World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
72
Citations
22597
World Ranking
2041
National Ranking
1191

Alexander I. Tröster 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 Alexander I. Tröster 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: 186 publications — 64th percentile

64% of scientists in this discipline score the same or lower.

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

Alexander I. Tröster 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 Alexander I. Tröster 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: 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.

Research.com Recognitions

  • 2011 - Fellow of the American Psychological Association (APA)

Overview

Alexander I. Tröster is affiliated with the Barrow Neurological Institute in the United States. Their research primarily focuses on the fields of medicine with a strong emphasis on neurology. Their work covers subfields such as neurology, cellular and molecular neuroscience, complementary and alternative medicine, psychiatry and mental health, and cognitive neuroscience.

The scientist's main topics of study include:

  • Parkinson's Disease Mechanisms and Treatments
  • Neurological disorders and treatments
  • Genetic Neurodegenerative Diseases
  • Ginkgo biloba and Cashew Applications
  • Transcranial Magnetic Stimulation Studies
  • Dementia and Cognitive Impairment Research
  • Neurological and metabolic disorders

Alexander I. Tröster has published research in various venues, notably:

  • UNC Libraries
  • Movement Disorders Clinical Practice
  • Neurology
  • Neurosurgery
  • The Lancet Neurology

Among recent papers linked to or authored by the scientist are:

  • "Diagnostic criteria for mild cognitive impairment in Parkinson's disease: Movement Disorder Society Task Force guidelines" (2020, UNC Libraries)
  • "Subthalamic nucleus deep brain stimulation with a multiple independent constant current-controlled device in Parkinson's disease (INTREPID): a multicentre, double-blind, randomised, sham-controlled study" (2020, The Lancet Neurology)
  • "Non-motor symptoms and striatal dopamine transporter binding in early Parkinson's disease" (2020, Parkinsonism & Related Disorders)
  • "Level I PD-MCI Using Global Cognitive Tests and the Risk for Parkinson's Disease Dementia" (2022, Movement Disorders Clinical Practice)
  • "Developments in the prediction of cognitive changes following deep brain stimulation in persons with Parkinson's disease" (2024, Expert Review of Neurotherapeutics)

Frequent co-authors collaborating with Alexander I. Tröster include:

  • Michael S. Okun
  • Irene Litvan
  • Jennifer G. Goldman
  • Daniel Weintraub
  • Lung-Chi Chen

Alexander I. Tröster received the designation of Fellow of the American Psychological Association (APA) in 2011.

Best Publications

  • Diagnostic Criteria for Mild Cognitive Impairment in Parkinson’s Disease: Movement Disorder Society Task Force Guidelines

    Irene Litvan;Jennifer G. Goldman;Alexander I. Tröster;Ben A. Schmand

  • Criteria for the diagnosis of corticobasal degeneration.

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

  • Symptom validity assessment: practice issues and medical necessity NAN policy & planning committee.

    Shane S. Bush;Ronald M. Ruff;Alexander I. Tröster;Jeffrey T. Barth

  • MDS Task Force on Mild Cognitive Impairment in Parkinson’s disease: Critical Review of PD-MCI

    Irene Litvan;Dag Aarsland;Charles H. Adler;Jennifer G. Goldman

  • Long-term efficacy and safety of thalamic stimulation for drug-resistant partial epilepsy

    Vicenta Salanova;Thomas Witt;Robert Worth;Thomas R. Henry

  • Cognitive sequelae of subthalamic nucleus deep brain stimulation in Parkinson's disease: a meta-analysis

    Thomas D Parsons;Steven A Rogers;Alyssa J Braaten;Steven Paul Woods

  • Randomized trial of deep brain stimulation for Parkinson disease: thirty-six-month outcomes.

    Frances M. Weaver;Frances M. Weaver;Kenneth A. Follett;Matthew B. Stern;Matthew B. Stern;Ping Luo

  • Deep brain stimulation: neuropsychological and neuropsychiatric issues.

    Valerie Voon;Valerie Voon;Cynthia Kubu;Paul Krack;Jean-Luc Houeto

  • Subthalamic deep brain stimulation with a constant-current device in Parkinson's disease: an open-label randomised controlled trial.

    Michael S. Okun;Bruno V. Gallo;George Mandybur;Jonathan Jagid

  • Long-term safety and efficacy of unilateral deep brain stimulation of the thalamus in essential tremor.

    William C. Koller;Kelly E. Lyons;Steven B. Wilkinson;Alexander I. Troster

  • Deep brain stimulation: postoperative issues.

    Günther Deuschl;Jan Herzog;Galit Kleiner-Fisman;Cynthia Kubu

  • Deep brain stimulation: preoperative issues.

    Anthony E. Lang;Jean Luc Houeto;Paul Krack;Cynthia Kubu

  • Cortical and subcortical influences on clustering and switching in the performance of verbal fluency tasks

    Alexander I. Tröster;Julie A. Fields;Julie A. Testa;Robert H. Paul

  • Differentiation of amnesic and demented patients with the wechsler memory scale -revised

    Nelson Butters;David P. Salmon;C. Munro Cullum;Patricia Cairns

  • Action (verb naming) fluency as an executive function measure: convergent and divergent evidence of validity.

    Andrea L Piatt;Julie A Fields;Anthony M Paolo;Alexander I Tröster

  • Prodromal frontal/executive dysfunction predicts incident dementia in Parkinson's disease.

    Steven Paul Woods;Alexander I. Tröster

  • Selected cases of poor outcome following a minor brain trauma: Comparing neuropsychological and positron emission tomography assessment

    Ronald M. Ruff;J. A. Crouch;A. I. Tröster;L. F. Marshall

  • Lexical, Semantic, and Action Verbal Fluency in Parkinson's Disease with and without Dementia

    Andrea L. Piatt;Julie A. Fields;Anthony M. Paolo;William C. Koller

  • A comparison of the category fluency deficits associated with Alzheimer's and Huntington's disease.

    Alexander I. Tröster;David P. Salmon;Donna McCullough;Nelson Butters;Nelson Butters

  • Neuropsychological deficits in essential tremor: an expression of cerebello-thalamo-cortical pathophysiology?

    A. I. Tröster;S. P. Woods;J. A. Fields;K. E. Lyons

  • Gender differences in Parkinson's disease.

    K E Lyons;J P Hubble;A I Tröster;R Pahwa

Frequent Co-Authors

William C. Koller
William C. Koller University of Miami
Rajesh Pahwa
Rajesh Pahwa University of Kansas
Kelly E. Lyons
Kelly E. Lyons University of Kansas
Steven Paul Woods
Steven Paul Woods University of Houston
David P. Salmon
David P. Salmon University of California, San Diego
Irene Litvan
Irene Litvan University of California, San Diego
Xuemei Huang
Xuemei Huang Pennsylvania State University
Joseph J. Ryan
Joseph J. Ryan University of Central Missouri
Jennifer G. Goldman
Jennifer G. Goldman Shirley Ryan AbilityLab
William W. Beatty
William W. Beatty University of Oklahoma Health Sciences Center

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