Rich Man, Poor Man: Socioe­co­nom­ic Adver­si­ty and Brain Devel­op­ment (Cere­brum): “..While ear­ly expo­sure to addi­tion­al lan­guages or music may lead to ben­e­fi­cial changes in brain devel­op­ment, ear­ly adver­si­ty can like­wise have impor­tant but detri­men­tal effects on the brain. For exam­ple, by 10 years of age, fam­i­ly SES is an excel­lent pre­dic­tor of a child’s cog­ni­tive abil­i­ties:…