By Dr Katya Numbers

Journal articles

Samtani S; Mahalingam G; Lam BCP; Lipnicki DM; Lima-Costa MF; Blay SL; Castro-Costa E; Shifu X; Guerchet M; Preux PM; Gbessemehlan A; Skoog I; Najar J; Rydberg Sterner T; Scarmeas N; Kim KW; Riedel-Heller S; Röhr S; Pabst A; Shahar S; Numbers K; Ganguli M; Jacobsen E; Hughes TF; Crowe M; Ng TP; Maddock J; Marseglia A; Mélis R; Szcześniak D; Wiegelmann H; Vernooij-Dassen M; Jeon YH; Sachdev PS; Brodaty H; Roehr S, 2022, 'Associations between social connections and cognition: a global collaborative individual participant data meta-analysis', Lancet Healthy Longevity, 3, pp. e740 - e753, http://dx.doi.org/10.1016/S2666-7568(22)00199-4

Page ZA; Croot K; Sachdev PS; Crawford JD; Lam BCP; Brodaty H; Miller Amberber A; Numbers K; Kochan NA, 2022, 'Comparison of computerised and pencil-and-paper neuropsychological assessments in older culturally and linguistically diverse Australians - CORRIGENDUM.', Journal of the International Neuropsychological Society, pp. 1 - 1, http://dx.doi.org/10.1017/s135561772200073x

Chalmers RA; Cervin M; Choo C; Baune BT; Trollor JN; Numbers K; Sachdev PS; Brodaty H; Kochan NA; Medvedev ON, 2022, 'Networks of inflammation, depression, and cognition in aging males and females', Aging Clinical and Experimental Research, 34, pp. 2387 - 2398, http://dx.doi.org/10.1007/s40520-022-02198-6

Jang S; Numbers K; Lam BCP; Sachdev PS; Brodaty H; Reppermund S, 2022, 'Performance-Based vs Informant-Reported Instrumental Activities of Daily Living in Predicting Dementia', Journal of the American Medical Directors Association, 23, pp. 1342 - 1347.e9, http://dx.doi.org/10.1016/j.jamda.2021.09.020

Numbers K; Jang S; Brodaty H; Sachdev PS; Draper B; Reppermund S, 2022, 'Instrumental Activities of Daily Living by Subjective and Objective Measures: The Impact of Depression and Personality', Frontiers in Aging Neuroscience, 14, pp. 829544, http://dx.doi.org/10.3389/fnagi.2022.829544

Numbers K, 2022, 'Emerging Neuropsychiatric Symptoms May Represent an Early Manifestation of Preclinical Alzheimer's Disease', Biological Psychiatry, 92, pp. e1 - e3, http://dx.doi.org/10.1016/j.biopsych.2022.04.013

Truong QC; Choo C; Numbers K; Merkin AG; Brodaty H; Kochan NA; Sachdev PS; Feigin VL; Medvedev ON, 2022, 'Clinical investigation of dynamic and enduring aspects of global cognition in aged population', European Journal of Clinical Investigation, 52, pp. e13681, http://dx.doi.org/10.1111/eci.13681

Kumar SS; Merkin AG; Numbers K; Sachdev PS; Brodaty H; Kochan NA; Trollor JN; Mahon S; Medvedev O, 2022, 'A Novel Approach to Investigate Depression Symptoms in the Aging Population Using Generalizability Theory', Psychological Assessment, 34, pp. 684 - 696, http://dx.doi.org/10.1037/pas0001129

Nosheny RL; Amariglio R; Sikkes SAM; Van Hulle C; Bicalho MAC; Dowling NM; Brucki SMD; Ismail Z; Kasuga K; Kuhn E; Numbers K; Aaronson A; Moretti DV; Pereiro AX; Sánchez-Benavides G; Sellek Rodríguez AF; Urwyler P; Zawaly K, 2022, 'The role of dyadic cognitive report and subjective cognitive decline in early ADRD clinical research and trials: Current knowledge, gaps, and recommendations', Alzheimer S and Dementia Translational Research and Clinical Interventions, 8, http://dx.doi.org/10.1002/trc2.12357

