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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 72 2073 1882 1202 1065 214 17948

H. Blair Simpson publications per year

The chart shows the history of publications by H. Blair Simpson between 1996 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. H. Blair Simpson published across 30 years, from 1996 to 2025, averaging 9 papers a year. Output peaked at 24 publications in 2025. 38 of the 270 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1996 to 2025. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2025. 1996: 1 publication 1997: 1 publication 1998: 2 publications 1999: 0 publications 2000: 4 publications 2001: 0 publications 2002: 1 publication 2003: 2 publications 2004: 2 publications 2005: 5 publications 2006: 3 publications 2007: 4 publications 2008: 6 publications 2009: 3 publications 2010: 20 publications 2011: 5 publications 2012: 9 publications 2013: 11 publications 2014: 10 publications 2015: 12 publications 2016: 22 publications 2017: 15 publications 2018: 9 publications 2019: 13 publications 2020: 20 publications 2021: 18 publications 2022: 20 publications 2023: 14 publications 2024: 14 publications 2025: 24 publications
1996 2025

270 publications in total across all disciplines

View publications per year as a table
H. Blair Simpson: publications per year, 1996 to 2025
Year Publications
1996 1
1997 1
1998 2
1999 0
2000 4
2001 0
2002 1
2003 2
2004 2
2005 5
2006 3
2007 4
2008 6
2009 3
2010 20
2011 5
2012 9
2013 11
2014 10
2015 12
2016 22
2017 15
2018 9
2019 13
2020 20
2021 18
2022 20
2023 14
2024 14
2025 24
Total 270
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H. Blair Simpson publication distribution in Psychology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Psychology in 2026. The highlighted bar marks where H. Blair Simpson sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 69 bars. Horizontal axis: publications, 31–40 to 705+. Vertical axis: number of scientists, 0 to 736. Most scientists, 736, have 101–110 publications. The last bar groups every scientist with 705 publications or more. The highlighted bar, 211–220 publications, is where this scientist sits. 31–40 publications: 6 scientists 41–50 publications: 52 scientists 51–60 publications: 138 scientists 61–70 publications: 299 scientists 71–80 publications: 461 scientists 81–90 publications: 605 scientists 91–100 publications: 713 scientists 101–110 publications: 736 scientists 111–120 publications: 686 scientists 121–130 publications: 670 scientists 131–140 publications: 644 scientists 141–150 publications: 597 scientists 151–160 publications: 576 scientists 161–170 publications: 477 scientists 171–180 publications: 450 scientists 181–190 publications: 397 scientists 191–200 publications: 343 scientists 201–210 publications: 328 scientists 211–220 publications: 313 scientists 221–230 publications: 283 scientists 231–240 publications: 226 scientists 241–250 publications: 196 scientists 251–260 publications: 201 scientists 261–270 publications: 171 scientists 271–280 publications: 151 scientists 281–290 publications: 139 scientists 291–300 publications: 113 scientists 301–310 publications: 102 scientists 311–320 publications: 100 scientists 321–330 publications: 76 scientists 331–340 publications: 92 scientists 341–350 publications: 85 scientists 351–360 publications: 69 scientists 361–370 publications: 71 scientists 371–380 publications: 63 scientists 381–390 publications: 58 scientists 391–400 publications: 57 scientists 401–410 publications: 43 scientists 411–420 publications: 33 scientists 421–430 publications: 50 scientists 431–440 publications: 41 scientists 441–450 publications: 32 scientists 451–460 publications: 27 scientists 461–470 publications: 28 scientists 471–480 publications: 25 scientists 481–490 publications: 28 scientists 491–500 publications: 20 scientists 501–510 publications: 23 scientists 511–520 publications: 26 scientists 521–530 publications: 17 scientists 531–540 publications: 21 scientists 541–550 publications: 14 scientists 551–560 publications: 16 scientists 561–570 publications: 10 scientists 571–580 publications: 22 scientists 581–590 publications: 9 scientists 591–600 publications: 14 scientists 601–610 publications: 9 scientists 611–620 publications: 11 scientists 621–630 publications: 4 scientists 631–640 publications: 7 scientists 641–650 publications: 5 scientists 651–660 publications: 10 scientists 661–670 publications: 8 scientists 671–680 publications: 8 scientists 681–690 publications: 4 scientists 691–700 publications: 3 scientists 701–704 publications: 4 scientists 705+ publications: 100 scientists
31–40 publications 705+

This scientist: 214 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 705 publications or more.

