World's Best Scientists 2026 revealed!

D-Index & Metrics

Social Sciences and Humanities

D-Index
34
Citations
9068
World Ranking
6835
National Ranking
172

Peter Indefrey publication distribution in Social Sciences and Humanities in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where Peter Indefrey sits on this spectrum.

44–53 publications: 28 scientists 54–63 publications: 61 scientists 64–73 publications: 161 scientists 74–83 publications: 225 scientists 84–93 publications: 301 scientists 94–103 publications: 390 scientists 104–113 publications: 406 scientists 114–123 publications: 474 scientists 124–133 publications: 453 scientists 134–143 publications: 434 scientists 144–153 publications: 407 scientists 154–163 publications: 411 scientists 164–173 publications: 391 scientists 174–183 publications: 313 scientists 184–193 publications: 319 scientists 194–203 publications: 304 scientists 204–213 publications: 285 scientists 214–223 publications: 246 scientists 224–233 publications: 213 scientists 234–243 publications: 170 scientists 244–253 publications: 167 scientists 254–263 publications: 162 scientists 264–273 publications: 138 scientists 274–283 publications: 138 scientists 284–293 publications: 113 scientists 294–303 publications: 106 scientists 304–313 publications: 95 scientists 314–323 publications: 101 scientists 324–333 publications: 81 scientists 334–343 publications: 69 scientists 344–353 publications: 56 scientists 354–363 publications: 36 scientists 364–373 publications: 42 scientists 374–383 publications: 41 scientists 384–393 publications: 44 scientists 394–403 publications: 27 scientists 404–413 publications: 30 scientists 414–423 publications: 20 scientists 424–433 publications: 29 scientists 434–443 publications: 29 scientists 444–453 publications: 25 scientists 454–463 publications: 19 scientists 464–473 publications: 21 scientists 474–483 publications: 11 scientists 484–493 publications: 17 scientists 494–503 publications: 7 scientists 504–513 publications: 6 scientists 514–523 publications: 12 scientists 524–533 publications: 10 scientists 534–543 publications: 7 scientists 544–553 publications: 6 scientists 554–563 publications: 12 scientists 564–569 publications: 8 scientists 570+ publications: 100 scientists
44 publications 570+

This scientist: 127 publications — 29th percentile

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

The last bar groups every scientist with 570 publications or more.

Peter Indefrey D-index placement in Social Sciences and Humanities in 2026

The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where Peter Indefrey sits on this spectrum.

30 D-Index: 177 scientists 31 D-Index: 210 scientists 32 D-Index: 222 scientists 33 D-Index: 188 scientists 34 D-Index: 181 scientists 35 D-Index: 243 scientists 36 D-Index: 261 scientists 37 D-Index: 272 scientists 38 D-Index: 278 scientists 39 D-Index: 300 scientists 40 D-Index: 297 scientists 41 D-Index: 308 scientists 42 D-Index: 313 scientists 43 D-Index: 300 scientists 44 D-Index: 269 scientists 45 D-Index: 260 scientists 46 D-Index: 228 scientists 47 D-Index: 251 scientists 48 D-Index: 203 scientists 49 D-Index: 186 scientists 50 D-Index: 187 scientists 51 D-Index: 166 scientists 52 D-Index: 138 scientists 53 D-Index: 141 scientists 54 D-Index: 131 scientists 55 D-Index: 137 scientists 56 D-Index: 109 scientists 57 D-Index: 129 scientists 58 D-Index: 95 scientists 59 D-Index: 105 scientists 60 D-Index: 106 scientists 61 D-Index: 86 scientists 62 D-Index: 94 scientists 63 D-Index: 77 scientists 64 D-Index: 79 scientists 65 D-Index: 59 scientists 66 D-Index: 68 scientists 67 D-Index: 51 scientists 68 D-Index: 49 scientists 69 D-Index: 40 scientists 70 D-Index: 43 scientists 71 D-Index: 40 scientists 72 D-Index: 50 scientists 73 D-Index: 46 scientists 74 D-Index: 43 scientists 75 D-Index: 45 scientists 76 D-Index: 45 scientists 77 D-Index: 30 scientists 78 D-Index: 25 scientists 79 D-Index: 31 scientists 80 D-Index: 29 scientists 81 D-Index: 18 scientists 82 D-Index: 21 scientists 83 D-Index: 26 scientists 84 D-Index: 15 scientists 85 D-Index: 15 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 12 scientists 89 D-Index: 7 scientists 90 D-Index: 19 scientists 91 D-Index: 20 scientists 92 D-Index: 13 scientists 93 D-Index: 9 scientists 94 D-Index: 13 scientists 95 D-Index: 8 scientists 96 D-Index: 7 scientists 97 D-Index: 6 scientists 98 D-Index: 6 scientists 99 D-Index: 6 scientists 100+ D-Index: 97 scientists
30 D-Index 100+

This scientist: 34 D-Index — 13th percentile

13% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 100 D-Index or more.

