World's Best Scientists 2026 revealed!
Louis A. Schmidt

Louis A. Schmidt

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 71 2187 1991 127 114 386 16869

Louis A. Schmidt publications per year

The chart shows the history of publications by Louis A. Schmidt between 1992 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Louis A. Schmidt published across 34 years, from 1992 to 2025, averaging 12.9 papers a year. Output peaked at 40 publications in 2021. 30 of the 439 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1992 to 2025. Vertical axis: number of publications, 0 to 40. Peak 40 publications in 2021. 1992: 1 publication 1993: 0 publications 1994: 1 publication 1995: 1 publication 1996: 3 publications 1997: 2 publications 1998: 7 publications 1999: 10 publications 2000: 3 publications 2001: 8 publications 2002: 1 publication 2003: 5 publications 2004: 2 publications 2005: 6 publications 2006: 7 publications 2007: 12 publications 2008: 15 publications 2009: 13 publications 2010: 17 publications 2011: 13 publications 2012: 16 publications 2013: 13 publications 2014: 19 publications 2015: 20 publications 2016: 22 publications 2017: 26 publications 2018: 22 publications 2019: 30 publications 2020: 37 publications 2021: 40 publications 2022: 17 publications 2023: 20 publications 2024: 10 publications 2025: 20 publications
1992 2025

439 publications in total across all disciplines

View publications per year as a table
Louis A. Schmidt: publications per year, 1992 to 2025
Year Publications
1992 1
1993 0
1994 1
1995 1
1996 3
1997 2
1998 7
1999 10
2000 3
2001 8
2002 1
2003 5
2004 2
2005 6
2006 7
2007 12
2008 15
2009 13
2010 17
2011 13
2012 16
2013 13
2014 19
2015 20
2016 22
2017 26
2018 22
2019 30
2020 37
2021 40
2022 17
2023 20
2024 10
2025 20
Total 439
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Louis A. Schmidt 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 Louis A. Schmidt 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, 381–390 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: 386 publications — 93rd percentile

93% 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
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 58 386
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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Louis A. Schmidt 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 Louis A. Schmidt 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, 70–71 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: 71 D-Index — 82nd percentile

82% 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
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 71
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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Overview

Louis A. Schmidt is affiliated with McMaster University in Canada. Their research spans the fields of psychology and medicine, with a notable focus on clinical psychology and pediatrics, perinatology, and child health. The subfields also include experimental and cognitive psychology, social psychology, and public health, environmental and occupational health.

The scientist's work primarily covers key topics such as child and adolescent psychosocial and emotional development, infant development and preterm care, anxiety, depression, psychometrics, treatment, cognitive processes, maternal mental health during pregnancy and postpartum, birth, development and health, neonatal respiratory health research, and pediatric pain management techniques.

Among their recent papers are:

  • Extremely Low Birth Weight and Accelerated Biological Aging, 2021, PEDIATRICS
  • "Health, wealth and achievements of former very premature infants in adult life", 2020, Seminars in Fetal and Neonatal Medicine
  • The role of anxiety and related states in pediatric postsurgical pain, 2020, Canadian Journal of Pain
  • Associations Between Colonic Motor Patterns and Autonomic Nervous System Activity Assessed by High-Resolution Manometry and Concurrent Heart Rate Variability, 2020, Frontiers in Neuroscience
  • Changes in infant emotion regulation following maternal cognitive behavioral therapy for postpartum depression, 2021, Depression and Anxiety

Louis A. Schmidt frequently publishes in the following venues:

  • Developmental Psychobiology
  • Development and Psychopathology
  • Child Development
  • Developmental Psychology
  • Personality and Individual Differences

The scientist often collaborates with several co-authors, including:

  • Ryan J. Van Lieshout
  • Raha Hassan
  • Kristie L. Poole
  • Saroj Saigal
  • Taigan L. MacGowan

Best Publications

  • Continuity and Discontinuity of Behavioral Inhibition and Exuberance: Psychophysiological and Behavioral Influences across the First Four Years of Life.