View publications distribution as a table
Number of Psychology scientists by publication count, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
Publications Scientists This scientist
31–40 6
41–50 52
51–60 138
61–70 299
71–80 461
81–90 605
91–100 713
101–110 736
111–120 686
121–130 670
131–140 644
141–150 597
151–160 576
161–170 477
171–180 450
181–190 397
191–200 343
201–210 328
211–220 313 214
221–230 283
231–240 226
241–250 196
251–260 201
261–270 171
271–280 151
281–290 139
291–300 113
301–310 102
311–320 100
321–330 76
331–340 92
341–350 85
351–360 69
361–370 71
371–380 63
381–390 58
391–400 57
401–410 43
411–420 33
421–430 50
431–440 41
441–450 32
451–460 27
461–470 28
471–480 25
481–490 28
491–500 20
501–510 23
511–520 26
521–530 17
531–540 21
541–550 14
551–560 16
561–570 10
571–580 22
581–590 9
591–600 14
601–610 9
611–620 11
621–630 4
631–640 7
641–650 5
651–660 10
661–670 8
671–680 8
681–690 4
691–700 3
701–704 4
705+ 100
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H. Blair Simpson D-index placement in Psychology in 2026

The chart shows the D-index (discipline H-index) distribution of Psychology scientists ranked by Research.com in 2026. The highlighted bar marks where H. Blair Simpson sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 58 bars. Horizontal axis: D-Index, 30–31 to 144+. Vertical axis: number of scientists, 0 to 702. Most scientists, 702, have 32–33 D-Index. The last bar groups every scientist with 144 D-Index or more. The highlighted bar, 72–73 D-Index, is where this scientist sits. 30–31 D-Index: 398 scientists 32–33 D-Index: 702 scientists 34–35 D-Index: 671 scientists 36–37 D-Index: 659 scientists 38–39 D-Index: 641 scientists 40–41 D-Index: 671 scientists 42–43 D-Index: 617 scientists 44–45 D-Index: 558 scientists 46–47 D-Index: 495 scientists 48–49 D-Index: 487 scientists 50–51 D-Index: 445 scientists 52–53 D-Index: 390 scientists 54–55 D-Index: 408 scientists 56–57 D-Index: 345 scientists 58–59 D-Index: 325 scientists 60–61 D-Index: 321 scientists 62–63 D-Index: 248 scientists 64–65 D-Index: 290 scientists 66–67 D-Index: 218 scientists 68–69 D-Index: 219 scientists 70–71 D-Index: 215 scientists 72–73 D-Index: 183 scientists 74–75 D-Index: 169 scientists 76–77 D-Index: 132 scientists 78–79 D-Index: 137 scientists 80–81 D-Index: 120 scientists 82–83 D-Index: 112 scientists 84–85 D-Index: 86 scientists 86–87 D-Index: 101 scientists 88–89 D-Index: 83 scientists 90–91 D-Index: 77 scientists 92–93 D-Index: 70 scientists 94–95 D-Index: 78 scientists 96–97 D-Index: 58 scientists 98–99 D-Index: 53 scientists 100–101 D-Index: 57 scientists 102–103 D-Index: 48 scientists 104–105 D-Index: 53 scientists 106–107 D-Index: 46 scientists 108–109 D-Index: 24 scientists 110–111 D-Index: 35 scientists 112–113 D-Index: 27 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 31 scientists 118–119 D-Index: 22 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 24 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 11 scientists 128–129 D-Index: 19 scientists 130–131 D-Index: 10 scientists 132–133 D-Index: 16 scientists 134–135 D-Index: 10 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 5 scientists 142–143 D-Index: 12 scientists 144+ D-Index: 98 scientists
30–31 D-Index 144+

This scientist: 72 D-Index — 82nd percentile

82% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 144 D-Index or more.

