World's Best Scientists 2026 revealed!

D-Index & Metrics

Neuroscience

D-Index
50
Citations
18730
World Ranking
5626
National Ranking
2492

Samer Hattar 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 Samer Hattar 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: 166 publications — 50th percentile

50% of scientists in this discipline score the same or lower.

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

Samer Hattar 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 Samer Hattar 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: 50 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2006 - Fellow of Alfred P. Sloan Foundation

Overview

Samer Hattar is affiliated with the National Institutes of Health in the United States, contributing extensively to the fields of neuroscience and biochemistry, genetics, and molecular biology. Their research focuses on areas such as the endocrine and autonomic systems, molecular biology, cellular and molecular neuroscience, physiology, and neurology.

The scientist's main research topics include circadian rhythm and melatonin, photoreceptor and optogenetics research, retinal development and disorders, neuroinflammation and neurodegeneration mechanisms, sleep and wakefulness research, olfactory and sensory function studies, and single-cell and spatial transcriptomics.

Among recent publications, notable papers include:

  • Association of Outdoor Artificial Light at Night With Mental Disorders and Sleep Patterns Among US Adolescents, 2020, JAMA Psychiatry
  • Diversity of satellite glia in sympathetic and sensory ganglia, 2022, Cell Reports
  • Melanopsin modulates refractive development and myopia, 2021, Experimental Eye Research
  • The retinal ipRGC-preoptic circuit mediates the acute effect of light on sleep, 2021, Nature Communications
  • Atoh7-independent specification of retinal ganglion cell identity, 2021, Science Advances

Frequent collaborators in research include:

  • Haiqing Zhao
  • Rejji Kuruvilla
  • Michael B Thomsen
  • Ruchi Komal
  • Corinne Beier

Publication venues where Samer Hattar has most frequently published are:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Science Advances
  • Journal of Biological Rhythms
  • Cell Reports
  • Biophysical Journal

Their contributions to science have been recognized with the award of Fellow of the Alfred P. Sloan Foundation in 2006.

Best Publications

  • Melanopsin-Containing Retinal Ganglion Cells: Architecture, Projections, and Intrinsic Photosensitivity

    S. Hattar;H.-W. Liao;M. Takao;D. M. Berson

  • Melanopsin and rod/cone photoreceptive systems account for all major accessory visual functions in mice.

    S. Hattar;R. J. Lucas;N. Mrosovsky;S. Thompson

  • Central projections of melanopsin-expressing retinal ganglion cells in the mouse

    Samer Hattar;Monica Kumar;Alexander Park;Patrick Tong

  • Diminished pupillary light reflex at high irradiances in melanopsin-knockout mice

    R. J. Lucas;S. Hattar;M. Takao;D. M. Berson

  • Melanopsin cells are the principal conduits for rod–cone input to non-image-forming vision

    Ali D. Güler;Jennifer L. Ecker;Gurprit S. Lall;Shafiqul Haq

  • Light as a central modulator of circadian rhythms, sleep and affect

    Tara A. LeGates;Diego C. Fernandez;Samer Hattar

  • Melanopsin-expressing retinal ganglion-cell photoreceptors: cellular diversity and role in pattern vision

    Jennifer L. Ecker;Olivia N. Dumitrescu;Kwoon Y. Wong;Nazia M. Alam

  • Intrinsically photosensitive retinal ganglion cells: many subtypes, diverse functions

    Tiffany M. Schmidt;Shih Kuo Chen;Samer Hattar;Samer Hattar

  • Aberrant light directly impairs mood and learning through melanopsin-expressing neurons

    Tara A. Legates;Cara M. Altimus;Hui Wang;Hey Kyoung Lee

  • Photoentrainment and pupillary light reflex are mediated by distinct populations of ipRGCs

    S.-K. Chen;T. C. Badea;S. Hattar;S. Hattar

  • Light Affects Mood and Learning through Distinct Retina-Brain Pathways

    Diego Carlos Fernandez;P. Michelle Fogerson;Lorenzo Lazzerini Ospri;Michael B. Thomsen

  • Rods-cones and melanopsin detect light and dark to modulate sleep independent of image formation

    C. M. Altimus;A. D. Güler;K. L. Villa;D. S. McNeill

  • Distinct roles of transcription factors Brn3a and Brn3b in controlling the development, morphology, and function of retinal ganglion cells

    Tudor C. Badea;Hugh Cahill;Jen Ecker;Samer Hattar

  • Melanopsin-Positive Intrinsically Photosensitive Retinal Ganglion Cells: From Form to Function

    Tiffany M. Schmidt;Michael Tri H. Do;Dennis Dacey;Robert Lucas

  • Rod photoreceptors drive circadian photoentrainment across a wide range of light intensities

    Cara M Altimus;Ali D Güler;Nazia M Alam;A Cyrus Arman

  • A Role for Melanopsin in Alpha Retinal Ganglion Cells and Contrast Detection

    Tiffany M. Schmidt;Nazia M. Alam;Shan Chen;Paulo Kofuji

  • Thyroid hormone signaling specifies cone subtypes in human retinal organoids.

    Kiara C. Eldred;Sarah E. Hadyniak;Katarzyna A. Hussey;Boris Brenerman

  • Impaired masking responses to light in melanopsin-knockout mice.

    N. Mrosovsky;S. Hattar

  • Melanopsin-Dependent Photoreception Provides Earliest Light Detection in the Mammalian Retina

    S. Sekaran;D. Lupi;S.L. Jones;C.J. Sheely

  • Lhx6-positive GABA-releasing neurons of the zona incerta promote sleep

    Kai Liu;Juhyun Kim;Dong Won Kim;Yi Stephanie Zhang

  • Melanopsin-dependent nonvisual responses: evidence for photopigment bistability in vivo.

    Ludovic S. Mure;Camille Rieux;Samer Hattar;Howard M. Cooper;Howard M. Cooper;Howard M. Cooper

Frequent Co-Authors

David M. Berson
David M. Berson Brown University
King Wai Yau
King Wai Yau Johns Hopkins University School of Medicine
Robert J. Lucas
Robert J. Lucas University of Manchester
Glen T. Prusky
Glen T. Prusky Cornell University
Alfredo Kirkwood
Alfredo Kirkwood Johns Hopkins University
Donald J. Zack
Donald J. Zack Johns Hopkins University School of Medicine
Seth Blackshaw
Seth Blackshaw Johns Hopkins University School of Medicine
Fred W. Turek
Fred W. Turek Northwestern University
Dennis M. Dacey
Dennis M. Dacey University of Washington
Bradford B. Lowell
Bradford B. Lowell Beth Israel Deaconess Medical Center

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