World's Best Scientists 2026 revealed!

D-Index & Metrics

Neuroscience

D-Index
35
Citations
5095
World Ranking
9189
National Ranking
3882

John H. Freeman publication distribution in Neuroscience in 2026

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

38–47 publications: 18 scientists 48–57 publications: 79 scientists 58–67 publications: 193 scientists 68–77 publications: 323 scientists 78–87 publications: 406 scientists 88–97 publications: 452 scientists 98–107 publications: 539 scientists 108–117 publications: 505 scientists 118–127 publications: 522 scientists 128–137 publications: 469 scientists 138–147 publications: 456 scientists 148–157 publications: 459 scientists 158–167 publications: 397 scientists 168–177 publications: 383 scientists 178–187 publications: 350 scientists 188–197 publications: 302 scientists 198–207 publications: 306 scientists 208–217 publications: 262 scientists 218–227 publications: 242 scientists 228–237 publications: 220 scientists 238–247 publications: 203 scientists 248–257 publications: 174 scientists 258–267 publications: 176 scientists 268–277 publications: 175 scientists 278–287 publications: 125 scientists 288–297 publications: 116 scientists 298–307 publications: 127 scientists 308–317 publications: 128 scientists 318–327 publications: 99 scientists 328–337 publications: 89 scientists 338–347 publications: 78 scientists 348–357 publications: 96 scientists 358–367 publications: 66 scientists 368–377 publications: 59 scientists 378–387 publications: 65 scientists 388–397 publications: 54 scientists 398–407 publications: 48 scientists 408–417 publications: 49 scientists 418–427 publications: 34 scientists 428–437 publications: 31 scientists 438–447 publications: 30 scientists 448–457 publications: 31 scientists 458–467 publications: 36 scientists 468–477 publications: 40 scientists 478–487 publications: 35 scientists 488–497 publications: 30 scientists 498–507 publications: 23 scientists 508–517 publications: 26 scientists 518–527 publications: 20 scientists 528–537 publications: 23 scientists 538–547 publications: 20 scientists 548–557 publications: 20 scientists 558–567 publications: 17 scientists 568–577 publications: 14 scientists 578–587 publications: 20 scientists 588–597 publications: 20 scientists 598–607 publications: 19 scientists 608–617 publications: 18 scientists 618–627 publications: 17 scientists 628–637 publications: 11 scientists 638–647 publications: 11 scientists 648–657 publications: 11 scientists 658–667 publications: 8 scientists 668–677 publications: 7 scientists 678–687 publications: 11 scientists 688–697 publications: 10 scientists 698–707 publications: 4 scientists 708–717 publications: 6 scientists 718–727 publications: 5 scientists 728–737 publications: 5 scientists 738–747 publications: 9 scientists 748–757 publications: 9 scientists 758–767 publications: 3 scientists 768–777 publications: 7 scientists 778–787 publications: 7 scientists 788–797 publications: 6 scientists 798–807 publications: 2 scientists 808–817 publications: 2 scientists 818–827 publications: 7 scientists 828–837 publications: 0 scientists 838–847 publications: 9 scientists 848–857 publications: 3 scientists 858–867 publications: 1 scientists 868–877 publications: 3 scientists 878–886 publications: 6 scientists 887+ publications: 100 scientists
38 publications 887+

This scientist: 122 publications — 29th percentile

29% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 887 publications or more.