View D-Index distribution as a table
Number of Psychology scientists by D-index, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
D-Index Scientists This scientist
30–31 398
32–33 702
34–35 671
36–37 659
38–39 641
40–41 671
42–43 617
44–45 558
46–47 495
48–49 487
50–51 445
52–53 390
54–55 408
56–57 345
58–59 325
60–61 321
62–63 248
64–65 290
66–67 218
68–69 219
70–71 215
72–73 183 72
74–75 169
76–77 132
78–79 137
80–81 120
82–83 112
84–85 86
86–87 101
88–89 83
90–91 77
92–93 70
94–95 78
96–97 58
98–99 53
100–101 57
102–103 48
104–105 53
106–107 46
108–109 24
110–111 35
112–113 27
114–115 32
116–117 31
118–119 22
120–121 16
122–123 24
124–125 18
126–127 11
128–129 19
130–131 10
132–133 16
134–135 10
136–137 12
138–139 8
140–141 5
142–143 12
144+ 98
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Overview

H. Blair Simpson is affiliated with Columbia University in the United States and has a research focus primarily within the field of psychology, with a special emphasis on clinical psychology. Their work also extends to cognitive neuroscience, experimental and cognitive psychology, sociology and political science, and psychiatry and mental health.

Simpson's research covers a variety of topics including:

  • Obsessive-Compulsive Spectrum Disorders
  • Autism Spectrum Disorder Research
  • Eating Disorders and Behaviors
  • Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Body Image and Dysmorphia Studies
  • Attention Deficit Hyperactivity Disorder
  • Functional Brain Connectivity Studies

Recent publications by H. Blair Simpson include:

  • Toward a neurocircuit-based taxonomy to guide treatment of obsessive-compulsive disorder (2021), published in Molecular Psychiatry
  • An overview of the first 5 years of the ENIGMA obsessive-compulsive disorder working group: The power of worldwide collaboration (2020), published in Human Brain Mapping
  • OUP accepted manuscript (2020), published in Brain
  • Acute effects of cannabinoids on symptoms of obsessive-compulsive disorder: A human laboratory study (2020), published in Depression and Anxiety
  • Structural neuroimaging biomarkers for obsessive-compulsive disorder in the ENIGMA-OCD consortium: medication matters (2020), published in Translational Psychiatry

Frequent co-authors collaborating with Simpson include:

  • Dan J. Stein
  • Odile A. van den Heuvel
  • Christine Löchner
  • Marcelo C. Batistuzzo
  • Marcelo Q. Hoexter

Simpson's publications commonly appear in several scholarly venues, notably:

  • Psychiatric Services
  • Biological Psychiatry
  • Journal of Obsessive-Compulsive and Related Disorders
  • Current Issues in Criminal Justice
  • Molecular Psychiatry

In addition to articles, Simpson has contributed to book publications with the Australian Institute of Criminology eBooks, including titles such as "Maintaining father-child relationships using video visitation in Australian prisons" (2024) and "Video visitation in Australian prisons: Perspectives on father-child contact" (2024).

Best Publications

  • Randomized, placebo-controlled trial of exposure and ritual prevention, clomipramine, and their combination in the treatment of obsessive-compulsive disorder.

    Edna B. Foa;Michael R. Liebowitz;Michael J. Kozak;Sharon Davies

  • Obsessive-compulsive disorder

    Dan J. Stein;Daniel L. C. Costa;Christine Lochner;Euripedes C. Miguel

  • Repeated Cortico-Striatal Stimulation Generates Persistent OCD-Like Behavior

    Susanne E. Ahmari;Timothy Spellman;Neria L. Douglass;Mazen A. Kheirbek

  • OBSESSIVE-COMPULSIVE DISORDER: A REVIEW OF THE DIAGNOSTIC CRITERIA AND POSSIBLE SUBTYPES AND DIMENSIONAL SPECIFIERS FOR DSM-V

    James F. Leckman;Damiaan Denys M.D.;H. Blair Simpson;David Mataix-Cols

  • Quality of life and functional impairment in obsessive–compulsive disorder: a comparison of patients with and without comorbidity, patients in remission, and healthy controls

    Jonathan D. Huppert;Jonathan D. Huppert;H. Blair Simpson;Kore J. Nissenson;Michael R. Liebowitz

  • Distinct Subcortical Volume Alterations in Pediatric and Adult OCD: A Worldwide Meta- and Mega-Analysis.

