B. Reisberg, S. Ferris, M. De-leon, and T. Crook, The Global Deterioration Scale for assessment of primary degenerative dementia, Am J Psychiatry, vol.139, 1982.

J. Mcglone, S. Gupta, D. Humphrey, S. Oppenheimer, T. Mirsen et al., Screening for Early Dementia Using Memory Complaints From Patients and Relatives, Archives of Neurology, vol.47, issue.11, pp.1189-93, 1990.
DOI : 10.1001/archneur.1990.00530110043015

R. Petersen, G. Smith, S. Waring, R. Ivnik, E. Tangalos et al., Mild Cognitive Impairment, Archives of Neurology, vol.56, issue.3, pp.303-311, 1999.
DOI : 10.1001/archneur.56.3.303
URL : https://hal.archives-ouvertes.fr/inserm-00112038

R. Sperling, P. Aisen, L. Beckett, D. Bennett, S. Craft et al., Toward defining the preclinical stages of Alzheimer's disease: Recommendations from the National Institute on Aging and the Alzheimer's Association workgroup, Alzheimers Dement, 2011.

B. Dubois, H. Hampel, H. Feldman, P. Scheltens, P. Aisen et al., Preclinical Alzheimer's disease: Definition, natural history, and diagnostic criteria, Alzheimer's & Dementia, vol.12, issue.3, pp.292-323, 2016.
DOI : 10.1016/j.jalz.2016.02.002

A. Mitchell, H. Beaumont, D. Ferguson, M. Yadegarfar, and B. Stubbs, Risk of dementia and mild cognitive impairment in older people with subjective memory complaints: meta-analysis, Acta Psychiatrica Scandinavica, vol.57, issue.6, pp.439-51, 2014.
DOI : 10.1016/j.pec.2004.05.002

S. Lista, J. Molinuevo, E. Cavedo, L. Rami, P. Amouyel et al., Evolving Evidence for the Value of Neuroimaging Methods and Biological Markers in Subjects Categorized with Subjective Cognitive Decline, Journal of Alzheimer's Disease, vol.15, issue.2, pp.171-91, 2015.
DOI : 10.1186/s12883-015-0268-6

A. Perrotin, L. Joie, R. , D. L. Sayette, V. Barré et al., Subjective cognitive decline in cognitively normal elders from the community or from a memory clinic: Differential affective and imaging correlates, Alzheimer's & Dementia, vol.13, issue.5
DOI : 10.1016/j.jalz.2016.08.011
URL : https://hal.archives-ouvertes.fr/hal-01575051

B. Snitz, L. Weissfeld, A. Cohen, O. Lopez, R. Nebes et al., Subjective Cognitive Complaints, Personality and Brain Amyloid-beta in??Cognitively Normal Older Adults, The American Journal of Geriatric Psychiatry, vol.23, issue.9, pp.985-93, 2015.
DOI : 10.1016/j.jagp.2015.01.008
URL : http://europepmc.org/articles/pmc4532656?pdf=render

R. Amariglio, J. Becker, J. Carmasin, L. Wadsworth, N. Lorius et al., Subjective cognitive complaints and amyloid burden in cognitively normal older individuals, Neuropsychologia, vol.50, issue.12, pp.2880-2886, 2012.
DOI : 10.1016/j.neuropsychologia.2012.08.011
URL : http://europepmc.org/articles/pmc3473106?pdf=render

A. Perrotin, E. Mormino, C. Madison, A. Hayenga, and W. Jagust, Subjective Cognition and Amyloid Deposition Imaging, Archives of Neurology, vol.69, issue.2, pp.223-232, 2012.
DOI : 10.1001/archneurol.2011.666
URL : https://hal.archives-ouvertes.fr/inserm-00728999

M. Mielke, H. Wiste, S. Weigand, D. Knopman, V. Lowe et al., Indicators of amyloid burden in a population-based study of cognitively normal elderly, Neurology, vol.79, issue.15, 2012.
DOI : 10.1212/WNL.0b013e31826e2696

R. Buckley, V. Villemagne, C. Masters, K. Ellis, C. Rowe et al., A Conceptualization of the Utility of Subjective Cognitive Decline in Clinical Trials of Preclinical Alzheimer???s Disease, Journal of Molecular Neuroscience, vol.49, issue.3
DOI : 10.3233/JAD-150446

