▁aspects ▁of ▁the ▁Big ▁Five ▁factors : ▁Ne uro t ic ism : ▁Vol at ility ▁- ▁ir rit ability , ▁anger , ▁and ▁difficulty ▁cont rolling ▁emot ional ▁imp uls es ▁With draw al ▁- ▁sus cept ibility ▁to ▁anx iety , ▁worry , ▁de pression , ▁and ▁sad ness ▁Ag ree ab len ess : ▁Com pass ion ▁- ▁em path etic ▁emot ional ▁affili ation ▁Pol iten ess ▁- ▁consideration ▁and ▁respect ▁for ▁others ' ▁needs ▁and ▁des ires ▁Cons cient ious ness : ▁Indust ri ous ness ▁- ▁working ▁hard ▁and ▁avoid ing ▁dist raction ▁Order lin ess ▁- ▁organization ▁and ▁method ical ness ▁Ext ra version : ▁En th us ias m ▁- ▁positive ▁em otion ▁and ▁soci ability ▁Assert iveness ▁- ▁drive ▁and ▁domin ance ▁Op enn ess / Int el lect ▁( or ▁Op enn ess ▁to ▁Exper ience ): ▁Intel lect ▁- ▁ing enu ity , ▁quick ness , ▁and ▁intellectual ▁eng agement ▁Op enn ess ▁- ▁imagination , ▁fant asy , ▁and ▁art istic ▁and ▁a est h etic ▁interests ▁The ▁classification ▁system ▁util izing ▁these ▁ten ▁aspects ▁allows ▁for ▁nu anced ▁disc rim ination ▁within ▁the ▁Big ▁Five , ▁which ▁can ▁reve al ▁subt let ies ▁in ▁differences ▁in ▁person ality ▁domains ▁otherwise ▁und et ected . ▁ ▁Bi ological ▁Bas is ▁of ▁Person ality ▁De You ng ▁et ▁al .' s ▁( 2 0 1 0 ) ▁research ▁indicates ▁that ▁the ▁sizes ▁of ▁certain ▁brain ▁regions ▁are ▁related ▁to ▁four ▁of ▁the