▁the ▁brain . ▁C AT ▁sc ans ▁are ▁particularly ▁useful ▁for ▁determ ining ▁the ▁size ▁( volume ) ▁of ▁specific ▁structures ▁of ▁the ▁brain . ▁ ▁Global ▁connect ivity ▁A ▁ 2 0 1 2 ▁study ▁from ▁Washington ▁University , ▁St . ▁Louis ▁described ▁the ▁global ▁connect ivity ▁of ▁the ▁pre front al ▁cor tex . ▁Global ▁connect ivity ▁is ▁the ▁mechanism ▁by ▁which ▁components ▁of ▁the ▁front op ari etal ▁brain ▁network ▁might ▁coordinate ▁control ▁of ▁other ▁tasks . ▁Cole ▁et ▁al . ▁wrote ▁that : ▁ ▁" A ▁later al ▁pre front al ▁cor tex ▁( LP FC ) ▁region ' s ▁activity ▁was ▁found ▁to ▁predict ▁performance ▁in ▁a ▁high ▁control ▁demand ▁working ▁memory ▁task ▁and ▁also ▁to ▁exhib it ▁high ▁global ▁connect ivity . ▁Crit ically , ▁global ▁connect ivity ▁in ▁this ▁LP FC ▁region , ▁involving ▁connections ▁both ▁within ▁and ▁outside ▁the ▁front op ari etal ▁network , ▁showed ▁a ▁highly ▁select ive ▁relationship ▁with ▁individual ▁differences ▁in ▁fluid ▁intelligence ." ▁ ▁The ▁later al ▁pre front al ▁cor tex ▁is ▁a ▁region ▁of ▁interest ▁because ▁those ▁who ▁have ▁inj uries ▁to ▁that ▁part ▁of ▁the ▁brain ▁often ▁have ▁issues ▁with ▁common , ▁every ▁day ▁tasks ▁such ▁as ▁planning ▁their ▁day . ▁The ▁LP FC ▁is ▁thought ▁to ▁be ▁important ▁for ▁" c ogn itive ▁control ▁capacity ," ▁which ▁can ▁be ▁used ▁to ▁predict ▁future ▁out comes ▁such ▁as ▁success ▁in ▁school ▁and ▁the ▁work place . ▁It ▁was ▁found ▁by ▁van ▁den ▁He u vel ▁et ▁al