P. Insel, S. Palmqvist, R. Mackin, R. Nosheny, O. Hansson et al., Assessing risk for preclinical ?-amyloid pathology with APOE, cognitive, and demographic information. Alzheimers Dement Diagn Assess Dis Monit n
DOI : 10.1016/j.jalz.2016.06.1089

J. Sevigny, J. Suhy, P. Chiao, T. Chen, G. Klein et al., Amyloid PET Screening for Enrichment of Early-Stage Alzheimer Disease Clinical Trials, Alzheimer Disease & Associated Disorders, vol.30, issue.1, pp.1-7, 2016.
DOI : 10.1097/WAD.0000000000000144

R. Sperling, D. Rentz, K. Johnson, J. Karlawish, M. Donohue et al., The A4 Study: Stopping AD Before Symptoms Begin?, Science Translational Medicine, vol.1, issue.1, 2014.
DOI : 10.1056/NEJMp1302513
URL : http://europepmc.org/articles/pmc4049292?pdf=render

W. Jansen, R. Ossenkoppele, D. Knol, B. Tijms, P. Scheltens et al., Prevalence of Cerebral Amyloid Pathology in Persons Without Dementia, JAMA, vol.313, issue.19, pp.1924-1962, 2015.
DOI : 10.1001/jama.2015.4668

D. Blackburn, S. Wakefield, M. Shanks, K. Harkness, M. Reuber et al., Memory difficulties are not always a sign of incipient dementia: a review of the possible causes of loss of memory efficiency, British Medical Bulletin, vol.65, issue.4, pp.71-81, 2014.
DOI : 10.1016/j.socscimed.2007.03.045

H. Comijs, D. Deeg, M. Dik, J. Twisk, and C. Jonker, Memory complaints; the association with psycho-affective and health problems and the role of personality characteristics, Journal of Affective Disorders, vol.72, issue.2, pp.157-65, 2002.
DOI : 10.1016/S0165-0327(01)00453-0

F. Jessen, R. Amariglio, M. Van-boxtel, M. Breteler, M. Ceccaldi et al., A conceptual framework for research on subjective cognitive decline in preclinical Alzheimer's disease, Alzheimer's & Dementia, vol.10, issue.6, pp.844-52, 2014.
DOI : 10.1016/j.jalz.2014.01.001

J. Molinuevo, L. Rabin, R. Amariglio, R. Buckley, B. Dubois et al., Implementation of subjective cognitive decline criteria in research studies, Alzheimer's & Dementia, vol.13, issue.3, 2016.
DOI : 10.1016/j.jalz.2016.09.012

L. Rabin, C. Smart, P. Crane, R. Amariglio, L. Berman et al., Subjective Cognitive Decline in Older Adults: An Overview of Self-Report Measures Used Across 19 International Research Studies, Journal of Alzheimer's Disease, vol.128, issue.s1, pp.63-8610, 2015.
DOI : 10.1037/0033-2909.128.6.934

D. Mcnair and R. Kahn, Self-assessment of cognitive deficits, Assess. Geriatr. Psychopharmacol. Mark Powley Associates, 1983.

A. Perrotin, B. Desgranges, B. Landeau, F. Mézenge, L. Joie et al., Anosognosia in Alzheimer disease: Disconnection between memory and self-related brain networks, Annals of Neurology, vol.11, issue.3, pp.477-86, 2015.
DOI : 10.1097/00002093-199709000-00004

A. Perrotin, R. De-flores, F. Lamberton, G. Poisnel, L. Joie et al., Hippocampal Subfield Volumetry and 3D Surface Mapping in Subjective Cognitive Decline, Journal of Alzheimer's Disease, vol.74, issue.s1, pp.141-15010, 2015.
DOI : 10.1016/j.neuroimage.2013.02.003

F. Besson, L. Joie, R. Doeuvre, L. Gaubert, M. Mézenge et al., Cognitive and Brain Profiles Associated with Current Neuroimaging Biomarkers of Preclinical Alzheimer's Disease, Journal of Neuroscience, vol.35, issue.29, pp.10402-10413, 2015.
DOI : 10.1523/JNEUROSCI.0150-15.2015

L. Joie, R. Landeau, B. Perrotin, A. Bejanin, A. Egret et al., Intrinsic connectivity identifies the hippocampus as a main crossroad between Alzheimer's and semantic dementia-targeted networks, Neuron, vol.81, pp.1417-1445, 2014.

