World's Best Scientists 2026 revealed!
Daniel William O'Connor

Daniel William O'Connor

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Social Sciences and Humanities 48 3147 2891 220 210 167 9492

Daniel William O'Connor publications per year

The chart shows the history of publications by Daniel William O'Connor between 1988 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Daniel William O'Connor published across 38 years, from 1988 to 2025, averaging 5.9 papers a year. Output peaked at 51 publications in 2025. 52 of the 226 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1988 to 2025. Vertical axis: number of publications, 0 to 51. Peak 51 publications in 2025. 1988: 1 publication 1989: 7 publications 1990: 5 publications 1991: 10 publications 1992: 0 publications 1993: 1 publication 1994: 2 publications 1995: 3 publications 1996: 3 publications 1997: 2 publications 1998: 2 publications 1999: 3 publications 2000: 3 publications 2001: 2 publications 2002: 3 publications 2003: 3 publications 2004: 3 publications 2005: 4 publications 2006: 7 publications 2007: 5 publications 2008: 3 publications 2009: 10 publications 2010: 17 publications 2011: 3 publications 2012: 10 publications 2013: 10 publications 2014: 10 publications 2015: 9 publications 2016: 12 publications 2017: 4 publications 2018: 4 publications 2019: 3 publications 2020: 4 publications 2021: 4 publications 2022: 2 publications 2023: 0 publications 2024: 1 publication 2025: 51 publications
1988 2025

226 publications in total across all disciplines

View publications per year as a table
Daniel William O'Connor: publications per year, 1988 to 2025
Year Publications
1988 1
1989 7
1990 5
1991 10
1992 0
1993 1
1994 2
1995 3
1996 3
1997 2
1998 2
1999 3
2000 3
2001 2
2002 3
2003 3
2004 3
2005 4
2006 7
2007 5
2008 3
2009 10
2010 17
2011 3
2012 10
2013 10
2014 10
2015 9
2016 12
2017 4
2018 4
2019 3
2020 4
2021 4
2022 2
2023 0
2024 1
2025 51
Total 226
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Daniel William O'Connor publication distribution in Social Sciences and Humanities in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where Daniel William O'Connor sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 54 bars. Horizontal axis: publications, 44–53 to 570+. Vertical axis: number of scientists, 0 to 474. Most scientists, 474, have 114–123 publications. The last bar groups every scientist with 570 publications or more. The highlighted bar, 164–173 publications, is where this scientist sits. 44–53 publications: 28 scientists 54–63 publications: 61 scientists 64–73 publications: 161 scientists 74–83 publications: 225 scientists 84–93 publications: 301 scientists 94–103 publications: 390 scientists 104–113 publications: 406 scientists 114–123 publications: 474 scientists 124–133 publications: 453 scientists 134–143 publications: 434 scientists 144–153 publications: 407 scientists 154–163 publications: 411 scientists 164–173 publications: 391 scientists 174–183 publications: 313 scientists 184–193 publications: 319 scientists 194–203 publications: 304 scientists 204–213 publications: 285 scientists 214–223 publications: 246 scientists 224–233 publications: 213 scientists 234–243 publications: 170 scientists 244–253 publications: 167 scientists 254–263 publications: 162 scientists 264–273 publications: 138 scientists 274–283 publications: 138 scientists 284–293 publications: 113 scientists 294–303 publications: 106 scientists 304–313 publications: 95 scientists 314–323 publications: 101 scientists 324–333 publications: 81 scientists 334–343 publications: 69 scientists 344–353 publications: 56 scientists 354–363 publications: 36 scientists 364–373 publications: 42 scientists 374–383 publications: 41 scientists 384–393 publications: 44 scientists 394–403 publications: 27 scientists 404–413 publications: 30 scientists 414–423 publications: 20 scientists 424–433 publications: 29 scientists 434–443 publications: 29 scientists 444–453 publications: 25 scientists 454–463 publications: 19 scientists 464–473 publications: 21 scientists 474–483 publications: 11 scientists 484–493 publications: 17 scientists 494–503 publications: 7 scientists 504–513 publications: 6 scientists 514–523 publications: 12 scientists 524–533 publications: 10 scientists 534–543 publications: 7 scientists 544–553 publications: 6 scientists 554–563 publications: 12 scientists 564–569 publications: 8 scientists 570+ publications: 100 scientists
44–53 publications 570+

This scientist: 167 publications — 50th percentile

50% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 570 publications or more.

