World's Best Scientists 2026 revealed!

D-Index & Metrics

Neuroscience

D-Index
39
Citations
6909
World Ranking
8283
National Ranking
3552

Andras Hajnal 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 Andras Hajnal 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: 170 publications — 51st percentile

51% of scientists in this discipline score the same or lower.

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

Andras Hajnal 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 Andras Hajnal 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: 39 D-Index — 15th percentile

15% of scientists in this discipline score the same or lower.

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

Overview

Andras Hajnal is affiliated with Pennsylvania State University in the United States. Their research primarily spans the fields of Medicine and Neuroscience, with a significant focus on subfields such as Endocrine and Autonomic Systems, Physiology, Cellular and Molecular Neuroscience, Clinical Psychology, and Nutrition and Dietetics.

The main topics covered in Andras Hajnal's work include:

  • Regulation of Appetite and Obesity
  • Diet and metabolism studies
  • Gut microbiota and health
  • Biochemical Analysis and Sensing Techniques
  • Neuropeptides and Animal Physiology
  • Bipolar Disorder and Treatment
  • Bariatric Surgery and Outcomes

Several research papers authored or co-authored by Andras Hajnal demonstrate their focus on neurobiology, metabolism, and gut-brain interactions. Notable recent publications include:

  • "Role of Microbiota-Gut-Brain Axis in Regulating Dopaminergic Signaling" (2022), published in Biomedicines
  • "Glucagon-like peptide-1 receptor agonist, liraglutide, reduces heroin self-administration and drug-induced reinstatement of heroin-seeking behaviour in rats" (2021), published in Addiction Biology
  • "Consumption of a high energy density diet triggers microbiota dysbiosis, hepatic lipidosis, and microglia activation in the nucleus of the solitary tract in rats" (2020), published in Nutrition and Diabetes
  • "Influence of Bariatric Surgery on Gut Microbiota Composition and Its Implication on Brain and Peripheral Targets" (2024), published in Nutrients
  • "Impact of Nutrition, Microbiota Transplant and Weight Loss Surgery on Dopaminergic Alterations in Parkinson's Disease and Obesity" (2022), published in International Journal of Molecular Sciences

Hajnal frequently collaborates with a group of coauthors including Tamás Tényi, Nelli Horvath, Krzysztof Czaja, Tímea Csulak, and Róbert Herold.

Their work appears regularly in a set of scientific venues with multiple publications in:

  • Nutrients
  • Frontiers in Psychiatry
  • International Journal of Molecular Sciences
  • Alcohol Clinical and Experimental Research
  • Alcohol and Alcoholism

Best Publications

  • Oral sucrose stimulation increases accumbens dopamine in the rat

    Andras Hajnal;Gerard P. Smith;Ralph Norgren

  • Disruption of BCATm in Mice Leads to Increased Energy Expenditure Associated with the Activation of a Futile Protein Turnover Cycle

    Pengxiang She;Tanya M. Reid;Sarah K. Bronson;Thomas C. Vary

  • Accumbens dopamine mechanisms in sucrose intake.

    Andras Hajnal;Ralph Norgren

  • Role of Microbiota-Gut-Brain Axis in Regulating Dopaminergic Signaling

    Unknown

  • Diet-driven microbiota dysbiosis is associated with vagal remodeling and obesity

    Tanusree Sen;Carolina R. Cawthon;Benjamin Thomas Ihde;Andras Hajnal

  • Sham feeding corn oil increases accumbens dopamine in the rat.

    Nu Chu Liang;Andras Hajnal;Ralph Norgren

  • Gustatory reward and the nucleus accumbens

    R. Norgren;A. Hajnal;S.S. Mungarndee

  • Dopamine and binge eating behaviors.

    Nicholas T. Bello;Andras Hajnal

  • Hormonal and metabolic effects of olanzapine and clozapine related to body weight in rodents

    Vance L. Albaugh;Cathy R. Henry;Nicholas T. Bello;Andras Hajnal

  • Repeated sucrose access influences dopamine D2 receptor density in the striatum.

    Nicholas T. Bello;Louis R. Lucas;Andras Hajnal

  • Self-administration of cocaine increases the release of acetylcholine to a greater extent than response-independent cocaine in the nucleus accumbens of rats.

    Gregory P. Mark;Andras Hajnal;Anthony E. Kinney;Alan S. Keys

  • Energy-dense diet triggers changes in gut microbiota, reorganization of gut­brain vagal communication and increases body fat accumulation.

    Alexandra C Vaughn;Erin M Cooper;Patricia M DiLorenzo;Levi J O'Loughlin

  • Gastric bypass surgery alters behavioral and neural taste functions for sweet taste in obese rats

    Andras Hajnal;Peter Kovacs;Tamer A Ahmed;Katia Meirelles

  • Restricted feeding with scheduled sucrose access results in an upregulation of the rat dopamine transporter.

    Nicholas T. Bello;Kristi L. Sweigart;Joan M. Lakoski;Ralph Norgren

  • Repeated access to sucrose augments dopamine turnover in the nucleus accumbens.

    Andras Hajnal;Ralph Norgren

  • Taste pathways that mediate accumbens dopamine release by sapid sucrose.

    Andras Hajnal;Ralph Norgren

  • Roux-en-Y gastric bypass reverses the effects of diet-induced obesity to inhibit the responsiveness of central vagal motoneurones

    Kirsteen N. Browning;Samuel R. Fortna;Andras Hajnal

  • Alcohol Reward Is Increased after Roux-en-Y Gastric Bypass in Dietary Obese Rats with Differential Effects following Ghrelin Antagonism

    Andras Hajnal;Alevtina Zharikov;James E. Polston;Maxine R. Fields

  • Effect of Intraduodenal Lipid on Parabrachial Gustatory Coding in Awake Rats

    Andras Hajnal;Kaoru Takenouchi;Ralph Norgren

  • The gut in the brain: the effects of bariatric surgery on alcohol consumption

    Ashley N. Blackburn;Andras Hajnal;Lorenzo Leggio;Lorenzo Leggio

  • More results on Ramsey-Turán type problems

    P. Erdős;A. Hajnal;Vera T. Sós;E. Szemerédi

  • Altered taste sensitivity in obese, prediabetic OLETF rats lacking CCK-1 receptors.

    Andras Hajnal;Mihai Covasa;Nicholas T. Bello

Frequent Co-Authors

Ralph Norgren
Ralph Norgren Pennsylvania State University
Patricia S. Grigson
Patricia S. Grigson Pennsylvania State University
Nora D. Volkow
Nora D. Volkow National Institutes of Health
Kirsteen N. Browning
Kirsteen N. Browning Pennsylvania State University
Imre Vida
Imre Vida Charité - University Medicine Berlin
Gene-Jack Wang
Gene-Jack Wang National Institutes of Health
Endre Szemerédi
Endre Szemerédi Alfréd Rényi Institute of Mathematics
Bartley G. Hoebel
Bartley G. Hoebel Princeton University
Gregory P. Mark
Gregory P. Mark Oregon Health & Science University
Miklós Simonovits
Miklós Simonovits Alfréd Rényi Institute of Mathematics

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Related Online Degrees & Career Pathways

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If your interests lie in supporting families and relationships, a family therapy degree is another pathway closely aligned with neuroscience concepts. Moreover, advancing your studies with one of the cheapest online master's degree in psychology programs can enhance your credentials and unlock further professional opportunities.

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