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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Neuroscience 50 5778 5319 43 41 213 8455

Esa Mervaala publications per year

The chart shows the history of publications by Esa Mervaala between 1984 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Esa Mervaala published across 42 years, from 1984 to 2025, averaging 5.5 papers a year. Output peaked at 14 publications in 2015. 5 of the 231 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1984 to 2025. Vertical axis: number of publications, 0 to 14. Peak 14 publications in 2015. 1984: 2 publications 1985: 2 publications 1986: 1 publication 1987: 1 publication 1988: 5 publications 1989: 6 publications 1990: 4 publications 1991: 3 publications 1992: 7 publications 1993: 5 publications 1994: 4 publications 1995: 6 publications 1996: 1 publication 1997: 2 publications 1998: 1 publication 1999: 2 publications 2000: 7 publications 2001: 3 publications 2002: 3 publications 2003: 2 publications 2004: 2 publications 2005: 3 publications 2006: 6 publications 2007: 2 publications 2008: 9 publications 2009: 9 publications 2010: 6 publications 2011: 13 publications 2012: 9 publications 2013: 11 publications 2014: 9 publications 2015: 14 publications 2016: 10 publications 2017: 13 publications 2018: 10 publications 2019: 14 publications 2020: 6 publications 2021: 4 publications 2022: 6 publications 2023: 3 publications 2024: 2 publications 2025: 3 publications
1984 2025

231 publications in total across all disciplines

View publications per year as a table
Esa Mervaala: publications per year, 1984 to 2025
Year Publications
1984 2
1985 2
1986 1
1987 1
1988 5
1989 6
1990 4
1991 3
1992 7
1993 5
1994 4
1995 6
1996 1
1997 2
1998 1
1999 2
2000 7
2001 3
2002 3
2003 2
2004 2
2005 3
2006 6
2007 2
2008 9
2009 9
2010 6
2011 13
2012 9
2013 11
2014 9
2015 14
2016 10
2017 13
2018 10
2019 14
2020 6
2021 4
2022 6
2023 3
2024 2
2025 3
Total 231
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Esa Mervaala 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 Esa Mervaala 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, 208–217 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: 213 publications — 66th percentile

66% 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
138–147 456
148–157 459
158–167 397
168–177 383
178–187 350
188–197 302
198–207 306
208–217 262 213
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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Esa Mervaala 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 Esa Mervaala 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, 50–51 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: 50 D-Index — 41st percentile

41% 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
50–51 425 50
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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Overview

Esa Mervaala is affiliated with the University of Eastern Finland in Finland and has contributed extensively to the fields of Medicine and Neuroscience. Their research spans multiple subfields such as Neurology, Cognitive Neuroscience, Rheumatology, Physiology, and Psychiatry and Mental Health.

The main topics addressed in their work include:

  • Glycogen Storage Diseases and Myoclonus
  • Epilepsy research and treatment
  • Obstructive Sleep Apnea Research
  • Neurological disorders and treatments
  • Neuroscience of respiration and sleep
  • Genetics and Neurodevelopmental Disorders
  • Sleep and Wakefulness Research

Mervaala has been involved in publishing research articles in well-known venues such as Clinical Neurophysiology, IEEE Access, Epileptic Disorders, Sleep Medicine, and the Journal of Alzheimer's Disease. The frequency of publications in these venues includes three in Clinical Neurophysiology, two in IEEE Access, two in Epileptic Disorders, one in Sleep Medicine, and one in the Journal of Alzheimer's Disease.

Significant recent papers by Mervaala include:

  • "Neural network analysis of nocturnal SpO2 signal enables easy screening of sleep apnea in patients with acute cerebrovascular disease" (2020, Sleep Medicine)
  • "Severe Obstructive Sleep Apnea and Increased Cortical Amyloid-β Deposition" (2020, Journal of Alzheimer s Disease)
  • "Deep Learning Enables Accurate Automatic Sleep Staging Based on Ambulatory Forehead EEG" (2022, IEEE Access)
  • "Efficacy and tolerability in patients with chronic facial pain of two consecutive treatment periods of rTMS applied over the facial motor cortex, using protocols differing in stimulation frequency, duration, and train pattern" (2022, Neurophysiologie Clinique)
  • "Acute stroke and TIA patients have specific polygraphic features of obstructive sleep apnea" (2020, Sleep And Breathing)

Frequent collaborators with whom Mervaala has coauthored multiple papers include Reetta Kälviäinen, Jelena Hyppönen, Mervi Könönen, Susanna Westerén-Punnonen, and Laura Säïsänen. These coauthorships indicate ongoing collaborative research efforts in related fields.

Best Publications

  • Natural history of peripheral neuropathy in patients with non-insulin-dependent diabetes mellitus.