Overview

Peter Indefrey is affiliated with Heinrich Heine University Düsseldorf in Germany and specializes in research primarily within the fields of Psychology and Neuroscience. Their work extensively covers subfields such as Cognitive Neuroscience, Developmental and Educational Psychology, Social Psychology, Experimental and Cognitive Psychology, and Artificial Intelligence.

The core topics of Peter Indefrey's research include Neurobiology of Language and Bilingualism, Reading and Literacy Development, Action Observation and Synchronization, Neural and Behavioral Psychology Studies, Text Readability and Simplification, Categorization, Perception, and Language, as well as Multisensory Perception and Integration.

Peter Indefrey has published research papers in a variety of academic journals. Notable recent papers include:

  • The Time Course of Language Production as Revealed by Pattern Classification of MEG Sensor Data, 2022, Journal of Neuroscience
  • Validity of chronometric TMS for probing the time-course of word production: a modified replication, 2023, Cerebral Cortex
  • Syntactic processing in L2 depends on perceived reliability of the input: Evidence from P600 responses to correct input., 2020, Journal of Experimental Psychology Learning Memory and Cognition
  • Tomatoes Are Red: The Perception of Achromatic Objects Elicits Retrieval of Associated Color Knowledge, 2023, Journal of Cognitive Neuroscience
  • Parallel or sequential? Decoding conceptual and phonological/phonetic information from MEG signals during language production, 2023, Cognitive Neuropsychology

Frequent co-authors in their research include Francesca Carota, Jan-Mathijs Schoffelen, Robert Oostenveld, Adrian Jodzio, and Vitória Piai.

In terms of publication venues, Peter Indefrey frequently publishes in:

  • Journal of Neuroscience
  • Cerebral Cortex
  • Journal of Experimental Psychology Learning Memory and Cognition
  • Journal of Cognitive Neuroscience
  • Cognitive Neuropsychology

Best Publications

  • The spatial and temporal signatures of word production components.

    Peter Indefrey;Willem J. M. Levelt

  • The spatial and temporal signatures of word production components: a critical update

    Peter Indefrey

  • The Neurobiology of Language beyond Single Words

    Peter Hagoort;Peter Indefrey

  • The Neural Circuitry Involved in the Reading of German Words and Pseudowords: A PET Study

    Peter Hagoort;Peter Indefrey;Colin Brown;Hans Herzog

  • Dissociating Neural Correlates of Cognitive Components in Mental Calculation

    Oliver Gruber;P. Indefrey;H. Steinmetz;Andreas Kleinschmidt

  • A Meta-analysis of Hemodynamic Studies on First and Second Language Processing: Which Suggested Differences Can We Trust and What Do They Mean?

    Peter Indefrey

  • A neural correlate of syntactic encoding during speech production

    Peter Indefrey;Colin M. Brown;Frauke M. Hellwig;Katrin Amunts

  • Online pronoun resolution in L2 discourse: L1 influence and general learner effects

    Leah Roberts;Marianne Gullberg;Peter Indefrey

  • Syntactic processing in left prefrontal cortex is independent of lexical meaning

    Peter Indefrey;Peter Hagoort;Hans Herzog;Rüdiger J. Seitz

  • Syntactic priming in German-English bilinguals during sentence comprehension.

    Kirsten Weber;Peter Indefrey;Peter Indefrey

  • An inverse relation between event-related and time-frequency violation responses in sentence processing.

    Douglas J. Davidson;Peter Indefrey

  • Reading in a Regular Orthography: An fMRI Study Investigating the Role of Visual Familiarity

    Anja Ischebeck;Peter Indefrey;Nobuo Usui;Izuru Nose

  • Research techniques for the study of code-switching

    Marianne Gullberg;Peter Indefrey;Pieter Muysken

  • Neural responses to the production and comprehension of syntax in identical utterances.