M. Fouquet, B. Desgranges, L. Joie, R. Rivière, D. Mangin et al., Role of hippocampal CA1 atrophy in memory encoding deficits in amnestic Mild Cognitive Impairment, NeuroImage, vol.59, issue.4, pp.3309-3324, 2012.
DOI : 10.1016/j.neuroimage.2011.11.036
URL : https://hal.archives-ouvertes.fr/inserm-00642176

E. Grober, A. Sanders, C. Hall, and R. Lipton, Free and Cued Selective Reminding Identifies Very Mild Dementia in Primary Care, Alzheimer Disease & Associated Disorders, vol.24, pp.284-90, 2010.
DOI : 10.1097/WAD.0b013e3181cfc78b
URL : http://europepmc.org/articles/pmc2929322?pdf=render

C. Gass and C. Apple, Cognitive complaints in closed-head injury: Relationship to memory test performance and emotional disturbance, Journal of Clinical and Experimental Neuropsychology, vol.24, issue.2, pp.290-299, 1997.
DOI : 10.1080/13854049508401593

C. Derouesné, M. Dealberto, P. Boyer, S. Lubin, B. Sauron et al., Empirical evaluation of the ???Cognitive Difficulties Scale??? for assessment of memory complaints in general practice: A study of 1628 cognitively normal subjects aged 45-75 years, International Journal of Geriatric Psychiatry, vol.24, issue.7, pp.599-607, 1993.
DOI : 10.1037/0033-2909.92.2.434

S. Villeneuve, G. Rabinovici, B. Cohn-sheehy, C. Madison, N. Ayakta et al., Existing Pittsburgh Compound-B positron emission tomography thresholds are too high: statistical and pathological evaluation, Brain, vol.134, issue.9, pp.2020-2053, 2015.
DOI : 10.1212/WNL.0000000000000170
URL : https://academic.oup.com/brain/article-pdf/138/7/2020/13799993/awv112.pdf

J. Winter and D. Dodou, Five-point likert items: T test versus Mann-Whitney-Wilcoxon, Pract Assess Res Eval, vol.15, 2010.

J. Baglin, Improving Your Exploratory Factor Analysis for Ordinal Data: A Demonstration Using FACTOR, Pract Assess Res Eval, vol.19, pp.1-14, 2014.

C. Pires, D. Silva, J. Maroco, S. Ginó, T. Mendes et al., Memory Complaints Associated with Seeking Clinical Care, International Journal of Alzheimer's Disease, vol.171, issue.10, pp.725329-725339, 2012.
DOI : 10.1016/j.eurpsy.2008.02.004
URL : https://doi.org/10.1155/2012/725329

M. Eckerström, J. Skoogh, S. Rolstad, M. Göthlin, G. Steineck et al., Sahlgrenska Academy Self-reported Cognitive Impairment Questionnaire (SASCI-Q) ??? a research tool discriminating between subjectively cognitively impaired patients and healthy controls, International Psychogeriatrics, vol.139, issue.03, pp.420-450, 2013.
DOI : 10.1080/02841860260088782

M. Buelow, G. Tremont, L. Frakey, J. Grace, and B. Ott, Utility of the Cognitive Difficulties Scale and Association With Objective Test Performance, American Journal of Alzheimer's Disease & Other Dementiasr, vol.29, issue.8, pp.755-61, 2014.
DOI : 10.1002/gps.1836

L. Salem, A. Vogel, J. Ebstrup, A. Linneberg, and G. Waldemar, Subjective cognitive complaints included in diagnostic evaluation of dementia helps accurate diagnosis in a mixed memory clinic cohort, International Journal of Geriatric Psychiatry, vol.17, issue.3, pp.1177-85, 2015.
DOI : 10.1159/000076354

