▁since ▁exactly ▁half ▁of ▁those ▁with ▁the ▁not ches ▁were ▁" as ym pt om atic ." ▁The ▁reason ▁for ▁occurrence ▁of ▁these ▁signs ▁in ▁half ▁of ▁the ▁population ▁affected ▁must ▁have ▁been ▁the ▁later ality ▁of ▁the ▁hem is phere ▁har bor ing ▁the ▁tum or , ▁not ▁the ▁presence ▁or ▁absence ▁of ▁a ▁not ch ▁resulting ▁from ▁the ▁tum or ▁( which ▁was ▁a ▁fact ▁present ▁in ▁all ▁cases ). ▁ ▁We ▁now ▁know ▁that ▁influ ences ▁of ▁the ▁hem is phere ▁of ▁speech ▁( i . e . ▁the ▁command ▁center , ▁major ▁hem is phere ) ▁on ▁the ▁other ▁hem is phere ▁( the ▁minor ) ▁is ▁exc itat ory ▁and ▁via ▁the ▁cor pus ▁call os um . ▁Therefore , ▁only ▁those ▁cases ▁with ▁tum ors ▁in ▁the ▁major ▁hem is phere ▁suffered ▁de af fer entation ▁of ▁the ▁contr al ater al ▁( min or ) ▁hem is phere ; ▁rendering ▁it ▁non function al , ▁causing ▁appearance ▁of ▁signs ▁on ▁the ▁same ▁side ▁as ▁the ▁tum or . ▁Those ▁with ▁tum ors ▁in ▁the ▁n ond omin ant ▁hem is phere ▁( min or ) ▁did ▁not ▁have ▁i ps il ater al ▁signs ▁as ▁there ▁is ▁no ▁motor ▁communication ▁from ▁the ▁minor ▁to ▁the ▁major ▁hem is phere ▁to ▁cause ▁de af fer entation ▁of ▁the ▁major ▁hem is phere ▁( d ias ch isis ) ▁( see ▁www . m im ick ing man . com , ▁for ▁details ). ▁ ▁Notes ▁ ▁Car