World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
68
Citations
21647
World Ranking
2450
National Ranking
1421

Richard J. Haier 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 Richard J. Haier 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: 167 publications — 57th percentile

57% of scientists in this discipline score the same or lower.

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

Richard J. Haier 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 Richard J. Haier 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: 68 D-Index — 79th percentile

79% of scientists in this discipline score the same or lower.

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

Overview

Richard J. Haier is affiliated with the University of California, Irvine, in the United States. Their research broadly spans several disciplines, with a primary focus on psychology and neuroscience, complemented by work in computer science.

Their main fields of study include:

  • Psychology
  • Neuroscience
  • Computer Science

Within these fields, Haier's subfields of specialization cover:

  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience
  • Social Psychology
  • Artificial Intelligence
  • Genetics

Their research topics emphasize cognitive processes and brain function, including:

  • Cognitive Abilities and Testing
  • Functional Brain Connectivity Studies
  • Emotional Intelligence and Performance
  • Neural and Behavioral Psychology Studies
  • Cognitive Science and Mapping
  • Genetic Associations and Epidemiology
  • Genetics and Neurodevelopmental Disorders

Haier has contributed articles to multiple publication venues, primarily:

  • Cambridge University Press eBooks
  • Intelligence

Recent papers include:

  • Academic freedom and social responsibility: Finding a balance, 2020, published in Intelligence
  • Are we thinking big enough about the road ahead? Overview of the special issue on the future of intelligence research, 2021, published in Intelligence
  • Index, 2021, published in Cambridge University Press eBooks
  • Index, 2023, published in Cambridge University Press eBooks
  • Index, 2023, published in Cambridge University Press eBooks

Haier has also authored books published by Cambridge University Press. Two noted titles from 2023 are:

  • The Science of Human Intelligence
  • The Neuroscience of Intelligence

Frequent collaborators in Haier's work include:

  • Roberto Colom
  • Earl Hunt
  • Aron K. Barbey
  • Sherif Karama

Best Publications

  • The Parieto-Frontal Integration Theory (P-FIT) of intelligence: converging neuroimaging evidence.

    Rex E. Jung;Richard J. Haier

  • Schizophrenia: The epigenetic puzzle

    Richard J. Haier

  • Amygdala activity at encoding correlated with long-term, free recall of emotional information.

    Larry Cahill;Richard J. Haier;James Fallon;Michael T. Alkire

  • Cortical glucose metabolic rate correlates of abstract reasoning and attention studied with positron emission tomography

    Richard J. Haier;Benjamin V. Siegel;Keith H. Nuechterlein;Erin Hazlett

  • Structural brain variation and general intelligence.

    Richard J. Haier;Rex E. Jung;Ronald A. Yeo;Kevin Head

  • Regional glucose metabolic changes after learning a complex visuospatial/motor task: a positron emission tomographic study.

    Richard J. Haier;Benjamin V. Siegel;Andrew MacLachlan;Eric Soderling

  • Sex-related difference in amygdala activity during emotionally influenced memory storage.

    Larry Cahill;Richard J. Haier;T. Nathan S. White;James Fallon

  • Intelligence and changes in regional cerebral glucose metabolic rate following learning

    Richard J. Haier;Benjamin V. Siegel;Chuck Tang;Lennart Abel

  • The neuroanatomy of general intelligence: sex matters

    Richard J. Haier;Rex E. Jung;Ronald A. Yeo;Kevin Head

  • Toward a unified theory of narcosis: brain imaging evidence for a thalamocortical switch as the neurophysiologic basis of anesthetic-induced unconsciousness.

    M.T. Alkire;R.J. Haier;J.H. Fallon

  • Neuroanatomy of creativity.

    Rex E. Jung;Rex E. Jung;Judith M. Segall;H. Jeremy Bockholt;Ranee A. Flores

  • Frontostriatal disorder of cerebral metabolism in never-medicated schizophrenics.

    M S Buchsbaum;R J Haier;S G Potkin;K Nuechterlein

  • Glucose metabolic rate in normals and schizophrenics during the Continuous Performance Test assessed by positron emission tomography.

    Monte S. Buchsbaum;Keith H. Nuechterlein;Richard J. Haier;Joseph Wu

  • Cerebral metabolism during propofol anesthesia in humans studied with positron emission tomography

    Michael T. Alkire;Richard J. Haier;Steven J. Barker;Nitin K. Shah

  • PET and MRI of the Thalamus in Never-Medicated Patients With Schizophrenia

    Monte S. Buchsbaum;Toshiyuki Someya;Chuck Ying Teng;Lennart Abel

  • Human intelligence and brain networks

    Roberto Colom;Sherif Karama;Rex E. Jung;Richard J. Haier

  • Distributed brain sites for the g-factor of intelligence.

    Roberto Colom;Rex E. Jung;Richard J. Haier

  • A controlled trial of desipramine in 18 men with posttraumatic stress disorder.

    Christopher Reist;Curtis D. Kauffmann;Richard J. Haier;Christopher Sangdahl

  • Intrinsic Enjoyment and Boredom Coping scales: Validation with personality, evoked potential and attention measures.

    Jean A. Hamilton;Jean A. Hamilton;Richard J. Haier;Monte S. Buchsbaum

  • Cortical-striatal-thalamic circuits and brain glucose metabolic activity in 70 unmedicated male schizophrenic patients.

    Benjamin V. Siegel;Monte S. Buchsbaum;William E. Bunney;Louis A. Gottschalk

  • MRI assessment of cortical thickness and functional activity changes in adolescent girls following three months of practice on a visual-spatial task

    Richard J Haier;Sherif Karama;Leonard Leyba;Rex E Jung

Frequent Co-Authors

Monte S. Buchsbaum
Monte S. Buchsbaum University of California, San Diego
Michael T. Alkire
Michael T. Alkire University of California, Irvine
Rex E. Jung
Rex E. Jung University of New Mexico
Roberto Colom
Roberto Colom Autonomous University of Madrid
Sherif Karama
Sherif Karama McGill University
Joseph C. Wu
Joseph C. Wu Stanford University
Dennis L. Murphy
Dennis L. Murphy National Institutes of Health
James H. Fallon
James H. Fallon University of California, Irvine
Keith H. Nuechterlein
Keith H. Nuechterlein University of California, Los Angeles
Ronald A. Yeo
Ronald A. Yeo University of New Mexico

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