J. Lehrner, D. Moser, S. Klug, A. Gleiß, E. Auff et al., Subjective memory complaints, depressive symptoms and cognition in patients attending a memory outpatient clinic, International Psychogeriatrics, vol.20, issue.5, pp.463-73, 2014.
DOI : 10.1001/archneur.62.7.1160

S. Ahmed, J. Mitchell, R. Arnold, K. Dawson, P. Nestor et al., Memory Complaints in Mild Cognitive Impairment, Worried Well, and Semantic Dementia Patients, Alzheimer Disease & Associated Disorders, vol.22, issue.3, pp.227-262, 2008.
DOI : 10.1097/WAD.0b013e31816bbd27

S. Ryu, S. Lee, T. Kim, and T. Lee, Memory complaints in subjective cognitive impairment, amnestic mild cognitive impairment and mild Alzheimer???s disease, Acta Neurologica Belgica, vol.20, issue.9, 2016.
DOI : 10.1002/gps.1370

A. Sousa, J. Gomar, and T. Goldberg, Neural and behavioral substrates of disorientation in mild cognitive impairment and Alzheimer's disease, Alzheimer's & Dementia: Translational Research & Clinical Interventions, vol.1, issue.1, pp.37-45, 2015.
DOI : 10.1016/j.trci.2015.04.002

P. Giannakopoulos, G. Gold, M. Duc, J. Michel, P. Hof et al., Neural substrates of spatial and temporal disorientation in Alzheimer's disease, Acta Neuropathologica, vol.100, issue.2, pp.189-95, 2000.
DOI : 10.1007/s004019900166

N. Hirono, E. Mori, K. Ishii, Y. Ikejiri, T. Imamura et al., Hypofunction in the posterior cingulate gyrus correlates with disorientation for time and place in Alzheimer's disease, Journal of Neurology, Neurosurgery & Psychiatry, vol.64, issue.4, pp.552-556, 1998.
DOI : 10.1136/jnnp.64.4.552

C. Ranganath and M. Ritchey, Two cortical systems for memory-guided behaviour, Nature Reviews Neuroscience, vol.8, issue.10, pp.713-739, 2012.
DOI : 10.1038/nmeth.1635

B. Hanseeuw, L. Dricot, R. Lhommel, L. Quenon, and A. Ivanoiu, Patients with Amyloid-Negative Mild Cognitive Impairment have Cortical Hypometabolism but the Hippocampus is Preserved, Journal of Alzheimer's Disease, vol.32, issue.Pt 4, pp.651-60, 2016.
DOI : 10.1007/s00259-004-1740-5

B. Ye, S. Seo, C. Kim, S. Jeon, G. Kim et al., Hippocampal and cortical atrophy in amyloid-negative mild cognitive impairments: comparison with amyloid-positive mild cognitive impairment, Neurobiology of Aging, vol.35, issue.2, pp.291-300, 2014.
DOI : 10.1016/j.neurobiolaging.2013.08.017

E. Edmonds, L. Delano-wood, D. Galasko, D. Salmon, and M. Bondi, Subjective Cognitive Complaints Contribute to Misdiagnosis of Mild Cognitive Impairment, Journal of the International Neuropsychological Society, vol.13, issue.08, pp.836-883, 2014.
DOI : 10.1017/S1355617712000902

G. Marshall, A. Zoller, K. Kelly, R. Amariglio, J. Locascio et al., Everyday Cognition Scale Items that Best Discriminate Between and Predict Progression From Clinically Normal to Mild Cognitive Impairment, Current Alzheimer Research, vol.11, issue.9, pp.853-61, 2014.
DOI : 10.2174/1567205011666141001120903
URL : http://europepmc.org/articles/pmc4247808?pdf=render

K. Gifford, D. Liu, R. Romano, R. Jones, and A. Jefferson, Development of a subjective cognitive decline questionnaire using item response theory: A pilot study, Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring, vol.1, issue.4, pp.429-468, 2015.
DOI : 10.1016/j.dadm.2015.09.004

B. Snitz, L. Yu, P. Crane, C. Chang, T. Hughes et al., Subjective Cognitive Complaints of Older Adults at the Population Level, Alzheimer Disease & Associated Disorders, vol.26, issue.4, pp.344-51, 2012.
DOI : 10.1097/WAD.0b013e3182420bdf