View publications distribution as a table
Number of Social Sciences and Humanities scientists by publication count, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
Publications Scientists This scientist
44–53 28
54–63 61
64–73 161
74–83 225
84–93 301
94–103 390
104–113 406
114–123 474
124–133 453
134–143 434
144–153 407
154–163 411
164–173 391 167
174–183 313
184–193 319
194–203 304
204–213 285
214–223 246
224–233 213
234–243 170
244–253 167
254–263 162
264–273 138
274–283 138
284–293 113
294–303 106
304–313 95
314–323 101
324–333 81
334–343 69
344–353 56
354–363 36
364–373 42
374–383 41
384–393 44
394–403 27
404–413 30
414–423 20
424–433 29
434–443 29
444–453 25
454–463 19
464–473 21
474–483 11
484–493 17
494–503 7
504–513 6
514–523 12
524–533 10
534–543 7
544–553 6
554–563 12
564–569 8
570+ 100
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Daniel William O'Connor D-index placement in Social Sciences and Humanities in 2026

The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where Daniel William O'Connor sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 71 bars. Horizontal axis: D-Index, 30 to 100+. Vertical axis: number of scientists, 0 to 313. Most scientists, 313, have 42 D-Index. The last bar groups every scientist with 100 D-Index or more. The highlighted bar, 48 D-Index, is where this scientist sits. 30 D-Index: 177 scientists 31 D-Index: 210 scientists 32 D-Index: 222 scientists 33 D-Index: 188 scientists 34 D-Index: 181 scientists 35 D-Index: 243 scientists 36 D-Index: 261 scientists 37 D-Index: 272 scientists 38 D-Index: 278 scientists 39 D-Index: 300 scientists 40 D-Index: 297 scientists 41 D-Index: 308 scientists 42 D-Index: 313 scientists 43 D-Index: 300 scientists 44 D-Index: 269 scientists 45 D-Index: 260 scientists 46 D-Index: 228 scientists 47 D-Index: 251 scientists 48 D-Index: 203 scientists 49 D-Index: 186 scientists 50 D-Index: 187 scientists 51 D-Index: 166 scientists 52 D-Index: 138 scientists 53 D-Index: 141 scientists 54 D-Index: 131 scientists 55 D-Index: 137 scientists 56 D-Index: 109 scientists 57 D-Index: 129 scientists 58 D-Index: 95 scientists 59 D-Index: 105 scientists 60 D-Index: 106 scientists 61 D-Index: 86 scientists 62 D-Index: 94 scientists 63 D-Index: 77 scientists 64 D-Index: 79 scientists 65 D-Index: 59 scientists 66 D-Index: 68 scientists 67 D-Index: 51 scientists 68 D-Index: 49 scientists 69 D-Index: 40 scientists 70 D-Index: 43 scientists 71 D-Index: 40 scientists 72 D-Index: 50 scientists 73 D-Index: 46 scientists 74 D-Index: 43 scientists 75 D-Index: 45 scientists 76 D-Index: 45 scientists 77 D-Index: 30 scientists 78 D-Index: 25 scientists 79 D-Index: 31 scientists 80 D-Index: 29 scientists 81 D-Index: 18 scientists 82 D-Index: 21 scientists 83 D-Index: 26 scientists 84 D-Index: 15 scientists 85 D-Index: 15 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 12 scientists 89 D-Index: 7 scientists 90 D-Index: 19 scientists 91 D-Index: 20 scientists 92 D-Index: 13 scientists 93 D-Index: 9 scientists 94 D-Index: 13 scientists 95 D-Index: 8 scientists 96 D-Index: 7 scientists 97 D-Index: 6 scientists 98 D-Index: 6 scientists 99 D-Index: 6 scientists 100+ D-Index: 97 scientists
30 D-Index 100+

This scientist: 48 D-Index — 61st percentile

61% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 100 D-Index or more.

View D-Index distribution as a table
Number of Social Sciences and Humanities scientists by D-index, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
D-Index Scientists This scientist
30 177
31 210
32 222
33 188
34 181
35 243
36 261
37 272
38 278
39 300
40 297
41 308
42 313
43 300
44 269
45 260
46 228
47 251
48 203 48
49 186
50 187
51 166
52 138
53 141
54 131
55 137
56 109
57 129
58 95
59 105
60 106
61 86
62 94
63 77
64 79
65 59
66 68
67 51
68 49
69 40
70 43
71 40
72 50
73 46
74 43
75 45
76 45
77 30
78 25
79 31
80 29
81 18
82 21
83 26
84 15
85 15
86 19
87 19
88 12
89 7
90 19
91 20
92 13
93 9
94 13
95 8
96 7
97 6
98 6
99 6
100+ 97
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Overview

Daniel William O'Connor is affiliated with Monash University in Australia and has contributed extensively to the field of medicine with a particular focus on psychiatry and mental health, genetics, general health professions, and clinical psychology. Their research portfolio includes 21 publications in medicine, with six dedicated to psychiatry and mental health, six to genetics, six to general health professions, and four to clinical psychology and health.

The scientist's research encompasses a variety of specialized topics including genomics and rare diseases, geriatric care and nursing homes, health disparities and outcomes, genetics and neurodevelopmental disorders, stroke rehabilitation and recovery, dementia and cognitive impairment research, and cystic fibrosis research advances. These main topics reflect a multidisciplinary approach to health sciences.

O'Connor has published frequently in journals such as Nature Reviews Drug Discovery and BMC Geriatrics, each hosting three of their works. Additional venues include the Australasian Journal on Ageing with two publications, as well as Clinical Gerontologist and Therapeutic Advances in Rare Disease with one publication each.

