁Eric ▁Ber ne ▁in ▁his ▁first , ▁ps y cho anal yt ic ▁work , ▁maintained ▁that ▁" some ▁of ▁the ▁most ▁interesting ▁and ▁soci ally ▁useful ▁disp lac ements ▁of ▁lib ido ▁occur ▁when ▁both ▁the ▁aim ▁and ▁the ▁object ▁are ▁partial ▁substitution s ▁for ▁the ▁bi ological ▁aim ▁and ▁object ... sub lim ation ". ▁ ▁Lac an ▁ ▁In ▁ 1 9 5 7 , ▁Jacques ▁Lac an , ▁inspired ▁by ▁an ▁article ▁by ▁lingu ist ▁Roman ▁Jakob son ▁on ▁met ap hor ▁and ▁met onym y , ▁argued ▁that ▁the ▁un cons cious ▁has ▁the ▁structure ▁of ▁a ▁language , ▁linking ▁disp lacement ▁to ▁the ▁po etic ▁function ▁of ▁met onym y , ▁and ▁cond ens ation ▁to ▁that ▁of ▁met ap hor . ▁ ▁As ▁he ▁himself ▁put ▁it , ▁" in ▁the ▁case ▁of ▁V ersch ieb ung , ▁' dis p lacement ', ▁the ▁German ▁term ▁is ▁closer ▁to ▁the ▁idea ▁of ▁that ▁ve ering ▁off ▁of ▁sign ification ▁that ▁we ▁see ▁in ▁met onym y , ▁and ▁which ▁from ▁its ▁first ▁appearance ▁in ▁Fre ud ▁is ▁represented ▁as ▁the ▁most ▁appropriate ▁means ▁used ▁by ▁the ▁un cons cious ▁to ▁fo il ▁c ensor ship ". ▁ ▁Ag gression ▁ ▁The ▁ag gress ive ▁drive ▁– ▁known ▁as ▁mort ido ▁– ▁may ▁be ▁disp la ced ▁quite ▁as ▁much ▁as ▁the ▁lib id inal ▁- ▁the ▁sex ▁drive . ▁Business ▁or ▁athlet ic ▁competition , ▁or ▁hunting , ▁for ▁instance , ▁offer ▁pl ent iful