    Juhani Partanen;Leo Niskanen;Juha Lehtinen;Esa Mervaala

  • Quantitative MRI of the hippocampus and amygdala in severe depression.

    E. Mervaala;J. Föhr;M. Könönen;M. Valkonen-Korhonen

  • Comparison of navigated and non-navigated transcranial magnetic stimulation for motor cortex mapping, motor threshold and motor evoked potentials.

    Petro Julkunen;Laura Säisänen;Nils Danner;Eini Niskanen

  • Human brain connectivity during single and paired pulse transcranial magnetic stimulation

    Florinda Ferreri;Patrizio Pasqualetti;Sara Määttä;David Ponzo

  • Clinical picture of EPM1-Unverricht-Lundborg disease.

    Reetta Kälviäinen;Jelena Khyuppenen;Päivi Koskenkorva;Kai Eriksson

  • Vigabatrin vs carbamazepine monotherapy in patients with newly diagnosed epilepsy : a randomized, controlled study

    Reetta Kälviäinen;Marja Äikiä;Anna Maija Saukkonen;Esa Mervaala

  • Long term outcome of temporal lobe epilepsy surgery: analyses of 140 consecutive patients

    L Jutila;A Immonen;E Mervaala;J Partanen

  • MR volumetry of the entorhinal, perirhinal, and temporopolar cortices in drug-refractory temporal lobe epilepsy

    Leena Jutila;Aarne Ylinen;Kaarina Partanen;Irina Alafuzoff

  • Motor potentials evoked by navigated transcranial magnetic stimulation in healthy subjects.

    Laura Säisänen;Petro Julkunen;Eini Niskanen;Nils Danner

  • Long-term epilepsy surgery outcomes in patients with MRI-negative temporal lobe epilepsy

    Arto Immonen;Leena Jutila;Anu Muraja-Murro;Esa Mervaala

  • Novel parameters indicate significant differences in severity of obstructive sleep apnea with patients having similar apnea–hypopnea index

    Antti Kulkas;Pekka Tiihonen;Petro Julkunen;Esa Mervaala

  • High-dose thiopental in the treatment of refractory status epilepticus in intensive care unit

    I. Parviainen;A. Uusaro;R. Kälviäinen;E. Kaukanen

  • Temporal anteroinferior encephalocele: An underrecognized etiology of temporal lobe epilepsy?

    Taavi Saavalainen;Leena Jutila;Esa Mervaala;Reetta Kälviäinen

  • Propofol in the treatment of refractory status epilepticus

    Ilkka Parviainen;Ari Uusaro;Reetta Kälviäinen;Esa Mervaala

  • Sensorimotor cortex excitability and connectivity in Alzheimer's disease: A TMS-EEG Co-registration study.

    Florinda Ferreri;Fabrizio Vecchio;Luca Vollero;Andrea Guerra

  • [18F]FDG-PET Reveals Temporal Hypometabolism in Patients With Temporal Lobe Epilepsy Even When Quantitative MRI and Histopathological Analysis Show Only Mild Hippocampal Damage

    Salla Lamusuo;Leena Jutila;Aarne Ylinen;Reetta Kälviäinen

  • The severity of individual obstruction events is related to increased mortality rate in severe obstructive sleep apnea.

    Anu Muraja-Murro;Antti Kulkas;Mikko Hiltunen;Salla Kupari

  • Non-primary motor areas in the human frontal lobe are connected directly to hand muscles.

    S. Teitti;Sara Määttä;Laura Säisänen;Mervi Könönen

  • SPECT and neuropsychological performance in severe depression treated with ECT.

    Esa Mervaala;Mervi Könönen;Jaana Föhr;Minna Husso-Saastamoinen

  • Human brain cortical correlates of short-latency afferent inhibition: a combined EEG-TMS study

    Florinda Ines Maria Ferreri;David Ponzo;Taina Hukkanen;Esa Mervaala

Frequent Co-Authors

Juha Töyräs
Juha Töyräs University of Eastern Finland
Reetta Kälviäinen
Reetta Kälviäinen University of Eastern Finland
Mervi Könönen
Mervi Könönen University of Eastern Finland
Petro Julkunen
Petro Julkunen University of Eastern Finland
Juhani Partanen
Juhani Partanen University of Helsinki
Aarne Ylinen
Aarne Ylinen University of Eastern Finland
Jari Tiihonen
Jari Tiihonen Karolinska Institute
Patrizio Pasqualetti
Patrizio Pasqualetti Sapienza University of Rome
Jari Karhu
Jari Karhu Nexstim (Finland)
Irina Alafuzoff
Irina Alafuzoff Uppsala University

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