Numbers KT; Lam BCP; Crawford JD; Kochan NA; Sachdev PS; Brodaty H, 2022, 'Dyadic patterns of subjective cognitive reports as predictors of incident dementia', Alzheimer's & Dementia, 18, http://dx.doi.org/10.1002/alz.061351

Samtani S; Mahalingam S; Lam BCP; Lipnicki DM; Costa E; Xiao S; Guerchet M; Preux P; Skoog I; Scarmeas N; Kim KW; Riedel‐Heller SG; Hamid TA; Numbers KT; Ganguli M; Crowe MG; Ng TP; Sachdev PS; Brodaty H; consortium CSOMIAICASHARITDPJ, 2022, 'The impact of social health on global cognition and cognitive domains: An individual participant level data meta‐analysis of longitudinal cohort studies of cognitive ageing', Alzheimer's & Dementia, 18, http://dx.doi.org/10.1002/alz.061062

Numbers K; Lam BCP; Crawford JD; Kochan NA; Sachdev PS; Brodaty H, 2021, 'Increased reporting of subjective cognitive complaints over time predicts cognitive decline and incident dementia', International Journal of Geriatric Psychiatry, 36, pp. 1739 - 1747, http://dx.doi.org/10.1002/gps.5594

Stevens A; Numbers K; Samtani S, 2021, 'Are lonely older adults more vulnerable to mental health issues during pandemics?', International Psychogeriatrics, 33, pp. 449 - 451, http://dx.doi.org/10.1017/S104161022100034X

Lennon MJ; Lam BCP; Crawford J; Brodaty H; Kochan NA; Trollor JN; Numbers K; Draper B; Thalamuthu A; Sachdev PS, 2021, 'Does Antihypertensive Use Moderate the Effect of Blood Pressure on Cognitive Decline in Older People?', Journals of Gerontology Series A Biological Sciences and Medical Sciences, 76, pp. 859 - 866, http://dx.doi.org/10.1093/gerona/glaa232

Chander RJ; Mather KA; Cleary R; Grainger SA; Thalamuthu A; Numbers K; Kochan NA; Armstrong NJ; Brodaty H; Henry JD; Sachdev P, 2021, 'The influence of rs53576 polymorphism in the oxytocin receptor (OXTR) gene on empathy in healthy adults by subtype and ethnicity: a systematic review and meta-analysis', Reviews in the Neurosciences, 33, pp. 43 - 57, http://dx.doi.org/10.1515/revneuro-2021-0038

Numbers K; Brodaty H, 2021, 'The effects of the COVID-19 pandemic on people with dementia', Nature Reviews Neurology, 17, pp. 69 - 70, http://dx.doi.org/10.1038/s41582-020-00450-z

Chander RJ; Grainger SA; Crawford JD; Mather KA; Numbers K; Cleary R; Kochan NA; Brodaty H; Henry JD; Sachdev PS, 2020, 'Development of a short-form version of the Reading the Mind in the Eyes Test for assessing theory of mind in older adults', International Journal of Geriatric Psychiatry, 35, pp. 1322 - 1330, http://dx.doi.org/10.1002/gps.5369

Numbers K; Crawford JD; Kochan NA; Draper B; Sachdev PS; Brodaty H, 2020, 'Participant and informant memory-specific cognitive complaints predict future decline and incident dementia: Findings from the Sydney Memory and Ageing Study', PLOS ONE, 15, pp. e0232961 - e0232961, http://dx.doi.org/10.1371/journal.pone.0232961

Numbers KT; Lam BCP; Crawford JD; Kochan NA; Sachdev PS; Brodaty H, 2020, 'Patterns of change in subjective cognitive complaints are associated with cognitive decline and dementia risk: Findings from the Sydney Memory and Ageing Study', Alzheimer's & Dementia, 16, http://dx.doi.org/10.1002/alz.040685

