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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 35 9911 9277 437 423 126 4753

Janna Cousijn publications per year

The chart shows the history of publications by Janna Cousijn between 2011 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Janna Cousijn published across 16 years, from 2011 to 2026, averaging 11.8 papers a year. Output peaked at 28 publications in 2025. 30 of the 189 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 2011 to 2026. Vertical axis: number of publications, 0 to 28. Peak 28 publications in 2025. 2011: 3 publications 2012: 4 publications 2013: 7 publications 2014: 9 publications 2015: 12 publications 2016: 9 publications 2017: 7 publications 2018: 5 publications 2019: 8 publications 2020: 15 publications 2021: 18 publications 2022: 19 publications 2023: 27 publications 2024: 16 publications 2025: 28 publications 2026: 2 publications
2011 2026

189 publications in total across all disciplines

View publications per year as a table
Janna Cousijn: publications per year, 2011 to 2026
Year Publications
2011 3
2012 4
2013 7
2014 9
2015 12
2016 9
2017 7
2018 5
2019 8
2020 15
2021 18
2022 19
2023 27
2024 16
2025 28
2026 2
Total 189
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Janna Cousijn publications per year - data summary

  • Janna Cousijn, a Psychology scholar from Erasmus University Rotterdam, has 189 publications recorded across 16 years, from 2011 to 2026.
  • The oldest publication on record dates to 2011 and the most recent to 2026.
  • The most productive year is 2025, with 28 publications.
  • The least productive year with any output is 2026, with 2 publications.
  • The rate of publication averages 11.8 papers per year over the whole span, or 11.8 per year counting only the 16 years with at least one publication.
  • The last 5 years on the chart (2022-2026) hold 92 publications, 49% of the career total.
  • Split into equal eras - 2011-2016: 44 publications (7.3 per year); 2017-2022: 72 publications (12.0 per year); 2023-2026: 73 publications (18.3 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Janna Cousijn 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 Janna Cousijn sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 69 bars. Horizontal axis: publications, 31–40 to 705+. Vertical axis: number of scientists, 0 to 736. Most scientists, 736, have 101–110 publications. The last bar groups every scientist with 705 publications or more. The highlighted bar, 121–130 publications, is where this scientist sits. 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
31–40 publications 705+

This scientist: 126 publications — 36th percentile

36% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Psychology scientists by publication count, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
Publications Scientists This scientist
31–40 6
41–50 52
51–60 138
61–70 299
71–80 461
81–90 605
91–100 713
101–110 736
111–120 686
121–130 670 126
131–140 644
141–150 597
151–160 576
161–170 477
171–180 450
181–190 397
191–200 343
201–210 328
211–220 313
221–230 283
231–240 226
241–250 196
251–260 201
261–270 171
271–280 151
281–290 139
291–300 113
301–310 102
311–320 100
321–330 76
331–340 92
341–350 85
351–360 69
361–370 71
371–380 63
381–390 58
391–400 57
401–410 43
411–420 33
421–430 50
431–440 41
441–450 32
451–460 27
461–470 28
471–480 25
481–490 28
491–500 20
501–510 23
511–520 26
521–530 17
531–540 21
541–550 14
551–560 16
561–570 10
571–580 22
581–590 9
591–600 14
601–610 9
611–620 11
621–630 4
631–640 7
641–650 5
651–660 10
661–670 8
671–680 8
681–690 4
691–700 3
701–704 4
705+ 100
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Janna Cousijn publication distribution in Psychology in 2026 - data summary

  • The chart plots the publication count of all 11,416 Psychology scientists ranked by Research.com in 2026, grouped into 69 ranges running from 31–40 to 705+ publications.
  • Janna Cousijn, a Psychology scholar from Erasmus University Rotterdam, records 126 publications - the 36th percentile of the discipline.
  • 36% of ranked Psychology scientists score the same or lower than Janna Cousijn, and about 64% score higher.
  • The median of the discipline falls in the 151–160 publications range, and Janna Cousijn ranks below the median.
  • The most crowded range is 101–110 publications, holding 736 scientists (6% of the field).
  • 72% of the field sits in the lowest quarter of the value range (up to 201–210 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 705 publications or more, 100 scientists in all (<1% of the field).

