▁R . ▁Ch ac ón ▁International ▁School . ▁ ▁References ▁ ▁External ▁links ▁ ▁Or al ▁History ▁Inter view ▁with ▁A lic ia ▁Ch ac ón , ▁ 1 9 9 6 ▁A lic ia ▁Ros enc r ans ▁Ch ac ón ▁( 2 0 1 3 ▁video ) ▁Inter view ▁with ▁A lic ia ▁Ch ac ón ▁( 2 0 1 5 ) ▁ ▁Category : 1 9 3 8 ▁birth s ▁Category : L iving ▁people ▁Category : Pe ople ▁from ▁El ▁Pas o , ▁Texas ▁Category : El ▁Pas o ▁City ▁Council ▁members ▁Category : American ▁jud ges ▁of ▁Mexican ▁descent ▁Category : W omen ▁in ▁Texas ▁politics ▁Category : W omen ▁city ▁coun c ill ors ▁in ▁the ▁United ▁States <0x0A> </s> ▁The ▁ph on ological ▁def ic it ▁hypothesis ▁is ▁a ▁pre val ent ▁cogn itive - level ▁explanation ▁for ▁the ▁cause ▁of ▁reading ▁difficulties ▁and ▁d ys lex ia . ▁It ▁st ems ▁from ▁evidence ▁that ▁individuals ▁with ▁d ys lex ia ▁tend ▁to ▁ ▁do ▁poor ly ▁on ▁tests ▁which ▁measure ▁their ▁ability ▁to ▁decode ▁n ons ense ▁words ▁using ▁conventional ▁ph on etic ▁rules , ▁and ▁that ▁there ▁is ▁a ▁high ▁correlation ▁between ▁difficulties ▁in ▁connecting ▁the ▁sounds ▁of ▁language ▁to ▁letters ▁and ▁reading ▁del ays ▁or ▁failure ▁in ▁children . ▁ ▁The ▁basic ▁hypothesis ▁is ▁that ▁reading ▁failure ▁or ▁d ys lex ia ▁st ems ▁from ▁a ▁functional ▁or ▁struct ural ▁def ic it ▁in ▁left ▁hem is pher ic ▁brain ▁areas ▁associated ▁with