Chander RJ; Numbers KT; Grainger SA; Cleary R; Das D; Mather KA; Kochan NA; Brodaty H; Henry JD; Sachdev PS, 2020, 'Social cognitive abilities in older adults with mild cognitive impairment and dementia', Alzheimer's & Dementia, 16, http://dx.doi.org/10.1002/alz.044231

Lam BCP; Crawford JD; Lipnicki DM; Numbers KT; Kochan NA; Draper B; Trollor JN; Brodaty H; Sachdev PS, 2020, 'The latent construct of dementia phenotype: Validation and longitudinal examination in the Sydney Memory and Ageing Study', Alzheimer's & Dementia, 16, http://dx.doi.org/10.1002/alz.040876

Numbers KT; Barnier AJ; Harris CB; Meade ML, 2019, 'Ageing stereotypes influence the transmission of false memories in the social contagion paradigm', Memory, 27, pp. 368 - 378, http://dx.doi.org/10.1080/09658211.2018.1511809

Lipnicki DM; Makkar SR; Crawford JD; Thalamuthu A; Kochan NA; Lima-Costa MF; Castro-Costa E; Ferri CP; Brayne C; Stephan B; Llibre-Rodriguez JJ; Llibre-Guerra JJ; Valhuerdi-Cepero AJ; Lipton RB; Katz MJ; Derby CA; Ritchie K; Ancelin M-L; Carrière I; Scarmeas N; Yannakoulia M; Hadjigeorgiou GM; Lam L; Chan W-C; Fung A; Guaita A; Vaccaro R; Davin A; Kim KW; Han JW; Suh SW; Riedel-Heller SG; Roehr S; Pabst A; van Boxtel M; Köhler S; Deckers K; Ganguli M; Jacobsen EP; Hughes TF; Anstey KJ; Cherbuin N; Haan MN; Aiello AE; Dang K; Kumagai S; Chen T; Narazaki K; Ng TP; Gao Q; Nyunt MSZ; Scazufca M; Brodaty H; Numbers K; Trollor JN; Meguro K; Yamaguchi S; Ishii H; Lobo A; Lopez-Anton R; Santabárbara J; Leung Y; Lo JW; Popovic G; Sachdev PS, 2019, 'Determinants of cognitive performance and decline in 20 diverse ethno-regional groups: A COSMIC collaboration cohort study', PLOS Medicine, 16, pp. e1002853 - e1002853, http://dx.doi.org/10.1371/journal.pmed.1002853

Bentvelzen AC; Crawford JD; Theobald A; Maston K; Slavin MJ; Reppermund S; Kang K; Numbers K; Brodaty H; Sachdev P; Kochan NA, 2019, 'Validation and Normative Data for the Modified Telephone Interview for Cognitive Status: The Sydney Memory and Ageing Study', Journal of the American Geriatrics Society, 67, pp. 2108 - 2115, http://dx.doi.org/10.1111/jgs.16033

Numbers KT; Meade ML; Perga VA, 2014, 'The influences of partner accuracy and partner memory ability on social false memories', Memory and Cognition, 42, pp. 1225 - 1238, http://dx.doi.org/10.3758/s13421-014-0443-9

Conference Papers

Kelly J; Dickins M; Mackelprang JL; Numbers K; Davison TE; Schofield P; Bhar S, 2025, 'Empowering in-home aged care staff: A mixed methods pilot on late-life depression training', in INTERNATIONAL PSYCHOGERIATRICS, ELSEVIER

Samtani S; Stevens A; Lipnicki DM; Costa EC; Guerchet M; Preux P-M; Skoog I; Scarmeas N; Kim K-W; Ganguli M; Crowe M; Ng TP; Numbers K; Sachdev PS; Brodaty H, 2021, 'Social Health And Reserve in the Dementia patient journey (SHARED): Females, older adults, and people living with dementia are vulnerable to social isolation', in INTERNATIONAL PSYCHOGERIATRICS, CAMBRIDGE UNIV PRESS, pp. 20 - 21, http://dx.doi.org/10.26190/unsworks/28304

