▁task ▁force ▁adds , ▁" This ▁dimension ▁has ▁been ▁placed ▁first ▁in ▁the ▁P DM ▁system ▁because ▁of ▁the ▁accum ulating ▁evidence ▁that ▁sympt oms ▁or ▁problems ▁cannot ▁be ▁understood , ▁ass essed , ▁or ▁treated ▁in ▁the ▁absence ▁of ▁an ▁understanding ▁of ▁the ▁mental ▁life ▁of ▁the ▁person ▁who ▁has ▁the ▁sympt oms ". ▁ ▁In ▁other ▁words , ▁a ▁list ▁of ▁sympt oms ▁characteristic ▁of ▁a ▁diagn osis ▁does ▁not ▁ade qu ately ▁inform ▁a ▁clin ician ▁how ▁to ▁understand ▁and ▁treat ▁the ▁sympt oms ▁without ▁proper ▁context . ▁ ▁By ▁anal ogy , ▁if ▁a ▁patient ▁went ▁to ▁her ▁phys ician ▁compla ining ▁of ▁water ing ▁eyes ▁and ▁a ▁run ny ▁nose , ▁the ▁sympt oms ▁alone ▁do ▁not ▁indicate ▁the ▁appropriate ▁treatment . ▁ ▁Her ▁sympt oms ▁could ▁be ▁a ▁function ▁of ▁season al ▁all erg ies , ▁a ▁b acter ial ▁sin us ▁in fection , ▁the ▁common ▁cold , ▁or ▁she ▁may ▁have ▁just ▁come ▁from ▁her ▁grand m other ' s ▁fun eral . ▁ ▁The ▁doctor ▁might ▁treat ▁all erg ies ▁with ▁an ▁anti his am ine , ▁the ▁sin us ▁in fection ▁with ▁ant ib iot ics , ▁the ▁cold ▁with ▁z inc , ▁and ▁give ▁her ▁patient ▁a ▁Kle en ex ▁t issue ▁after ▁the ▁fun eral . ▁ ▁All ▁four ▁conditions ▁may ▁have ▁very ▁similar ▁sympt oms ; ▁all ▁four ▁condition ▁are ▁treated ▁very ▁differently . ▁ ▁Dim ension ▁II : ▁M ental ▁Function ing ▁ ▁Next , ▁the ▁P DM ▁provides