John H. Freeman D-index placement in Neuroscience in 2026

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

30–31 D-Index: 42 scientists 32–33 D-Index: 172 scientists 34–35 D-Index: 296 scientists 36–37 D-Index: 435 scientists 38–39 D-Index: 459 scientists 40–41 D-Index: 456 scientists 42–43 D-Index: 467 scientists 44–45 D-Index: 478 scientists 46–47 D-Index: 512 scientists 48–49 D-Index: 435 scientists 50–51 D-Index: 425 scientists 52–53 D-Index: 418 scientists 54–55 D-Index: 392 scientists 56–57 D-Index: 357 scientists 58–59 D-Index: 334 scientists 60–61 D-Index: 328 scientists 62–63 D-Index: 260 scientists 64–65 D-Index: 278 scientists 66–67 D-Index: 239 scientists 68–69 D-Index: 250 scientists 70–71 D-Index: 210 scientists 72–73 D-Index: 200 scientists 74–75 D-Index: 189 scientists 76–77 D-Index: 170 scientists 78–79 D-Index: 146 scientists 80–81 D-Index: 113 scientists 82–83 D-Index: 126 scientists 84–85 D-Index: 100 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 99 scientists 90–91 D-Index: 84 scientists 92–93 D-Index: 85 scientists 94–95 D-Index: 72 scientists 96–97 D-Index: 76 scientists 98–99 D-Index: 45 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 43 scientists 104–105 D-Index: 32 scientists 106–107 D-Index: 45 scientists 108–109 D-Index: 50 scientists 110–111 D-Index: 32 scientists 112–113 D-Index: 39 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 27 scientists 120–121 D-Index: 19 scientists 122–123 D-Index: 23 scientists 124–125 D-Index: 27 scientists 126–127 D-Index: 16 scientists 128–129 D-Index: 24 scientists 130–131 D-Index: 13 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 14 scientists 138–139 D-Index: 15 scientists 140–141 D-Index: 10 scientists 142–143 D-Index: 10 scientists 144–145 D-Index: 13 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 8 scientists 150–151 D-Index: 6 scientists 152–153 D-Index: 6 scientists 154–155 D-Index: 7 scientists 156–157 D-Index: 7 scientists 158–159 D-Index: 10 scientists 160–161 D-Index: 4 scientists 162 D-Index: 8 scientists 163+ D-Index: 100 scientists
30 D-Index 163+

This scientist: 35 D-Index — 5th percentile

5% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 163 D-Index or more.

Overview

John H. Freeman is affiliated with the University of Iowa in the United States. Their research primarily focuses on neuroscience, with a particular emphasis on cognitive neuroscience, neurology, and cellular and molecular neuroscience. Their work also spans into related areas such as social psychology and developmental and educational psychology.

The main topics explored in their research include:

  • Memory and Neural Mechanisms
  • Vestibular and auditory disorders
  • Neural dynamics and brain function
  • Child and Animal Learning Development
  • Neural and Behavioral Psychology Studies
  • Neuroscience and Neuropharmacology Research
  • Neuroscience and Music Perception

Freeman has contributed to studies published in various scientific venues, with repeated publications in:

  • Neurobiology of Learning and Memory
  • Journal of Neuroscience
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Behavioral Neuroscience
  • Research Square (Research Square)

Recent papers authored or coauthored by Freeman include:

  • "Category learning in rodents using touchscreen-based tasks" (2020) published in Genes Brain & Behavior
  • "Prelimbic cortex maintains attention to category-relevant information and flexibly updates category representations" (2021) published in Neurobiology of Learning and Memory
  • "The Lords of the Rings: People and pigeons take different paths mastering the concentric-rings categorization task" (2021) published in Cognition
  • "Dynamic Changes in Local Activity and Network Interactions among the Anterior Cingulate, Amygdala, and Cerebellum during Associative Learning" (2023) published in Journal of Neuroscience
  • "Theta oscillations in rat infralimbic cortex are associated with the inhibition of cocaine seeking during extinction" (2021) published in Addiction Biology

Frequently collaborating with others, Freeman has coauthored work with several researchers multiple times. Notable coauthors include:

  • Jangjin Kim
  • Matthew B. Broschard
  • Sean J. Farley
  • K L Parker
  • Bradley C. Love

The combination of extensive work in neuroscience and related subfields, along with collaborations across multiple research groups, reflects Freeman's integration into active research communities and focus on understanding neural mechanisms underlying cognitive functions and behavior.

Best Publications

  • The Liability of Newness: Age Dependence in Organizational Death Rates

    John Freeman;Glenn R. Carroll;Michael T. Hannan

  • The acid-activated ion channel ASIC contributes to synaptic plasticity, learning, and memory.