Recent papers that highlight the scope of their research are:

  • Research on rare diseases: ten years of progress and challenges at IRDiRC (2022, Nature Reviews Drug Discovery)
  • Befriending Older Adults in Nursing Homes: Volunteer Perceptions of Switching to Remote Befriending in the COVID-19 Era (2021, Clinical Gerontologist)
  • Boosting delivery of rare disease therapies: the IRDiRC Orphan Drug Development Guidebook (2020, Nature Reviews Drug Discovery)
  • The state-of-the-art of N-of-1 therapies and the IRDiRC N-of-1 development roadmap (2024, Nature Reviews Drug Discovery)
  • A cluster randomised trial of the program to enhance adjustment to residential living (PEARL): a novel psychological intervention to reduce depression in newly admitted aged care residents (2020, BMC Geriatrics)

Frequent collaborators include Adrian Kilcoyne, Philip Ambery, Phil Ambery, Anneliene Hechtelt Jonker, and Annemieke Aartsma-Rus. This network reflects interdisciplinary partnerships supporting the scientist's work across diverse topics.

Best Publications

  • The Prevalence of Dementia in Europe: A Collaborative Study of 1980–1990 Findings

    A Hofman;W A Rocca;C Brayne;M M B Breteler

  • Frequency and distribution of Alzheimer's disease in Europe: A collaborative study of 1980–1990 prevalence findings

    Walter A. Rocca;Albert Hofman;Carol Brayne;Monique M.B. Breteler

  • The reliability and validity of the Mini-Mental State in a British community survey.

    D.W. O'Connor;P.A. Pollitt;J.B. Hyde;J.L. Fellows

  • The influence of education, social class and sex on Mini-Mental State scores.

    D. W. O'connor;P. A. Pollitt;F. P. Treasure;C. P. B. Brook

  • Psychosocial treatments of behavior symptoms in dementia: a systematic review of reports meeting quality standards.

    Daniel William O'Connor;David J Ames;Betina Kim Gardner;Madeleine King

  • Memory complaints and impairment in normal, depressed, and demented elderly persons identified in a community survey.

    Daniel W. O'Connor;Penelope A. Pollitt;Martin Roth;C. Peter B. Brook

  • Do general practitioners miss dementia in elderly patients

    D. W. O'connor;P. A. Pollitt;J. B. Hyde;C. P. B. Brook

  • Incidence of dementia in a population older than 75 years in the United Kingdom.

    Eugene S. Paykel;Carol Brayne;Felicia A. Huppert;Caroline Gill

  • The prevalence of dementia as measured by the Cambridge Mental Disorders of the Elderly Examination.

    D. W. O'Connor;P. A. Pollitt;J. B. Hyde;J. L. Fellows

  • The efficacy of psychosocial approaches to behaviour disorders in dementia: a systematic literature review

    Janet Opie;Richard C Rosewarne;Daniel W O'Connor

  • Vascular risks and incident dementia: results from a cohort study of the very old.

    Carol Brayne;C Gill;Felicia A Huppert;C Barkley

  • A comparison of two treatments of agitated behavior in nursing home residents with dementia: simulated family presence and preferred music

    Kathryn Ann Garland;Edwina Beer;Barbara Joan Eppingstall;Daniel William O'Connor

  • Incidence of clinically diagnosed subtypes of dementia in an elderly population. Cambridge Project for Later Life.

    C Brayne;C Gill;F A Huppert;C Barkley

  • Population norms for the MMSE in the very old: Estimates based on longitudinal data

    Carole Dufouil;D Clayton;Carol Brayne;Lin-Yang Chi

  • Cognitive decline in an elderly population--a two wave study of change.

    Carol Brayne;C. Gill;E. S. Paykel;F. Huppert

  • Problems reported by relatives in a community study of dementia.

    D. W. O'Connor;P. A. Pollitt;M. Roth;C. P. B. Brook

  • Changes in self-rated health, disability and contact with services in a very elderly cohort: a 6-year follow-up study

    Tom R. Dening;Lin Yang Chi;Carol Brayne;Felicia A. Huppert

  • Dementia and normal aging

    Felicia A. Huppert;Carol Brayne;D. W. O'Connor

  • A randomized crossover trial to study the effect of personalized, one-to-one interaction using Montessori-based activities on agitation, affect, and engagement in nursing home residents with dementia

    Eva Simone van der Ploeg;Barbara Joan Eppingstall;Cameron J Camp;Susannah Jane Runci

  • Challenging behaviours in nursing home residents with dementia: a randomized controlled trial of multidisciplinary interventions

    Janet Opie;Colleen Doyle;Daniel W. O'Connor

Frequent Co-Authors

Carol Brayne
Carol Brayne University of Cambridge
Yun-Hee Jeon
Yun-Hee Jeon University of Sydney
Henry Brodaty
Henry Brodaty University of New South Wales
Lee-Fay Low
Lee-Fay Low University of Sydney
Felicia A. Huppert
Felicia A. Huppert University of Sydney
Eugene S. Paykel
Eugene S. Paykel University of Cambridge
Marita P. McCabe
Marita P. McCabe Swinburne University of Technology
David Ames
David Ames University of Melbourne
Elizabeth Beattie
Elizabeth Beattie Queensland University of Technology
David Mellor
David Mellor Deakin University

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