World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
48
Citations
8680
World Ranking
5954
National Ranking
45

Pekka Niemi 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 Pekka Niemi 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: 113 publications — 28th percentile

28% of scientists in this discipline score the same or lower.

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

Pekka Niemi 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 Pekka Niemi 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: 48 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Overview

Pekka Niemi is affiliated with the University of Turku in Finland. Their research spans multiple disciplines, with a strong focus on medicine, social sciences, and psychology. Within these fields, their work often intersects with education and developmental studies, including subfields such as education, developmental and educational psychology, radiology, nuclear medicine, imaging, cognitive neuroscience, and psychiatry and mental health.

Their recent publications demonstrate a particular interest in reading and literacy development, as well as radiology and educational practices. Some notable papers include:

  • "Long-term effects of the home literacy environment on reading development: Familial risk for dyslexia as a moderator" (2021) published in the Journal of Experimental Child Psychology
  • "Kindergarten pre-reading skills predict Grade 9 reading comprehension (PISA Reading) but fail to explain gender difference" (2020) published in Reading and Writing
  • "Longitudinal Effects of the Home Learning Environment and Parental Difficulties on Reading and Math Development Across Grades 1-9" (2020) published in Frontiers in Psychology
  • "Deep learning accurately classifies elbow joint effusion in adult and pediatric radiographs" (2022) published in Scientific Reports
  • "Longitudinal associations between poor reading skills, bullying and victimization across the transition from elementary to middle school" (2021) published in PLoS ONE

Frequent collaborators in Niemi's research include Minna Torppa, Marja-Kristiina Lerkkanen, Anna-Maija Poikkeus, Jarno T. Huhtanen, and Mikko Nyman. These partnerships reflect sustained collaborative efforts across various topics connected to literacy development and radiology.

The primary publication venues where Niemi's work appears are diverse but show a concentration in certain journals. These include Reading and Writing, Diagnostics, Journal of Experimental Child Psychology, Frontiers in Psychology, and Scientific Reports.

The main topics addressed by Pekka Niemi cover a range of issues including:

  • Reading and Literacy Development
  • Child Development and Digital Technology
  • Radiology practices and education
  • Parental Involvement in Education
  • Educational Strategies and Epistemologies
  • Radiation Dose and Imaging
  • Education and Technology Integration

Their interdisciplinary approach bridges gaps between educational psychology and medical imaging, highlighting dynamics in both cognitive and clinical aspects of development. This is evident through their research on home learning environments, reading development, and the application of deep learning in radiographic classification.

Best Publications

  • Foreperiod and simple reaction time.

    Pekka Niemi;Risto Näätänen

  • Transition to formal schooling: Do transition practices matter for academic performance?☆

    Annarilla Ahtola;Gintautas Silinskas;Pirjo-Liisa Poikonen;Marita Kontoniemi

  • Development of the letter identity span in reading: Evidence from the eye movement moving window paradigm

    Tuomo Häikiö;Raymond Bertram;Jukka Hyönä;Pekka Niemi

  • Development of reading skills among preschool and primary school pupils

    Ulla Leppänen;Pekka Niemi;Kaisa Aunola;Jari-Erik Nurmi

  • Event-related brain potentials and the perception of a phonetic continuum ☆

    Olli Aaltonen;Pekka Niemi;Timo Nyrke;Marja Tuhkanen

  • Letter knowledge predicts Grade 4 reading fluency and reading comprehension

    Ulla Leppänen;Kaisa Aunola;Pekka Niemi;Jari-Erik Nurmi

  • The Role of Inference Making and Other Language Skills in the Development of Narrative Listening Comprehension in 4–6-Year-Old Children

    Janne Lepola;Julie Lynch;Eero Laakkonen;Maarit Silvén

  • Development of and Relationship Between Phonological and Motivational Processes and Naming Speed in Predicting Word Recognition in Grade 1

    Janne Lepola;Elisa Poskiparta;Eero Laakkonen;Pekka Niemi

  • Developmental dynamics of achievement strategies, reading performance, and parental beliefs

    Kaisa Aunola;Jari-Erik Nurmi;Pekka Niemi;Marja-Kristiina Lerkkanen

  • The role of phonological memory, word recognition, and comprehension skills in reading development: from preschool to grade 2

    Mia Dufva;Pekka Niemi;Marinus J. M. Voeten

  • Inducing affective states with success-failure manipulations: a meta-analysis.

    Lauri Nummenmaa;Pekka Niemi

  • Reading long words embedded in sentences: informativeness of word halves affects eye movements.

    Jukka Hyönä;Pekka Niemi;Geoffrey Underwood

  • Leisure Reading (But Not Any Kind) and Reading Comprehension Support Each Other—A Longitudinal Study Across Grades 1 and 9

    Minna Torppa;Pekka Niemi;Kati Vasalampi;Marja-Kristiina Lerkkanen;Marja-Kristiina Lerkkanen

  • Motivational-emotional vulnerability and difficulties in learning to read and spell.

    Elisa Poskiparta;Pekka Niemi;Pekka Niemi;Janne Lepola;Annarilla Ahtola

  • The frequency of parents' reading-related activities at home and children's reading skills during kindergarten and Grade 1☆

    Gintautas Silinskas;Marja-Kristiina Lerkkanen;Asko Tolvanen;Pekka Niemi

  • Eye movements during repeated reading of a text.

    Jukka Hyönä;Pekka Niemi

  • Cortical Differences in Tonal versus Vowel Processing as Revealed by an ERP Component Called Mismatch Negativity (MMN)

    Olli Aaltonen;Jyrki Tuomainen;M. Laine;P. Niemi

  • Cohort Profile: Steps to the Healthy Development and Well-being of Children (the STEPS Study)

    Hanna Lagström;Päivi Rautava;Anne Kaljonen;Hannele Räihä

  • Do maternal interaction and early language predict phonological awareness in 3- to 4-year-olds?

    Maarit Silvén;Maarit Silvén;Pekka Niemi;Pekka Niemi;Marinus J.M Voeten

  • The double deficit hypothesis in the transparent Finnish orthography: a longitudinal study from kindergarten to Grade 2

    Minna Torppa;Rauno Parrila;Pekka Niemi;Marja Kristiina Lerkkanen

  • Who Benefits From Training in Linguistic Awareness in the First Grade, and What Components Show Training Effects?

    Elisa Poskiparta;Pekka Niemi;Marja Vauras

Frequent Co-Authors

Marja-Kristiina Lerkkanen
Marja-Kristiina Lerkkanen University of Jyväskylä
Jari-Erik Nurmi
Jari-Erik Nurmi University of Jyväskylä
Elisa Poskiparta
Elisa Poskiparta University of Turku
Anna-Maija Poikkeus
Anna-Maija Poikkeus University of Jyväskylä
Pekka Santtila
Pekka Santtila New York University Shanghai
Juhani Knuuti
Juhani Knuuti Turku University Hospital
Marja Vauras
Marja Vauras University of Turku
Jukka Hyönä
Jukka Hyönä University of Turku
Noona Kiuru
Noona Kiuru University of Jyväskylä
Timo Ahonen
Timo Ahonen University of Jyväskylä

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