{"id":"S85021907","label":"Central nervous system--Aging","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85021907","normalized_label":"central nervous system--aging","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85021907","provider":"lcsh","revision":"f9fa7a2335aea10b","taxonomy_revision":"f050b5d4780b1289","title":"Central nervous system--Aging","url":"/topics/S85021907","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864845077330395716","address_version":"morton4x16-v1","coordinates":[0,20,17747,19456],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}