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Heikki Hämäläinen

Heikki Hämäläinen

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 47 6230 5791 50 48 118 7751
Neuroscience 48 6228 5737 47 44 130 7995

Heikki Hämäläinen publications per year

The chart shows the history of publications by Heikki Hämäläinen between 1979 and 2023, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Heikki Hämäläinen published across 45 years, from 1979 to 2023, averaging 3 papers a year. Output peaked at 10 publications in 2007. 2 of the 135 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1979 to 2023. Vertical axis: number of publications, 0 to 10. Peak 10 publications in 2007. 1979: 1 publication 1980: 0 publications 1981: 6 publications 1982: 0 publications 1983: 2 publications 1984: 0 publications 1985: 1 publication 1986: 1 publication 1987: 0 publications 1988: 0 publications 1989: 2 publications 1990: 2 publications 1991: 2 publications 1992: 4 publications 1993: 0 publications 1994: 0 publications 1995: 2 publications 1996: 1 publication 1997: 6 publications 1998: 0 publications 1999: 2 publications 2000: 7 publications 2001: 2 publications 2002: 7 publications 2003: 4 publications 2004: 5 publications 2005: 4 publications 2006: 5 publications 2007: 10 publications 2008: 5 publications 2009: 8 publications 2010: 5 publications 2011: 9 publications 2012: 3 publications 2013: 4 publications 2014: 6 publications 2015: 5 publications 2016: 2 publications 2017: 3 publications 2018: 3 publications 2019: 1 publication 2020: 2 publications 2021: 1 publication 2022: 1 publication 2023: 1 publication
1979 2023

135 publications in total across all disciplines

View publications per year as a table
Heikki Hämäläinen: publications per year, 1979 to 2023
Year Publications
1979 1
1980 0
1981 6
1982 0
1983 2
1984 0
1985 1
1986 1
1987 0
1988 0
1989 2
1990 2
1991 2
1992 4
1993 0
1994 0
1995 2
1996 1
1997 6
1998 0
1999 2
2000 7
2001 2
2002 7
2003 4
2004 5
2005 4
2006 5
2007 10
2008 5
2009 8
2010 5
2011 9
2012 3
2013 4
2014 6
2015 5
2016 2
2017 3
2018 3
2019 1
2020 2
2021 1
2022 1
2023 1
Total 135
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Heikki Hämäläinen publications per year - data summary

  • Heikki Hämäläinen, a Neuroscience scholar from University of Turku, has 135 publications recorded across 45 years, from 1979 to 2023.
  • The oldest publication on record dates to 1979 and the most recent to 2023.
  • The most productive year is 2007, with 10 publications.
  • The least productive years with any output are 1979, 1985, 1986, 1996 and others, with 1 publication each.
  • 8 of the 45 years in the span carry no publications at all (1980, 1982, 1984, 1987 and others).
  • The rate of publication averages 3.0 papers per year over the whole span, or 3.6 per year counting only the 37 years with at least one publication.
  • The last 5 years on the chart (2019-2023) hold 6 publications, 4% of the career total.
  • Split into equal eras - 1979-1993: 21 publications (1.4 per year); 1994-2008: 60 publications (4.0 per year); 2009-2023: 54 publications (3.6 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Heikki Hämäläinen 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 Heikki Hämäläinen sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 86 bars. Horizontal axis: publications, 38–47 to 887+. Vertical axis: number of scientists, 0 to 539. Most scientists, 539, have 98–107 publications. The last bar groups every scientist with 887 publications or more. The highlighted bar, 128–137 publications, is where this scientist sits. 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 scientist 868–877 publications: 3 scientists 878–886 publications: 6 scientists 887+ publications: 100 scientists
38–47 publications 887+

This scientist: 130 publications — 33rd percentile

33% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Neuroscience scientists by publication count, Research.com 2026 ranking edition. Based on 9,597 ranked scientists.
Publications Scientists This scientist
38–47 18
48–57 79
58–67 193
68–77 323
78–87 406
88–97 452
98–107 539
108–117 505
118–127 522
128–137 469 130
138–147 456
148–157 459
158–167 397
168–177 383
178–187 350
188–197 302
198–207 306
208–217 262
218–227 242
228–237 220
238–247 203
248–257 174
258–267 176
268–277 175
278–287 125
288–297 116
298–307 127
308–317 128
318–327 99
328–337 89
338–347 78
348–357 96
358–367 66
368–377 59
378–387 65
388–397 54
398–407 48
408–417 49
418–427 34
428–437 31
438–447 30
448–457 31
458–467 36
468–477 40
478–487 35
488–497 30
498–507 23
508–517 26
518–527 20
528–537 23
538–547 20
548–557 20
558–567 17
568–577 14
578–587 20
588–597 20
598–607 19
608–617 18
618–627 17
628–637 11
638–647 11
648–657 11
658–667 8
668–677 7
678–687 11
688–697 10
698–707 4
708–717 6
718–727 5
728–737 5
738–747 9
748–757 9
758–767 3
768–777 7
778–787 7
788–797 6
798–807 2
808–817 2
818–827 7
828–837 0
838–847 9
848–857 3
858–867 1
868–877 3
878–886 6
887+ 100
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Heikki Hämäläinen publication distribution in Neuroscience in 2026 - data summary