    Peter Indefrey;Frauke M. Hellwig;Hans Herzog;Rüdiger J. Seitz

  • Functional connectivity between brain regions involved in learning words of a new language.

    Kim Veroude;David G. Norris;Elena Shumskaya;Marianne Gullberg

  • Where does the delay in L2 picture naming come from? Psycholinguistic and neurocognitive evidence on second language word production

    Jana Hanulová;Douglas J. Davidson;Peter Indefrey

  • Equivalent responses to lexical and nonlexical visual stimuli in occipital cortex: A functional magnetic resonance imaging study

    Peter Indefrey;Andreas Kleinschmidt;Klaus-Dietmar Merboldt;Gunnar Krüger

  • Monitoring in language perception: electrophysiological and hemodynamic responses to spelling violations.

    Nan Van de Meerendonk;Peter Indefrey;Dorothee J. Chwilla;Herman H.J. Kolk

  • Prelexical and lexical processing in listening

    Peter Indefrey;Anne Cutler

  • Adult language learning after minimal exposure to an unknown natural language

    Marianne Gullberg;Leah Roberts;Christine Dimroth;Kim Veroude

  • Role of grammatical gender and semantics in German word production

    Gabriella Vigliocco;David P. Vinson;Peter Indefrey;Willem J. M. Levelt

  • An event-related potential study on changes of violation and error responses during morphosyntactic learning

    Douglas J. Davidson;Peter Indefrey

  • The neural architecture underlying the processing of written and spoken word-forms

    C. Price;P. Indefrey;M. van Turennout

  • fMRI syntactic and lexical repetition effects reveal the initial stages of learning a new language

    Kirsten Weber;Morten H. Christiansen;Karl Magnus Petersson;Peter Indefrey

  • Lexical competition in nonnative speech comprehension

    Ian FitzPatrick;Peter Indefrey;Peter Indefrey

  • How speakers interrupt themselves in managing problems in speaking: Evidence from self-repairs

    Mandana Seyfeddinipur;Sotaro Kita;Peter Indefrey

  • Idiosyncratic grammars: Syntactic processing in second language comprehension uses subjective feature representations

    Kristin Lemhöfer;Herbert Schriefers;Peter Indefrey

  • The Speaking Mind/Brain: Where do spoken words come from

    Willem J. M. Levelt;Peter Indefrey

  • The cognitive neuroscience of second language acquisition

    Marianne Gullberg;Peter Indefrey

Frequent Co-Authors

Peter Hagoort
Peter Hagoort Max Planck Institute for Psycholinguistics
Marianne Gullberg
Marianne Gullberg Lund University
Colin M. Brown
Colin M. Brown Max Planck Society
Rüdiger J. Seitz
Rüdiger J. Seitz Heinrich Heine University Düsseldorf
Willem J. M. Levelt
Willem J. M. Levelt Max Planck Institute for Psycholinguistics
Herbert Schriefers
Herbert Schriefers Radboud University
Robert D. Van Valin
Robert D. Van Valin University at Buffalo, State University of New York
Stefan Posse
Stefan Posse University of New Mexico
Alfons Schnitzler
Alfons Schnitzler Heinrich Heine University Düsseldorf
Andreas Kleinschmidt
Andreas Kleinschmidt University of Geneva

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring Social Sciences and Humanities opens diverse and flexible career pathways. Many students choose to advance their education with online programs, which offer convenience and affordability. For those interested in clinical roles or community impact, pursuing an msw degree is a popular option. Accredited programs often provide strong preparation for positions in social work, counseling, or case management.

If your career goals involve working with individuals with behavioral or developmental challenges, consider bcba accredited programs online. These programs are designed to meet professional standards and can help you qualify for certification as a Board Certified Behavior Analyst (BCBA).

Time is also an important consideration. Accelerated degrees such as an accelerated masters in social work or a 2 year psychology degree online let you fast-track your studies and start your career sooner. These options are ideal for those looking to enter the workforce quickly or change their career path efficiently.

By selecting the right online degree, you can tailor your education to your interests and ambitions, while balancing your studies with work or other responsibilities.

Best Scientists Citing Peter Indefrey

Trending Scientists

Recently Published Articles