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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Social Sciences and Humanities 37 6101 5664 2915 2656 94 10164

Karen Schwab publications per year

The chart shows the history of publications by Karen Schwab between 1981 and 2023, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Karen Schwab published across 43 years, from 1981 to 2023, averaging 2.3 papers a year. Output peaked at 9 publications in 2018. 2 of the 100 publications appeared in the last two years.

No. of publications
2 4 6 8
Bar chart. Horizontal axis: year, 1981 to 2023. Vertical axis: number of publications, 0 to 9. Peak 9 publications in 2018. 1981: 2 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 1 publication 1991: 1 publication 1992: 0 publications 1993: 2 publications 1994: 1 publication 1995: 1 publication 1996: 3 publications 1997: 1 publication 1998: 1 publication 1999: 4 publications 2000: 5 publications 2001: 1 publication 2002: 2 publications 2003: 4 publications 2004: 1 publication 2005: 1 publication 2006: 4 publications 2007: 3 publications 2008: 5 publications 2009: 4 publications 2010: 6 publications 2011: 3 publications 2012: 1 publication 2013: 5 publications 2014: 1 publication 2015: 7 publications 2016: 3 publications 2017: 4 publications 2018: 9 publications 2019: 5 publications 2020: 5 publications 2021: 2 publications 2022: 0 publications 2023: 2 publications
1981 2023

100 publications in total across all disciplines

View publications per year as a table
Karen Schwab: publications per year, 1981 to 2023
Year Publications
1981 2
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 1
1991 1
1992 0
1993 2
1994 1
1995 1
1996 3
1997 1
1998 1
1999 4
2000 5
2001 1
2002 2
2003 4
2004 1
2005 1
2006 4
2007 3
2008 5
2009 4
2010 6
2011 3
2012 1
2013 5
2014 1
2015 7
2016 3
2017 4
2018 9
2019 5
2020 5
2021 2
2022 0
2023 2
Total 100
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Karen Schwab 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 Karen Schwab 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, 94–103 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: 94 publications — 11th percentile

11% 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 94
104–113 406
114–123 474
124–133 453
134–143 434
144–153 407
154–163 411
164–173 391
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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Karen Schwab 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 Karen Schwab 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, 37 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: 37 D-Index — 23rd percentile

23% 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 37
38 278
39 300
40 297
41 308
42 313
43 300
44 269
45 260
46 228
47 251
48 203
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

Karen Schwab is affiliated with the Uniformed Services University of the Health Sciences in the United States. Their research primarily focuses on medicine, with specific attention to emergency medicine, neurology, epidemiology, psychiatry and mental health, as well as surgery. Schwab's work spans various intersecting topics that include traumatic brain injury (TBI) and neurovascular disturbances, cardiac arrest and resuscitation, migraine and headache studies, trauma and emergency care, cardiovascular syncope and autonomic disorders, and pain management with aspects of the placebo effect.

Among the recent scholarly contributions, Schwab has authored and coauthored studies such as:

  • Posttraumatic vs nontraumatic headaches (2020, Neurology)
  • Estimates of Long-Term Disability Among US Service Members With Traumatic Brain Injuries (2020, Journal of Head Trauma Rehabilitation)
  • Plasma calcitonin gene-related peptide and nerve growth factor as headache and pain biomarkers in recently deployed soldiers with and without a recent concussion (2023, Headache The Journal of Head and Face Pain)
  • Headache complexity (number of symptom features) differentiates post-traumatic from non-traumatic headaches (2020, Cephalalgia)
  • Secondary thalamic injury (2020, Neurology)

These publications focus significantly on the differentiation and biomarkers of headache conditions in relation to trauma, alongside broader considerations of long-term disability and pathophysiological mechanisms in brain injury research.

Frequent co-authors who have collaborated on multiple publications with Schwab include:

  • I Scher
  • Lisa A. Brenner
  • Wesley R. Cole
  • Heidi Terrio
  • Alan G. Finkel

Schwab's research has been published in several prominent peer-reviewed journals, with repeated contributions to:

  • Neurology
  • Journal of Head Trauma Rehabilitation
  • Headache The Journal of Head and Face Pain
  • Cephalalgia
  • Military Medicine

Overall, Schwab's scientific output reflects a concentrated engagement in the study of traumatic brain injuries, associated neurological symptoms, and clinical rehabilitation outcomes, with a methodological approach grounded in epidemiological and clinical research frameworks. Their work contributes to understanding complex post-traumatic conditions affecting military and civilian populations alike.

Best Publications

  • Position Statement: Definition of Traumatic Brain Injury

    David K. Menon;Karen Schwab;David W. Wright;Andrew I. R. Maas

  • The natural history of symptomatic arteriovenous malformations of the brain: a 24-year follow-up assessment.

