___ Despite all the noise around brain train­ing, we must be care­ful not to con­fuse com­merce with sci­ence. It is impor­tant to remem­ber that the Fed­er­al Trade Com­mis­sion (FTC), which reg­u­lates mar­ket­ing claims and com­mu­ni­ca­tions in the Unit­ed States, issues legal rul­ings against spe­cif­ic com­mer­cial behaviors. In this recent rul­ing, the FTC iden­ti­fied sev­er­al decep­tive…