Media type: E-Article Title: P1‐525: AMYLOID AGGREGATION IS ASSOCIATED WITH DECLINE ON DIGIT SPAN BACKWARD IN COGNITIVELY NORMAL ELDERLY MONOZYGOTIC TWINS Contributor: Tomassen, Jori; den Braber, Anouk; Konijnenberg, Elles; ten Kate, Mara; Mulder, Sandra D.; Teunissen, Charlotte E.; Boomsma, Dorret I.; Scheltens, Philip; Visser, Pieter Jelle Published: Wiley, 2018 Published in: Alzheimer's & Dementia, 14 (2018) 7S_Part_9 Language: English DOI: 10.1016/j.jalz.2018.06.536 ISSN: 1552-5260; 1552-5279 Keywords: Psychiatry and Mental health ; Cellular and Molecular Neuroscience ; Geriatrics and Gerontology ; Neurology (clinical) ; Developmental Neuroscience ; Health Policy ; Epidemiology Origination: Footnote: