Alzheimer's disease facts and figures. (2023). Alzheimer's & Dementia, 19(4), 1598–1695. https://doi.org/10.1002/alz.13016.

Jessen F, Amariglio RE, van Boxtel M, Breteler M, Ceccaldi M, Chételat G, Dubois B, Dufouil C, Ellis KA, van der Flier WM, Glodzik L, van Harten AC, de Leon MJ, McHugh P, Mielke MM, Molinuevo JL, Mosconi L, Osorio RS, Perrotin A, Wagner M. A conceptual framework for research on subjective cognitive decline in preclinical Alzheimer’s disease. Alzheimers & Dementia. 2014;10(6):844–52. https://doi.org/10.1016/j.jalz.2014.01.001.

Article  Google Scholar 

Mitchell AJ, Beaumont H, Ferguson D, Yadegarfar M, Stubbs B. Risk of dementia and mild cognitive impairment in older people with subjective memory complaints: meta-analysis. Acta Psychiatr Scand. 2014;130(6):439–51. https://doi.org/10.1111/acps.12336.

Article  CAS  PubMed  Google Scholar 

Visser PJ, Verhey F, Knol DL, Scheltens P, Wahlund LO, Freund-Levi Y, Tsolaki M, Minthon L, Wallin AK, Hampel H, Bürger K, Pirttila T, Soininen H, Rikkert MO, Verbeek MM, Spiru L, Blennow K. Prevalence and prognostic value of CSF markers of Alzheimer’s disease pathology in patients with subjective cognitive impairment or mild cognitive impairment in the DESCRIPA study: a prospective cohort study. The Lancet Neurology. 2009;8(7):619–27. https://doi.org/10.1016/S1474-4422(09)70139-5.

Article  PubMed  Google Scholar 

Albert MS, DeKosky ST, Dickson D, Dubois B, Feldman HH, Fox NC, Gamst A, Holtzman DM, Jagust WJ, Petersen RC, Snyder PJ, Carrillo MC, Thies B, Phelps CH. The diagnosis of mild cognitive impairment due to Alzheimer’s disease: recommendations from the National Institute on Aging-Alzheimer’s Association workgroups on diagnostic guidelines for Alzheimer’s disease. Alzheimers Dementia. 2011;7(3):270–9. https://doi.org/10.1016/j.jalz.2011.03.008.

Article  Google Scholar 

McKhann GM, Knopman DS, Chertkow H, Hyman BT, Jack CR Jr, Kawas CH, Klunk WE, Koroshetz WJ, Manly JJ, Mayeux R, Mohs RC, Morris JC, Rossor MN, Scheltens P, Carrillo MC, Thies B, Weintraub S, Phelps CH. The diagnosis of dementia due to Alzheimer’s disease: Recommendations from the National Institute on Aging-Alzheimer’s Association workgroups on diagnostic guidelines for Alzheimer’s disease. Alzheimers Dement. 2011;7(3):263–9. https://doi.org/10.1016/j.jalz.2011.03.005.

Article  PubMed  Google Scholar 

Beardsall L, Huppert FA. Improvement in NART word reading in demented and normal older persons using the Cambridge Contextual Reading Test. J Clin Exp Neuropsychol. 1994;16(2):232–42. https://doi.org/10.1080/01688639408402634.

Article  CAS  PubMed  Google Scholar 

Blair JR, Spreen O. Predicting premorbid IQ: A revision of the national adult reading test. Clinical Neuropsychologist. 1989;3(2):129–36. https://doi.org/10.1080/13854048908403285.

Article  Google Scholar 

Del Ser T, González-Montalvo JI, Martı́nez-EspinosaDelgado-VillapalosBermejo SCF. Estimation of Premorbid Intelligence in Spanish People with the Word Accentuation Test and Its Application to the Diagnosis of Dementia. Brain Cogn. 1997;33(3):343–56. https://doi.org/10.1006/brcg.1997.0877.

Article  PubMed  Google Scholar 

Grober E, Sliwinski M. Development and validation of a model for estimating premorbid verbal intelligence in the elderly. J Clin Exp Neuropsychol. 1991;13(6):933–49. https://doi.org/10.1080/01688639108405109.

Article  CAS  PubMed  Google Scholar 

Nelson, H. E. (1982). Nelson Adult Reading Test manual. The National Hospital for Nervous Disease.

Nelson, H. E. (1982). National Adult Reading Test (NART): For the assessment of premorbid intelligence in patients with dementia: Test manual. Windsor: NFER-Nelson.

Schmand B, Bakker D, Saan R, Louman J. De Nederlandse Leestest voor Volwassenen: een maat voor het premorbide intelligentieniveau [The Dutch Reading Test for Adults: a measure of premorbid intelligence level]. Tijdschr Gerontol Geriatr. 1991;22(1):15–9.

CAS  PubMed  Google Scholar 

Vaskinn A, Sundet K. Estimering av premorbid IQ: En norsk versjon av National Adult Reading Test/Estimating premorbid IQ: A Norwegian version of National Adult Reading Test. Tidsskrift for Norsk Psykologforening. 2001;38(12):1133–40.

Google Scholar 

Alves L, Simões MR, Martins C. The estimation of premorbid intelligence levels among Portuguese speakers: the Irregular Word Reading Test (TeLPI). Arch Clin Neuropsychol. 2012;27(1):58–68. https://doi.org/10.1093/arclin/acr103.

Article  PubMed  Google Scholar 

Ginsberg JP, Risser AH, Purisch AD, Hamilton W, Burns TG. BOOK AND TEST REVIEWS Applied Neuropsychology. 2003;10(3):182–90. https://doi.org/10.1207/S15324826AN1003_08.

Article  Google Scholar 

Mackinnon A, Mulligan R. Estimation de l’intelligence prémorbide chez les francophones [The estimation of premorbid intelligence levels in French speakers]. L’Encephale. 2005;31(1 Pt 1):31–43. https://doi.org/10.1016/s0013-7006(05)82370-x.

Article  CAS  PubMed  Google Scholar 

Matsuoka K, Uno M, Kasai K, Koyama K, Kim Y. Estimation of premorbid IQ in individuals with Alzheimer’s disease using Japanese ideographic script (Kanji) compound words: Japanese version of National Adult Reading Test. Psychiatry and Clinical Neuroscience. 2006;60(3):332–9. https://doi.org/10.1111/j.1440-1819.2006.01510.x.

Article  Google Scholar 

Rolstad S, Nordlund A, Gustavsson MH, Eckerström C, Klang O, Hansen S, Wallin A. The Swedish National Adult Reading Test (NART-SWE): a test of premorbid IQ. Scand J Psychol. 2008;49(6):577–82. https://doi.org/10.1111/j.1467-9450.2008.00677.x.

Article  PubMed  Google Scholar 

Starkey NJ, Halliday T. Development of the New Zealand Adult Reading Test (NZART): Preliminary findings. N Z J Psychol. 2011;40(3):129–41.

Google Scholar 

Tallberg I-M, Wenneborg K, Almkvist O. Reading words with irregular decoding rules: A test of premorbid cognitive function? Scand J Psychol. 2006;47(6):531–9. https://doi.org/10.1111/j.1467-9450.2006.00547.x.

Article  PubMed  Google Scholar 

Yi D, Seo EH, Han JY, Sohn BK, Byun MS, Lee JH, Choe YM, Ahn S, Woo JI, Jun J, Lee DY. Development of the Korean Adult Reading Test (KART) to estimate premorbid intelligence in dementia patients. PLoS ONE. 2017;12(7): e0181523. https://doi.org/10.1371/journal.pone.0181523.

Article  CAS  PubMed  PubMed Central  Google Scholar 

Nelson HE, McKenna P. The Use of Current Reading Ability in the Assessment of Dementia. British Journal of Social and Clinical Psychology. 1975;14(3):259–67. https://doi.org/10.1111/j.2044-8260.1975.tb00178.x.

Article  CAS  PubMed  Google Scholar 

Horn JL, Cattell RB. Refinement and test of the theory of fluid and crystallized general intelligences. J Educ Psychol. 1966;57(5):253–70. https://doi.org/10.1037/h0023816.

Article  CAS  PubMed  Google Scholar 

Sternberg RJ, Kaufman SB. The Cambridge Handbook of Intelligence. Cambridge University Press. 2011. https://doi.org/10.1017/CBO9780511977244.

Article  Google Scholar 

Aichele S, Rabbitt P, Ghisletta P. Life span decrements in fluid intelligence and processing speed predict mortality risk. Psychol Aging. 2015;30(3):598–612. https://doi.org/10.1037/pag0000035.

Article  PubMed  Google Scholar 

McArdle JJ, Ferrer-Caja E, Hamagami F, Woodcock RW. Comparative longitudinal structural analyses of the growth and decline of multiple intellectual abilities over the life span. Dev Psychol. 2002;38(1):115–42. https://doi.org/10.1037/0012-1649.38.1.115.

Article  PubMed  Google Scholar 

Nelson HE, O’Connell A. Dementia: the estimation of premorbid intelligence levels using the New Adult Reading Test. Cortex. 1978;14(2):234–44. https://doi.org/10.1016/s0010-9452(78)80049-5.

Article  CAS  PubMed  Google Scholar 

Bright P, Hale E, Gooch VJ, Myhill T, van der Linde I. The National Adult Reading Test: restandardisation against the Wechsler Adult Intelligence Scale—Fourth edition. Neuropsychol Rehabil. 2018;28(6):1019–27. https://doi.org/10.1080/09602011.2016.1231121.

Article  PubMed  Google Scholar 

Uttl B. North American Adult Reading Test: Age Norms, Reliability, and Validity. J Clin Exp Neuropsychol. 2002;24(8):1123–37. https://doi.org/10.1076/jcen.24.8.1123.8375.

Article  PubMed  Google Scholar 

Crawford JR, Parker DM, Besson JAO. Estimation of Premorbid Intelligence in Organic Conditions. Br J Psychiatry. 1988;153(2):178–81. https://doi.org/10.1192/bjp.153.2.178.

Article  CAS  PubMed  Google Scholar 

Cummings JL, Houlihan JP, Hill MA. The pattern of reading deterioration in dementia of the Alzheimer type: Observations and implications. Brain Lang. 1986;29(2):315–23. https://doi.org/10.1016/0093-934X(86)90051-9.

Article  CAS  PubMed  Google Scholar 

Hart S, Smith CM, Swash M. Assessing intellectual deterioration. Br J Clin Psychol. 1986;25(Pt 2):119–24. https://doi.org/10.1111/j.2044-8260.1986.tb00680.x.

Article  PubMed  Google Scholar 

Johnstone B, Callahan CD, Kapila CJ, Bouman DE. The comparability of the WRAT-R reading test and NAART as estimates of premorbid intelligence in neurologically impaired patients. Arch Clin Neuropsychol. 1996;11(6):513–9. https://doi.org/10.1016/0887-6177(96)82330-4.

Article  CAS  PubMed  Google Scholar 

Maddrey AM, Cullum CM, Weiner MF, Filley CM. Premorbid intelligence estimation and level of dementia in Alzheimer’s disease. J Int Neuropsychol Soc. 1996;2(6):551–5. https://doi.org/10.1017/S1355617700001727.

Article  CAS  PubMed  Google Scholar 

Nebes RD, Martin DC, Horn LC. Sparing of semantic memory in Alzheimer’s disease. J Abnorm Psychol. 1984;93(3):321–30. https://doi.org/10.1037//0021-843x.93.3.321.

Article  CAS  PubMed  Google Scholar 

O’Carroll RE, Gilleard CJ. Estimation of premorbid intelligence in dementia. Br J Clin Psychol. 1986;25(2):157–8. https://doi.org/10.1111/j.2044-8260.1986.tb00690.x.

Article  PubMed  Google Scholar 

Raymer AM, Berndt RS. Reading lexically without semantics: Evidence from patients with probable Alzheimer’s disease. J Int Neuropsychol Soc. 1996;2(4):340–9. https://doi.org/10.1017/S1355617700001363.

Article