Janna Cousijn 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 Janna Cousijn sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 58 bars. Horizontal axis: D-Index, 30–31 to 144+. Vertical axis: number of scientists, 0 to 702. Most scientists, 702, have 32–33 D-Index. The last bar groups every scientist with 144 D-Index or more. The highlighted bar, 34–35 D-Index, is where this scientist sits. 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
30–31 D-Index 144+

This scientist: 35 D-Index — 16th percentile

16% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Psychology scientists by D-index, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
D-Index Scientists This scientist
30–31 398
32–33 702
34–35 671 35
36–37 659
38–39 641
40–41 671
42–43 617
44–45 558
46–47 495
48–49 487
50–51 445
52–53 390
54–55 408
56–57 345
58–59 325
60–61 321
62–63 248
64–65 290
66–67 218
68–69 219
70–71 215
72–73 183
74–75 169
76–77 132
78–79 137
80–81 120
82–83 112
84–85 86
86–87 101
88–89 83
90–91 77
92–93 70
94–95 78
96–97 58
98–99 53
100–101 57
102–103 48
104–105 53
106–107 46
108–109 24
110–111 35
112–113 27
114–115 32
116–117 31
118–119 22
120–121 16
122–123 24
124–125 18
126–127 11
128–129 19
130–131 10
132–133 16
134–135 10
136–137 12
138–139 8
140–141 5
142–143 12
144+ 98
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Janna Cousijn D-index placement in Psychology in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 11,416 Psychology scientists ranked by Research.com in 2026, grouped into 58 ranges running from 30–31 to 144+ D-Index.
  • Janna Cousijn, a Psychology scholar from Erasmus University Rotterdam, records 35 D-Index - the 16th percentile of the discipline.
  • 16% of ranked Psychology scientists score the same or lower than Janna Cousijn, and about 84% score higher.
  • The median of the discipline falls in the 48–49 D-Index range, and Janna Cousijn ranks below the median.
  • The most crowded range is 32–33 D-Index, holding 702 scientists (6% of the field).
  • 68% of the field sits in the lowest quarter of the value range (up to 58–59 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 144 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Janna Cousijn is affiliated with Erasmus University Rotterdam in the Netherlands. Their research primarily spans the fields of Medicine and Neuroscience, with a particular emphasis on subfields such as Cognitive Neuroscience, Pharmacology, Epidemiology, Cellular and Molecular Neuroscience, and Experimental and Cognitive Psychology.

Their work covers key topics including Cannabis and Cannabinoid Research, Substance Abuse Treatment and Outcomes, Neurotransmitter Receptor Influence on Behavior, Functional Brain Connectivity Studies, Behavioral Health and Interventions, Neural and Behavioral Psychology Studies, and Mental Health Research Topics.

Janna Cousijn has contributed to a variety of recent publications, reflecting a focus on substance use and its neuropsychological correlates. Notable recent papers include:

  • The short-term and long-term effects of cannabis on cognition: recent advances in the field (2020, Current Opinion in Psychology)
  • Sex differences in the neuroanatomy of alcohol dependence: hippocampus and amygdala subregions in a sample of 966 people from the ENIGMA Addiction Working Group (2021, Translational Psychiatry)
  • For better or for worse? A pre-post exploration of the impact of the COVID-19 lockdown on cannabis users (2021, Addiction)
  • Associations between cannabis use, cannabis use disorder, and mood disorders: longitudinal, genetic, and neurocognitive evidence (2021, Psychopharmacology)
  • How do substance use disorders compare to other psychiatric conditions on structural brain abnormalities? A cross-disorder meta-analytic comparison using the ENIGMA consortium findings (2020, Human Brain Mapping)

Frequent publication venues for Janna Cousijn include Addiction, Addiction Biology, Psychopharmacology, Human Brain Mapping, and Drug and Alcohol Dependence. These venues reflect the intersection of behavioral health, addiction research, and neuroscience in their work.

  • Addiction (19 publications)
  • Addiction Biology (5 publications)
  • Psychopharmacology (4 publications)
  • Human Brain Mapping (4 publications)
  • Drug and Alcohol Dependence (4 publications)

Their collaborative network includes several frequent co-authors with whom they have published extensively. Among these are Emese Kroon, Lauren Kuhns, Reínout W. Wiers, Francesca M. Filbey, and Valentina Lorenzetti.

  • Emese Kroon (37 co-authored papers)
  • Lauren Kuhns (29 co-authored papers)
  • Reínout W. Wiers (21 co-authored papers)
  • Francesca M. Filbey (18 co-authored papers)
  • Valentina Lorenzetti (16 co-authored papers)

Best Publications

  • Grey matter alterations associated with cannabis use: results of a VBM study in heavy cannabis users and healthy controls.

    Janna Cousijn;Reinout W. Wiers;K. Richard Ridderinkhof;Wim van den Brink

  • Reaching out towards cannabis: approach-bias in heavy cannabis users predicts changes in cannabis use

    Janna Cousijn;Anna E. Goudriaan;Reinout W. Wiers

  • Mega-Analysis of Gray Matter Volume in Substance Dependence: General and Substance-Specific Regional Effects

    Scott Mackey;Nicholas Allgaier;Bader Chaarani;Philip Spechler

  • Recovery of neurocognitive functions following sustained abstinence after substance dependence and implications for treatment.