    Nathan A. Fox;Heather A. Henderson;Kenneth H. Rubin;Susan D. Calkins

  • Frontal brain electrical activity (EEG) distinguishes valence and intensity of musical emotions

    Louis A. Schmidt;Laurel J. Trainor

  • Behavioral and neuroendocrine responses in shy children

    Louis A. Schmidt;Nathan A. Fox;Kenneth H. Rubin;Esther M. Sternberg

  • Evidence for a Gene-Environment Interaction in Predicting Behavioral Inhibition in Middle Childhood

    Nathan A. Fox;Kate E. Nichols;Heather A. Henderson;Kenneth Rubin

  • Cortisol response to stress in female youths exposed to childhood maltreatment: results of the youth mood project.

    Harriet L. MacMillan;Katholiki Georgiades;Eric K. Duku;Alison Shea

  • Mental health of extremely low birth weight survivors: A systematic review and meta-analysis.

    Karen J. Mathewson;Cheryl H. T. Chow;Kathleen G. Dobson;Eliza I. Pope

  • Behavioral and psychophysiological correlates of self-presentation in temperamentally shy children.

    Louis A. Schmidt;Nathan A. Fox;Jay Schulkin;Philip W. Gold

  • Frontal Brain Electrical Activity in Shyness and Sociability

    Louis A. Schmidt

  • The role of frontal activation in the regulation and dysregulation of social behavior during the preschool years

    Nathan A. Fox;Louis A. Schmidt;Susan D. Calkins;Kenneth H. Rubin

  • Systematic Review: Audiovisual Interventions for Reducing Preoperative Anxiety in Children Undergoing Elective Surgery

    Cheryl H. T. Chow;Ryan J. Van Lieshout;Louis A. Schmidt;Kathleen G. Dobson

  • Molecular genetics of shyness and aggression in preschoolers

    Louis A Schmidt;Nathan A Fox;Kenneth H Rubin;Stella Hu

  • Frontal electrocortical and cardiovascular reactivity during happiness and anger

    Shari R. Waldstein;Willem J. Kop;Louis A. Schmidt;Amy J. Haufler

  • Autonomic nervous system reactivity to positive and negative mood induction: The role of acute psychological responses and frontal electrocortical activity

    Willem J. Kop;Willem J. Kop;Stephen J. Synowski;Miranda E. Newell;Louis A. Schmidt

  • Variation in hypothalamic–pituitary–adrenal axis activity among bullied and non‐bullied children

    Tracy Vaillancourt;Eric Duku;Denys Decatanzaro;Harriet L. MacMillan

  • Psychological distress in children with developmental coordination disorder and attention-deficit hyperactivity disorder.

    Cheryl Missiuna;John Cairney;Nancy Pollock;Wenonah Campbell

  • Extreme fear, shyness, and social phobia : origins, biological mechanisms, and clinical outcomes

    Louis A. Schmidt;Jay Schulkin

  • Patterns of cortical electrophysiology and autonomic activity in adults' shyness and sociability

    Louis A. Schmidt;Nathan A. Fox

  • Regional EEG alpha power, coherence, and behavioral symptomatology in autism spectrum disorder.

    Karen J. Mathewson;Michelle K. Jetha;Irene E. Drmic;Susan E. Bryson

  • Error-related electrocortical responses are enhanced in children with obsessive-compulsive behaviors.

    Diane L. Santesso;Sidney J. Segalowitz;Louis A. Schmidt

  • Self-Reported Mental Health Problems Among Adults Born Preterm: A Meta-analysis

    Riikka Pyhälä;Elina Wolford;Hannu Kautiainen;Hannu Kautiainen;Sture Andersson

  • Temperament and Personality

    Xinyin Chen;Louis A. Schmidt

Frequent Co-Authors

Saroj Saigal
Saroj Saigal McMaster University
Michael H. Boyle
Michael H. Boyle McMaster University
Diane L. Santesso
Diane L. Santesso University of Winnipeg
Vladimir Miskovic
Vladimir Miskovic Binghamton University
Nathan A. Fox
Nathan A. Fox University of Maryland, College Park
Sidney J. Segalowitz
Sidney J. Segalowitz Brock University
Martin M. Antony
Martin M. Antony Toronto Metropolitan University
Randi E. McCabe
Randi E. McCabe McMaster University
Geoffrey B. Hall
Geoffrey B. Hall McMaster University
Tracy Vaillancourt
Tracy Vaillancourt University of Ottawa

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