▁physical ▁and ▁ ether ic ) ▁ ▁The ▁sch ism ▁ ▁Up ▁until ▁the ▁middle ▁of ▁the ▁ 1 9 th ▁century , ▁following ▁the ▁pione ering ▁work ▁of ▁Brown , ▁H ahn emann , ▁Rö sch la ub , ▁L ut ze ▁and ▁Schön lein , ▁to ▁mention ▁only ▁the ▁main ▁figures , ▁the ▁scientific ▁approach ▁to ▁the ▁question ▁of ▁life , ▁particularly ▁as ▁reflected ▁in ▁the ▁development ▁of ▁Health care , ▁seemed ▁condu ci ve ▁to ▁the ▁development ▁of ▁a ▁method ▁that ▁was ▁based ▁on ▁a ▁cogn itive ▁capacity ▁going ▁beyond ▁mere ▁ment ation ▁( S inn ▁or ▁mens ) ▁and ▁a ▁true ▁phys i ology ▁involving ▁living ▁functions ▁rather ▁than ▁simply ▁mechan ics ▁and ▁chem istry . ▁However , ▁it ▁seemed ▁that ▁the ▁Zeit ge ist ▁( Sp irit ▁of ▁the ▁Times ) ▁could ▁not ▁yet ▁accept ▁such ▁an ▁approach , ▁most ▁minds ▁being ▁still ▁fully ▁ens con ced ▁in ▁the ▁intellectual ▁phase ▁( Col er idge ' s ▁" ep och ▁of ▁the ▁intellect ▁and ▁the ▁sens es ") ▁of ▁human ▁conscious ness . ▁It ▁was ▁only ▁the ▁extraordinary ▁mind ▁of ▁genius ▁that ▁was ▁able ▁at ▁this ▁stage ▁to ▁meet ▁the ▁challenge ▁of ▁a ▁true ▁science ▁of ▁life ▁and ▁mind , ▁what ▁Col erd ige ▁term ed ▁the ▁“ Dynamic ▁System ▁of ▁Th ought .” ▁ ▁As ▁a ▁result , ▁the ▁analyt ical ▁approach ▁fav ored ▁by ▁the ▁French , ▁sch oo led ▁in ▁the ▁Cart esian ▁system ▁of ▁mind - body ▁du ality , ▁and ▁with ▁their ▁significant