    Mieke H J Schulte;Janna Cousijn;Tess E den Uyl;Anna E Goudriaan

  • Neural responses associated with cue-reactivity in frequent cannabis users

    Janna Cousijn;Anna E. Goudriaan;K. Richard Ridderinkhof;Wim van den Brink

  • Age-related differences in the impact of cannabis use on the brain and cognition: a systematic review.

    Claire Gorey;Lauren Kuhns;Eleni Smaragdi;Emese Kroon

  • Effect of baseline cannabis use and working-memory network function on changes in cannabis use in heavy cannabis users: a prospective fMRI study

    Janna Cousijn;Reinout W. Wiers;K. Richard Ridderinkhof;Wim van den Brink

  • Heavy cannabis use, dependence and the brain : a clinical perspective

    Emese Kroon;Lauren Kuhns;Eva Hoch;Janna Cousijn

  • Individual differences in decision making and reward processing predict changes in cannabis use: a prospective functional magnetic resonance imaging study.

    Janna Cousijn;Reinout W. Wiers;K. Richard Ridderinkhof;Wim van den Brink

  • Adolescent resilience to addiction: a social plasticity hypothesis.

    Janna Cousijn;Maartje Luijten;Sarah W Feldstein Ewing

  • Cannabis dependence, cognitive control and attentional bias for cannabis words.

    J. Cousijn;P. Watson;L. Koenders;W.A.M. Vingerhoets

  • Approach-bias predicts development of cannabis problem severity in heavy cannabis users: results from a prospective FMRI study

    Janna Cousijn;Anna E. Goudriaan;K. Richard Ridderinkhof;Wim van den Brink

  • The short-term and long-term effects of cannabis on cognition: recent advances in the field.

    Emese Kroon;Lauren Kuhns;Janna Cousijn

  • Recommendations for international gambling harm-minimisation guidelines: comparison with effective public health policy

    Sally M Gainsbury;Matthijs Blankers;Matthijs Blankers;Claire Wilkinson;Claire Wilkinson;Karen Schelleman-Offermans

  • Grey Matter Changes Associated with Heavy Cannabis Use: A Longitudinal sMRI Study

    Laura Koenders;Janna Cousijn;Janna Cousijn;Wilhelmina A. M. Vingerhoets;Wilhelmina A. M. Vingerhoets;Wim van den Brink

  • Attempted Training of Alcohol Approach and Drinking Identity Associations in US Undergraduate Drinkers: Null Results from Two Studies

    Kristen P. Lindgren;Reinout W. Wiers;Bethany A. Teachman;Melissa L. Gasser

  • Dissociable roles of mGlu5 and dopamine receptors in the rewarding and sensitizing properties of morphine and cocaine.

    M. M. J. Veeneman;H. Boleij;M. H. Broekhoven;E. M. S. Snoeren

  • Relationship between working-memory network function and substance use: a 3-year longitudinal fMRI study in heavy cannabis users and controls

    Janna Cousijn;Janna Cousijn;Wilhelmina A M Vingerhoets;Laura Koenders;Lieuwe de Haan

  • Sex differences in the neuroanatomy of alcohol dependence: hippocampus and amygdala subregions in a sample of 966 people from the ENIGMA Addiction Working Group

    Sally Grace;Maria Gloria Rossetti;Maria Gloria Rossetti;Nicholas Allen;Nicholas Allen;Albert Batalla

  • Time to acknowledge the mixed effects of cannabis on health: a summary and critical review of the NASEM 2017 report on the health effects of cannabis and cannabinoids.

    Janna Cousijn;Adrián E. Núñez;Adrián E. Núñez;Francesca M. Filbey

Frequent Co-Authors

Valentina Lorenzetti
Valentina Lorenzetti Australian Catholic University
Reinout W. Wiers
Reinout W. Wiers University of Amsterdam
Murat Yücel
Murat Yücel QIMR Berghofer Medical Research Institute
Anna E. Goudriaan
Anna E. Goudriaan University of Amsterdam
Dick J. Veltman
Dick J. Veltman Amsterdam UMC
Nadia Solowij
Nadia Solowij University of Wollongong
Martin P. Paulus
Martin P. Paulus Laureate Institute for Brain Research
Paul M. Thompson
Paul M. Thompson University of Southern California
Patricia J. Conrod
Patricia J. Conrod University of Montreal
Rajita Sinha
Rajita Sinha Yale University

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