  • The chart plots the publication count of all 9,597 Neuroscience scientists ranked by Research.com in 2026, grouped into 86 ranges running from 38–47 to 887+ publications.
  • Heikki Hämäläinen, a Neuroscience scholar from University of Turku, records 130 publications - the 33rd percentile of the discipline.
  • 33% of ranked Neuroscience scientists score the same or lower than Heikki Hämäläinen, and about 67% score higher.
  • The median of the discipline falls in the 158–167 publications range, and Heikki Hämäläinen ranks below the median.
  • The most crowded range is 98–107 publications, holding 539 scientists (6% of the field).
  • 76% of the field sits in the lowest quarter of the value range (up to 248–257 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 887 publications or more, 100 scientists in all (1% of the field).

Heikki Hämäläinen 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 Heikki Hämäläinen sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 68 bars. Horizontal axis: D-Index, 30–31 to 163+. Vertical axis: number of scientists, 0 to 512. Most scientists, 512, have 46–47 D-Index. The last bar groups every scientist with 163 D-Index or more. The highlighted bar, 48–49 D-Index, is where this scientist sits. 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
30–31 D-Index 163+

This scientist: 48 D-Index — 37th percentile

37% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Neuroscience scientists by D-index, Research.com 2026 ranking edition. Based on 9,597 ranked scientists.
D-Index Scientists This scientist
30–31 42
32–33 172
34–35 296
36–37 435
38–39 459
40–41 456
42–43 467
44–45 478
46–47 512
48–49 435 48
50–51 425
52–53 418
54–55 392
56–57 357
58–59 334
60–61 328
62–63 260
64–65 278
66–67 239
68–69 250
70–71 210
72–73 200
74–75 189
76–77 170
78–79 146
80–81 113
82–83 126
84–85 100
86–87 84
88–89 99
90–91 84
92–93 85
94–95 72
96–97 76
98–99 45
100–101 49
102–103 43
104–105 32
106–107 45
108–109 50
110–111 32
112–113 39
114–115 32
116–117 29
118–119 27
120–121 19
122–123 23
124–125 27
126–127 16
128–129 24
130–131 13
132–133 21
134–135 17
136–137 14
138–139 15
140–141 10
142–143 10
144–145 13
146–147 9
148–149 8
150–151 6
152–153 6
154–155 7
156–157 7
158–159 10
160–161 4
162 8
163+ 100
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Heikki Hämäläinen D-index placement in Neuroscience in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 9,597 Neuroscience scientists ranked by Research.com in 2026, grouped into 68 ranges running from 30–31 to 163+ D-Index.
  • Heikki Hämäläinen, a Neuroscience scholar from University of Turku, records 48 D-Index - the 37th percentile of the discipline.
  • 37% of ranked Neuroscience scientists score the same or lower than Heikki Hämäläinen, and about 63% score higher.
  • The median of the discipline falls in the 54–55 D-Index range, and Heikki Hämäläinen ranks below the median.
  • The most crowded range is 46–47 D-Index, holding 512 scientists (5% of the field).
  • 65% of the field sits in the lowest quarter of the value range (up to 62–63 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 163 D-Index or more, 100 scientists in all (1% of the field).

Overview

Heikki Hämäläinen is affiliated with the University of Turku in Finland and has contributed to research primarily in the fields of Medicine and Neuroscience. Their work spans various subfields, including Cognitive Neuroscience, Psychiatry and Mental Health, Physiology, Experimental and Cognitive Psychology, and Global and Planetary Change.

The scientist's research topics involve a focus on Dementia and Cognitive Impairment Research, Neurobiology of Language and Bilingualism, Alzheimer's Disease research and treatments, Neural and Behavioral Psychology Studies, Memory and Neural Mechanisms, Visual Perception and Processing Mechanisms, and Sleep and Work-Related Fatigue.

Notable recent publications by Heikki Hämäläinen include:

  • Bilingualism Is Associated with a Delayed Onset of Dementia but Not with a Lower Risk of Developing it: a Systematic Review with Meta-Analyses, 2020, Neuropsychology Review
  • Aging and sleep deprivation affect different neurocognitive stages of spatial information processing during a virtual driving task - An ERP study, 2022, Transportation Research Part F Traffic Psychology and Behaviour
  • Differential interactions of age and sleep deprivation in driving and spatial perception by male drivers in a virtual reality environment, 2021, Scandinavian Journal of Psychology
  • Correction to: Bilingualism Is Associated with a Delayed Onset of Dementia but Not with a Lower Risk of Developing it: a Systematic Review with Meta-Analyses, 2020, Neuropsychology Review
  • Ethics of Cybersecurity and Biomedical Ethics: Case SHAPES, 2021, Information & Security An International Journal

Heikki Hämäläinen frequently publishes in venues such as:

  • Neuropsychology Review
  • Transportation Research Part F Traffic Psychology and Behaviour
  • Scandinavian Journal of Psychology
  • Information & Security An International Journal
  • Psykologia

The scientist collaborates regularly with researchers including:

  • Stefano Brini
  • Hamid R. Sohrabi
  • Jeffrey J. Hébert
  • Mitchell R. L. Forrest
  • Matti Laine

Best Publications

  • Effects of 902 MHz electromagnetic field emitted by cellular telephones on response times in humans.