    John A. Wemmie;Jianguo Chen;Jianguo Chen;Candice C. Askwith;Candice C. Askwith;Alesia M. Hruska-Hageman;Alesia M. Hruska-Hageman

  • Acid-Sensing Ion Channel 1 Is Localized in Brain Regions with High Synaptic Density and Contributes to Fear Conditioning

    John A. Wemmie;Candice C. Askwith;Ejvis Lamani;Martin D. Cassell

  • Synapse formation is associated with memory storage in the cerebellum

    Jeffrey A. Kleim;John H. Freeman;Rochelle Bruneau;Brian C. Nolan

  • Neural circuitry and plasticity mechanisms underlying delay eyeblink conditioning.

    John H. Freeman;Adam B. Steinmetz

  • Eyeblink conditioning in the developing rat.

    Mark E. Stanton;John H. Freeman;Ronald W. Skelton

  • Context-specific multi-site cingulate cortical, limbic thalamic, and hippocampal neuronal activity during concurrent discriminative approach and avoidance training in rabbits

    JH Freeman;C Cuppernell;K Flannery;M Gabriel

  • Cerebellar learning mechanisms

    John H. Freeman

  • Developmental Changes in Eye-Blink Conditioning and Neuronal Activity in the Cerebellar Interpositus Nucleus

    John H. Freeman;Daniel A. Nicholson

  • Oxford handbook of developmental behavioral neuroscience

    Mark Samuel Blumberg;John Henry Freeman;Scott R. Robinson

  • Medial prefrontal cortex lesions and spatial delayed alternation in the developing rat: recovery or sparing?

    John H. Freeman;Mark E. Stanton

  • Fimbria-fornix transections disrupt the ontogeny of delayed alternation but not position discrimination in the rat.

    John H. Freeman;Mark E. Stanton

  • Medial auditory thalamic nuclei are necessary for eyeblink conditioning.

    Hunter E. Halverson;John H. Freeman

  • Lesions of the perirhinal cortex impair sensory preconditioning in rats

    Daniel A Nicholson;John H Freeman

  • Addition of inhibition in the olivocerebellar system and the ontogeny of a motor memory.

    Daniel A. Nicholson;John H. Freeman

  • Lesions of the entorhinal cortex disrupt behavioral and neuronal responses to context change during extinction of discriminative avoidance behavior.

    John H. Freeman;Aldis Weible;Joseph Rossi;M. Gabriel

  • Disruption of cerebellar maturation by an antimitotic agent impairs the ontogeny of eyeblink conditioning in rats

    J.H. Freeman;S. Barone;M.E. Stanton

  • Early cerebellar lesions impair eyeblink conditioning in developing rats: differential effects of unilateral lesions on postnatal day 10 or 20.

    John H. Freeman;Christy S. Carter;Mark E. Stanton

  • Medial auditory thalamic input to the lateral pontine nuclei is necessary for auditory eyeblink conditioning

    Hunter E. Halverson;John H. Freeman

  • Differential Effects of Cerebellar Inactivation on Eyeblink Conditioned Excitation and Inhibition

    John H. Freeman;Hunter E. Halverson;Amy Poremba

  • Amygdala Modulation of Cerebellar Learning

    Sean J. Farley;Jason J. Radley;John H. Freeman

Frequent Co-Authors

Mark E. Stanton
Mark E. Stanton University of Delaware
Michael Gabriel
Michael Gabriel University of Illinois at Urbana-Champaign
Edward A. Wasserman
Edward A. Wasserman University of Iowa
John A. Wemmie
John A. Wemmie University of Iowa
Michael J. Welsh
Michael J. Welsh University of Iowa
Daniel S. O'Leary
Daniel S. O'Leary University of Iowa
Bradley C. Love
Bradley C. Love University College London
Rick Richardson
Rick Richardson University of New South Wales
Michael S. Fanselow
Michael S. Fanselow University of California, Los Angeles
Nancy C. Andreasen
Nancy C. Andreasen University of Iowa

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