Conference Posters

Numbers KT; Chander RJ; Chen J; Brodaty H, 2024, 'Exploring relationships among neuropsychiatric symptoms, subjective cognitive complaints, cognitive performance, and incident dementia: Findings from the Sydney Memory and Ageing Study', Vol. 20, pp. e092087 - e092087, http://dx.doi.org/10.1002/alz.092087

Vella AS; Selwood A; Catts VS; Numbers KT; Lee T; Thalamuthu A; Karlsson IK; Reynolds CA; Franz CE; Kremen WS; Gatz M; Sachdev PS, 2024, 'Subjective Cognitive Complaints: Heritability and Correlations with Dementia Diagnosis, Depression and Memory, Across Multiple Twin Studies', Vol. 20, pp. e088371 - e088371, http://dx.doi.org/10.1002/alz.088371

Reppermund S; Numbers KT; Lin P; Delbaere K; Wesson J; Clemson L; Ginige JA; Trollor JN; Draper B; Brodaty H, 2023, 'Development of an innovative computerized assessment of instrumental activities of daily living', Vol. 19, http://dx.doi.org/10.1002/alz.071164

Conference Abstracts

Tan I; Sharma M; Morgan C; Brodaty H; Gnanenthiran SR; Numbers K; Liu H; Ouyang M; Kitterick P; Incerti P; Schutte AE, 2024, 'O01 LISTEN TO YOUR HEART AND MIND: A FEASIBILITY STUDY ON COMBINED SCREENING OF RAISED BLOOD PRESSURE, ATRIAL FIBRILLATION, COGNITIVE IMPAIRMENT AND HEARING LOSS', in Journal of Hypertension, Wolters Kluwer, Vol. 42, pp. e1, http://dx.doi.org/10.1097/01.hjh.0001062488.58396.b6

Selwood AE; Catts VS; Numbers K; Lee T; Thalamuthu A; Wright MJ; Sachdev PS, 2023, 'The Heritability of Subjective Cognitive Complaints in Older Australian Twins', in Journal of Alzheimer S Disease, Vol. 92, pp. 1015 - 1026, http://dx.doi.org/10.3233/JAD-221008

Xu X; Catts V; Harris K; Wang N; Numbers K; Trollor J; Brodaty H; Rodger A; Sachdev P; Schutte A, 2023, 'CUMULATIVE BLOOD PRESSURE LOAD AND INCIDENT DEMENTIA, COGNITIVE FUNCTION, AND ALL-CAUSE AND CARDIOVASCULAR DEATHS IN ADULTS AGED 70 YEARS AND OLDER', in Journal of Hypertension, Wolters Kluwer, Vol. 41, pp. e26 - e27, http://dx.doi.org/10.1097/01.hjh.0000939124.41534.98

Xu X; Catts V; Harris K; Wang N; Numbers K; Trollor J; Brodaty H; Rodgers A; Sachdev P; Schutte A, 2023, 'Cumulative Blood Pressure Load and Incident Dementia, Cognitive Function, and All-cause and Cardiovascular Deaths in Older Adults', in Heart Lung and Circulation, Elsevier, Vol. 32, pp. s385 - s386, http://dx.doi.org/10.1016/j.hlc.2023.06.509

Mahalingam G; Samtani S; Lam BCP; Lipnicki DM; Lima-Costa MF; Blay SL; Castro-Costa E; Shifu X; Guerchet M; Preux P-M; Gbessemehlan A; Skoog I; Najar J; Sterner TR; Scarmeas N; Yannakoulia M; Dardiotis T; Kim K-W; Riedel-Heller S; Röhr S; Pabst A; Shahar S; Numbers K; Ganguli M; Hughes TF; Chang C-CH; Crowe M; Ng TP; Gwee X; Chua DQL; packages RFSW; Rymaszewska J; Wolf-Ostermann K; Welmer A-K; Stafford J; Vernooij-Dassen M; Jeon Y-H; Sachdev PS; Brodaty H, 2023, 'Social connections and risk of incident mild cognitive impairment, dementia, and mortality in 13 longitudinal cohort studies of ageing', in International Psychogeriatrics, Elsevier, Vol. 35, pp. 16 - 17, http://dx.doi.org/10.1017/s1041610223001734

