World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
58
Citations
14809
World Ranking
3847
National Ranking
412

Thomas H. Bak 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 Thomas H. Bak sits on this spectrum.

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 publications 705+

This scientist: 156 publications — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Thomas H. Bak 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 Thomas H. Bak sits on this spectrum.

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 D-Index 144+

This scientist: 58 D-Index — 67th percentile

67% of scientists in this discipline score the same or lower.

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

Overview

Thomas H. Bak is affiliated with the University of Edinburgh in the United Kingdom. Their research spans several disciplines within medicine, with a particular emphasis on cognitive neuroscience, developmental and educational psychology, psychiatry and mental health, neurology, and critical care and intensive care medicine.

The scientist's work covers multiple main topics, including:

  • Neurobiology of Language and Bilingualism
  • Dementia and Cognitive Impairment Research
  • Organ Transplantation Techniques and Outcomes
  • Liver Disease and Transplantation
  • Reading and Literacy Development
  • Amyotrophic Lateral Sclerosis Research
  • Language Development and Disorders

Among the recent papers authored or coauthored by Thomas H. Bak are the following:

  • The 2022 symposium on dementia and brain aging in low- and middle-income countries: Highlights on research, diagnosis, care, and impact (2024), published in Alzheimer's & Dementia
  • The Nairobi Declaration-Reducing the burden of dementia in low- and middle-income countries (LMICs): Declaration of the 2022 Symposium on Dementia and Brain Aging in LMICs (2023), published in Alzheimer's & Dementia
  • Comparing Face-to-face and Online Teaching of Written and Spoken Chinese to Adult Learners: An Edinburgh-Sheffield Case Study (2020), published in International Journal of Chinese Language Teaching
  • Detection of early allograft dysfunction at 30 minutes of reperfusion in liver transplantation: An intraoperative diagnostic tool with real time assessment of graft function (2020), published in The American Journal of Surgery
  • Interference suppression in bilingualism: Stimulus-Stimulus vs. Stimulus-Response conflict (2021), published in Bilingualism Language and Cognition

Frequent coauthors of Thomas H. Bak include:

  • Mariana Vega-Mendoza (5 joint publications)
  • Hunter B. Moore (4 joint publications)
  • James J. Pomposelli (4 joint publications)
  • Michael Wachs (4 joint publications)
  • Kendra D. Conzen (4 joint publications)

Thomas H. Bak's work is frequently published in venues such as:

  • Alzheimer's & Dementia (5 publications)
  • The American Journal of Surgery (4 publications)
  • Bilingualism Language and Cognition (2 publications)
  • Healthcare (2 publications)
  • International Journal of Chinese Language Teaching (1 publication)

Their interdisciplinary research integrates clinical investigation with cognitive and language studies, reflecting a broad interest in neurological health, language development, and medical outcomes related to organ transplantation and liver disease.

Best Publications

  • Criteria for the diagnosis of corticobasal degeneration.

    Melissa J. Armstrong;Irene Litvan;Anthony E. Lang;Thomas H. Bak

  • Clinicopathological correlates in frontotemporal dementia.

    John R. Hodges;John R. Hodges;R. Rhys Davies;John H. Xuereb;Barney Casey

  • Focal cortical presentations of Alzheimer's disease.

    S. Alladi;J. Xuereb;T. Bak;P. Nestor

  • Consensus classification of posterior cortical atrophy

    Sebastian J. Crutch;Jonathan M. Schott;Gil D. Rabinovici;Melissa Murray

  • Screening for cognition and behaviour changes in ALS

    Sharon Abrahams;Judith Newton;Elaine Niven;Jennifer Foley

  • Bilingualism delays age at onset of dementia, independent of education and immigration status

    Suvarna Alladi;Thomas H. Bak;Vasanta Duggirala;Bapiraju Surampudi

  • Selective impairment of verb processing associated with pathological changes in Brodmann areas 44 and 45 in the motor neurone disease-dementia-aphasia syndrome

    Thomas H. Bak;Dominic G. O'Donovan;John H. Xuereb;Simon Boniface

  • Frequency and Prognostic Value of Cognitive Disorders in Stroke Patients

    Marcin Leśniak;Thomas Bak;Wojciech Czepiel;Joanna Seniów

  • The differentiation of semantic dementia and frontal lobe dementia (temporal and frontal variants of frontotemporal dementia) from early Alzheimer's disease: a comparative neuropsychological study

    J R Hodges;K Patterson;R Ward;P Garrard

  • Cognitive impairment in patients with multiple system atrophy and progressive supranuclear palsy

    Richard G. Brown;Lucette Lacomblez;Bernard G. Landwehrmeyer;Thomas Bak

  • Does bilingualism influence cognitive aging

    Thomas H. Bak;Jack J. Nissan;Michael M. Allerhand;Ian J. Deary

  • Kissing and dancing - a test to distinguish the lexical and conceptual contributions to noun/verb and action/object dissociation. Preliminary results in patients with frontotemporal dementia

    Thomas H Bak;John R Hodges;John R Hodges

  • The effects of motor neurone disease on language: further evidence

    Thomas H. Bak;John R. Hodges;John R. Hodges

  • Dementia in Latin America: Assessing the present and envisioning the future

    Mario A. Parra;Sandra Baez;Ricardo Allegri;Ricardo Nitrini

  • Diagnostic criteria for corticobasal syndrome: a comparative study

    Robert Mathew;Thomas H Bak;John R Hodges

  • Validation of the Edinburgh Cognitive and Behavioural Amyotrophic Lateral Sclerosis Screen (ECAS): A cognitive tool for motor disorders

    Elaine Niven;Judith Newton;Jennifer Foley;Shuna Colville

  • Subcortical dementia revisited: Similarities and differences in cognitive function between progressive supranuclear palsy (PSP), corticobasal degeneration (CBD) and multiple system atrophy (MSA)

    T H Bak;L M Crawford;V C Hearn;P S Mathuranath

  • What wires together dies together: Verbs, actions and neurodegeneration in motor neuron disease

    Thomas H. Bak;Siddharthan Chandran

  • Corticobasal degeneration as a cognitive disorder.

    Naida L. Graham;Thomas H. Bak;John R. Hodges

  • Impact of Bilingualism on Cognitive Outcome After Stroke.

    Suvarna Alladi;Thomas H. Bak;Shailaja Mekala;Amulya Rajan

  • Clinical, Imaging and Pathological Correlates of a Hereditary Deficit in Verb and Action Processing.

    Thomas H. Bak;Despina Yancopoulou;Peter J. Nestor;John H. Xuereb

Frequent Co-Authors

John R. Hodges
John R. Hodges University of Sydney
Sharon Abrahams
Sharon Abrahams University of Edinburgh
Antonella Sorace
Antonella Sorace University of Edinburgh
Siddharthan Chandran
Siddharthan Chandran University of Edinburgh
Glenda M. Halliday
Glenda M. Halliday University of Sydney
Peter J. Nestor
Peter J. Nestor University of Queensland
Karalyn Patterson
Karalyn Patterson MRC Cognition and Brain Sciences Unit
Mark E. Bastin
Mark E. Bastin University of Edinburgh
Sergio Della Sala
Sergio Della Sala University of Edinburgh
Bruno Dubois
Bruno Dubois Université Paris Cité

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