    Stephen L. Ondra;Henry Troupp;Eugene D. George;Karen Schwab

  • Frontal lobe injuries, violence, and aggression: A report of the Vietnam Head Injury Study

    Jordan Grafman;Karen Schwab;D. Warden;A. Pridgen

  • Traumatic brain injury screening: preliminary findings in a US Army Brigade Combat Team.

    Heidi Terrio;Lisa A. Brenner;Brian J. Ivins;John M. Cho

  • Screening for traumatic brain injury in troops returning from deployment in Afghanistan and Iraq: initial investigation of the usefulness of a short screening tool for traumatic brain injury.

    Karen A. Schwab;Brian Ivins;Gayle Cramer;Wayne Johnson

  • Cognitive Rehabilitation for Traumatic Brain Injury: A Randomized Trial

    Andres M. Salazar;Deborah L. Warden;Karen Schwab;Jack Spector

  • Traumatic Brain Injury, Posttraumatic Stress Disorder, and Postconcussive Symptom Reporting Among Troops Returning From Iraq

    Lisa A. Brenner;Brian J. Ivins;Karen Schwab;Deborah Warden

  • Common Data Elements for Traumatic Brain Injury: Recommendations From the Interagency Working Group on Demographics and Clinical Assessment

    Andrew I. R. Maas;Cynthia L. Harrison-Felix;David Menon;P. David Adelson

  • Traumatic brain injury in the United States: an epidemiologic overview

    Carl R. Summers;Brian Ivins;Karen A. Schwab

  • Rehabilitation of Traumatic Brain Injury in Active Duty Military Personnel and Veterans: Defense and Veterans Brain Injury Center Randomized Controlled Trial of Two Rehabilitation Approaches

    Rodney D. Vanderploeg;Rodney D. Vanderploeg;Karen Schwab;Karen Schwab;William C. Walker;William C. Walker;Jennifer A. Fraser

  • Update on the Epidemiology of Concussion/Mild Traumatic Brain Injury.

    Jameson D. Voss;Joseph Connolly;Karen A. Schwab;Ann I. Scher

  • Standardizing data collection in traumatic brain injury.

    Andrew I.R. Maas;Cynthia L. Harrison-Felix;David Menon;P. David Adelson

  • Long-term treatment of malignant gliomas with intramuscularly administered polyinosinic-polycytidylic acid stabilized with polylysine and carboxymethylcellulose: an open pilot study.

    Andres M. Salazar;Hilton B. Levy;Steven Ondra;Meir Kende

  • Test–Retest Reliability of Four Computerized Neurocognitive Assessment Tools in an Active Duty Military Population

    Wesley R. Cole;Jacques P. Arrieux;Karen Schwab;Brian J. Ivins

  • Overlap of Mild TBI and Mental Health Conditions in Returning OIF/OEF Service Members and Veterans

    Henry L Lew;Rodney D Vanderploeg;David F Moore;Karen Schwab

  • The Brief Traumatic Brain Injury Screen (btbis): Investigating the Validity of a Self-report Instrument for Detecting Traumatic Brain Injury (tbi) in Troops Returning from Deployment in Afghanistan and Iraq

    Karen A. Schwab;Gayle Baker;Brian J. Ivins;Melissa Sluss-tiller

  • Residual impairments and work status 15 years after penetrating head injury: Report from the Vietnam Head Injury Study

    Karen Schwab;Karen Schwab;Jordan Grafman;Andres M. Salazar;Joan Kraft

  • The Structure of Postconcussive Symptoms in 3 US Military Samples

    Leslie J. Caplan;Brian Ivins;John H. Poole;Rodney D. Vanderploeg

  • Epidemiology and prognosis of mild traumatic brain injury in returning soldiers: A cohort study

    Karen Schwab;Heidi P. Terrio;Lisa A. Brenner;Renee M. Pazdan

  • Outcome after traumatic brain injury in the U.S. military medical system.

    A. K. Ommaya;Andres M. Salazar;A. L. Dannenberg;A. B. Chervinsky

  • A national survey of neurosurgical care for penetrating head injury.

    Howard H. Kaufman;Karen Schwab;Andres M. Salazar

Frequent Co-Authors

Lisa A. Brenner
Lisa A. Brenner University of Colorado Anschutz Medical Campus
Rodney D. Vanderploeg
Rodney D. Vanderploeg University of South Florida
Jordan Grafman
Jordan Grafman Northwestern University
David K. Menon
David K. Menon University of Cambridge
Andrew I. R. Maas
Andrew I. R. Maas University of Antwerp
Glenn Curtiss
Glenn Curtiss University of South Florida
Mieke Verfaellie
Mieke Verfaellie Boston University
Grant L. Iverson
Grant L. Iverson Harvard University
Richard G. Ellenbogen
Richard G. Ellenbogen University of Washington
Ross Bullock
Ross Bullock University of Miami

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