Selwood A; Catts VS; Numbers KT; Lee T; Thalamuthu A; Wright M; Sachdev PS, 2023, 'The heritability of subjective cognitive complaints in older Australian twins', in Alzheimer's & Dementia, Wiley, Vol. 19, http://dx.doi.org/10.1002/alz.074561

Lipnicki DM; Trollor JN; Kochan NA; Numbers K; Kang K; Crawford JD; Brodaty H; Sachdev PS, 2019, 'Failure to identify particular odours predicts future dementia and mortality [Abstract O1-02-04]', in Alzheimer's & Dementia, Elsevier BV, Los Angeles, CA, USA, Vol. 15, pp. P195 - P196, presented at Alzheimer's Association International Conference (AAIC) 2019, Los Angeles, CA, USA, 14 July 2019 - 16 July 2019, http://dx.doi.org/10.1016/j.jalz.2019.06.4526

Preprints

Chander RJ; Grainger SA; Crawford JD; Jiang J; Kochan NA; Numbers K; Brodaty H; Henry JD; Wen W; Sachdev PS, Associations between volumes of grey matter regions and white matter hyperintensities with cognitive empathy in oldest-old adults, http://dx.doi.org/10.1101/2025.10.16.682959

Chalmers RA; Cervin M; Choo C; Numbers K; Mather KA; Brodaty H; Kochan NA; Sachdev PS; Medvedev ON, Beyond Individual Risk Factors: A Network Analysis of Incident Dementia in the Sydney Memory and Ageing Study, http://dx.doi.org/10.21203/rs.3.rs-9956329/v1

Sabatini S; Numbers K; Rupprecht FS; Sella E; Izett A; Borella E; Carbone E; Tischler V; Burley CV; Stephan BCM, Comparison of views on aging between family caregivers of people living with dementia and non-caregivers: Australian data spanning the full adult lifespan, http://dx.doi.org/10.21203/rs.3.rs-9843712/v1

Chalmers RA; Cervin M; Choo C; Numbers K; Mather KA; Brodaty H; Kochan NA; Sachdev PS; Medvedev ON, Machine learning models for dementia risk prediction: Evidence from the Sydney Memory and Ageing Study, http://dx.doi.org/10.21203/rs.3.rs-7872424/v1

Chen X; O’Donnell L; Sachdev PS; Wen W; Numbers K; Schwab S; Zheng P; Xie Y; Liu Z; Brodaty H, Olfactory Function, Medial Temporal Brain Structural Change, and Cognitive Decline among Older Adults: A Six-Year Longitudinal Study, http://dx.doi.org/10.21203/rs.3.rs-10564572/v1

Hou J; Hess JL; Armstrong N; Bis JC; Grenier-Boley B; Karlsson IK; Leonenko G; Numbers K; O’Brien EK; Shadrin A; Thalamuthu A; Yang Q; Andreassen OA; Brodaty H; Gatz M; Kochan NA; Lambert J-C; Laws SM; Masters CL; Mather KA; Pedersen NL; Posthuma D; Sachdev PS; Williams J; Initiative TADN; Fan CC; Faraone SV; Fennema-Notestine C; Lin S-J; Escott-Price V; Holmans P; Seshadri S; Tsuang MT; Kremen WS; Glatt SJ, Polygenic resilience scores capture protective genetic effects for Alzheimer’s disease, http://dx.doi.org/10.1101/2022.05.10.22274858

Sabatini S; Numbers K; Kochan N; Sachdev PS; Brodaty H, Self-Perceptions of Aging Mediate the Associations of 12-Year Change in Depressive Symptoms With Life Satisfaction and Disability, http://dx.doi.org/10.21203/rs.3.rs-6890364/v1

Stemmler M; Arnold M; Numbers K; Kochan NA; Sachdev PS; Brodaty H, The Usefulness of the Regression-Based Normed SKT Short Cognitive Performance Test in detecting Cognitive Impairment in a Community Sample, http://dx.doi.org/10.20944/preprints202408.1006.v1

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