    Premika S.W. Boedhoe;Lianne Schmaal;Yoshinari Abe;Stephanie H. Ameis

  • A Randomized, Controlled Trial of Cognitive-Behavioral Therapy for Augmenting Pharmacotherapy in Obsessive-Compulsive Disorder

    Helen Blair Simpson;Edna B Foa;Michael R Liebowitz;Deborah Roth Ledley

  • The OCI-R: Validation of the subscales in a clinical sample

    Jonathan D. Huppert;Michael R. Walther;Greg Hajcak;Greg Hajcak;Elna Yadin

  • Towards an international expert consensus for defining treatment response, remission, recovery and relapse in obsessive‐compulsive disorder

    David Mataix-Cols;Lorena Fernández de la Cruz;Ashley E. Nordsletten;Fabian Lenhard

  • Randomized sham-controlled trial of repetitive transcranial magnetic stimulation in treatment-resistant obsessive-compulsive disorder

    Antonio Mantovani;Antonio Mantovani;Helen B. Simpson;Brian A. Fallon;Simone Rossi

  • Response Versus Remission in Obsessive-Compulsive Disorder.

    Helen Blair Simpson;Jonathan D. Huppert;Eva Petkova;Edna B. Foa

  • Cognitive-Behavioral Therapy vs Risperidone for Augmenting Serotonin Reuptake Inhibitors in Obsessive-Compulsive Disorder: A Randomized Clinical Trial

    Helen Blair Simpson;Helen Blair Simpson;Edna B. Foa;Michael R. Liebowitz;Jonathan D. Huppert;Jonathan D. Huppert

  • Cortical Abnormalities Associated With Pediatric and Adult Obsessive-Compulsive Disorder: Findings From the ENIGMA Obsessive-Compulsive Disorder Working Group

    Premika S.W. Boedhoe;Lianne Schmaal;Yoshinari Abe;Pino Alonso

  • The classification of Obsessive-Compulsive and Related Disorders in the ICD-11

    D. J. Stein;C. S. Kogan;M. Atmaca;N. A. Fineberg;N. A. Fineberg;N. A. Fineberg

  • Virtual Histology of Cortical Thickness and Shared Neurobiology in 6 Psychiatric Disorders

    Yash Patel;Nadine Parker;Jean Shin;Derek Howard

  • Treatment response, symptom remission, and wellness in obsessive-compulsive disorder

    Samantha G. Farris;Carmen P. McLean;Page E. Van Meter;Helen Blair Simpson

  • Reduced functional connectivity within the limbic cortico-striato-thalamo-cortical loop in unmedicated adults with obsessive-compulsive disorder

    Jonathan Posner;Jonathan Posner;Rachel Marsh;Rachel Marsh;Tiago V. Maia;Tiago V. Maia;Bradley S. Peterson;Bradley S. Peterson

  • Fluoxetine in children and adolescents with OCD: a placebo-controlled trial.

    Michael R. Liebowitz;Samuel M. Turner;John Piacentini;Deborah C. Beidel

  • Impulse control disorders and "behavioural addictions" in the ICD-11

    Jon Edgar Grant;Murad Atmaca;Naomi A Fineberg;Leonardo F. Fontenelle

  • Impaired Sensorimotor Gating in Unmedicated Adults with Obsessive–Compulsive Disorder

    Susanne E Ahmari;Victoria B Risbrough;Mark A Geyer;H Blair Simpson

  • Increased Capacity to Delay Reward in Anorexia Nervosa

    Joanna E. Steinglass;Bernd Figner;Staci Berkowitz;H. Blair Simpson

  • Patient Adherence Predicts Outcome from Cognitive Behavioral Therapy in Obsessive-Compulsive Disorder.

    Helen Blair Simpson;Michael J. Maher;Yuanjia Wang;Yuanyuan Bao

Frequent Co-Authors

Rachel Marsh
Rachel Marsh Columbia University
Jun Soo Kwon
Jun Soo Kwon Seoul National University
Carles Soriano-Mas
Carles Soriano-Mas University of Barcelona
Damiaan Denys
Damiaan Denys University of Amsterdam
José M. Menchón
José M. Menchón University of Barcelona
Edna B. Foa
Edna B. Foa University of Pennsylvania
Michael G. Wheaton
Michael G. Wheaton Barnard College
Michael R. Liebowitz
Michael R. Liebowitz Columbia University
Dan J. Stein
Dan J. Stein University of Cape Town
Marcelo Q. Hoexter
Marcelo Q. Hoexter Universidade de São Paulo

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