    Mika Koivisto;Antti Revonsuo;Christina Krause;Christian Haarala

  • The effects of memory load on event-related EEG desynchronization and synchronization

    Christina M Krause;Lauri Sillanmäki;Mika Koivisto;Carina Saarela;Carina Saarela

  • The effects of electromagnetic field emitted by GSM phones on working memory.

    Mika Koivisto;Christina M. Krause;Antti Revonsuo;Matti Laine

  • Effects of electromagnetic field emitted by cellular phones on the EEG during a memory task

    Christina M. Krause;Lauri Sillanmäki;Mika Koivisto;Anna Häggqvist

  • Attention and cognitive control: Unfolding the dichotic listening story

    Kenneth Hugdahl;René Westerhausen;Kimmo Alho;Svyatoslav Medvedev

  • Speech sounds learned by sleeping newborns.

    M. Cheour;M. Cheour;O. Martynova;R. Näätänen;R. Erkkola

  • Brain oscillatory 4-30 Hz responses during a visual n-back memory task with varying memory load.

    Mirka Pesonen;Heikki Hämäläinen;Christina M. Krause

  • Human somatosensory evoked potentials to mechanical pulses and vibration: contributions of SI and SII somatosensory cortices to P50 and P100 components.

    Heikki Hämäläinen;Jouni Kekoni;Mikko Sams;Kalevi Reinikainen

  • Auditory and somatosensory event-related brain potentials in early blind humans

    T. Kujala;K. Alho;J. Kekoni;H. Hämäläinen

  • Automatic attention orienting by social and symbolic cues activates different neural networks: An fMRI study

    Jari K. Hietanen;Lauri Nummenmaa;Mikko J. Nyman;Riitta Parkkola

  • Effect of a 902 MHz electromagnetic field emitted by mobile phones on human cognitive function: A replication study.

    Christian Haarala;Linda Björnberg;Linda Björnberg;Maria Ek;Matti Laine;Matti Laine

  • Mobile Phone Affects Cerebral Blood Flow in Humans

    Sargo Aalto;Christian Haarala;Anna Brück;Hannu Sipilä

  • Effects of electromagnetic fields emitted by cellular phones on the electroencephalogram during a visual working memory task

    C M Krause;L Sillanmäki;M Koivisto;A Häggqvist

  • Rate effect and mismatch responses in the somatosensory system: ERP-recordings in humans.

    Jouni Kekoni;Heikki Hämäläinen;Mikael Saarinen;Jutta Gröhn

  • Effects of electromagnetic field emitted by cellular phones on the EEG during an auditory memory task: a double blind replication study.

    Christina M. Krause;Christina M. Krause;Christian Haarala;Lauri Sillanmäki;Mika Koivisto

  • Blind individuals show enhanced perceptual and attentional sensitivity for identification of speech sounds.

    Kenneth Hugdahl;Maria Ek;Fiia Takio;Taija Rintee

  • GSM phone signal does not produce subjective symptoms.

    Mika Koivisto;Christian Haarala;Christina M. Krause;Christina M. Krause;Antti Revonsuo

  • Electromagnetic field emitted by 902 MHz mobile phones shows no effects on children's cognitive function.

    Christian Haarala;Monica Bergman;Matti Laine;Matti Laine;Antti Revonsuo

  • Brain oscillatory 1–30 Hz EEG ERD/ERS responses during the different stages of an auditory memory search task

    Mirka Pesonen;Christian Haarala Björnberg;Heikki Hämäläinen;Christina M. Krause

  • Effects of a 902 MHz mobile phone on cerebral blood flow in humans: a PET study.

    Christian Haarala;Sargo Aalto;Hubertus Hautzel;Laura Julkunen

Frequent Co-Authors

Matti Laine
Matti Laine Åbo Akademi University
Mika Koivisto
Mika Koivisto University of Turku
Kenneth Hugdahl
Kenneth Hugdahl University of Bergen
Antti Revonsuo
Antti Revonsuo University of Turku
Kimmo Alho
Kimmo Alho University of Helsinki
Teija Kujala
Teija Kujala University of Helsinki
Risto Näätänen
Risto Näätänen University of Tartu
Riitta Parkkola
Riitta Parkkola Turku University Hospital
Minna Huotilainen
Minna Huotilainen University of Helsinki
René Westerhausen
René Westerhausen University of Oslo

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