World's Best Scientists 2026 revealed!
Peter A. Fried

Peter A. Fried

D-Index & Metrics

Psychology

D-Index
37
Citations
7188
World Ranking
9112
National Ranking
615

Peter A. Fried 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 Peter A. Fried 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: 76 publications — 7th percentile

7% of scientists in this discipline score the same or lower.

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

Peter A. Fried 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 Peter A. Fried 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: 37 D-Index — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Overview

Peter A. Fried is affiliated with Carleton University in Canada and conducts research primarily in the fields of Medicine and Neuroscience. Their work spans multiple subfields including Pediatrics, Perinatology and Child Health, Cognitive Neuroscience, Neurology, Public Health, Environmental and Occupational Health, and Education.

The main topics addressed in Fried's research involve prenatal substance exposure effects, maternal mental health during pregnancy and postpartum, early childhood education and development, functional brain connectivity studies, cannabis and cannabinoid research, transcranial magnetic stimulation studies, and EEG and brain-computer interfaces.

Fried has contributed to several peer-reviewed papers with notable publications including:

  • Lifestyle and Early Achievement in Families (LEAF) study: Design of an ambidirectional cohort study of prenatal marijuana exposure and child development and behaviour, 2020, Paediatric and Perinatal Epidemiology
  • 3D scanning of antique glass by combining photography and computed tomography, 2020, Digital Applications in Archaeology and Cultural Heritage
  • Prenatal Cannabis Exposure and Executive Function and Aggressive Behavior at Age 5 Years, 2024, JAMA Pediatrics
  • Working Overtime: Altered Functional Connectivity in Working Memory Following Regular Cannabis Use in Young Adults, 2020, International Journal of Mental Health and Addiction
  • Transcranial Magnetic Stimulation based Network Integrity Assessment in Alzheimer's disease, 2023, Brain Stimulation

Frequent publication venues for Fried include the International Journal of Mental Health and Addiction, Brain Stimulation, JAMA Pediatrics, Paediatric and Perinatal Epidemiology, and Digital Applications in Archaeology and Cultural Heritage.

Collaborations have been a significant part of Fried's research, often working alongside colleagues such as Sarah A. Keim, Keith Owen Yeates, Kelly M. Boone, Aaron Murnan, and Joseph R. Rausch. Each of these collaborators has been credited on multiple joint studies.

Best Publications

  • Differential effects on cognitive functioning in 13- to 16-year-olds prenatally exposed to cigarettes and marihuana.

    Peter A Fried;Barbara Watkinson;Robert Gray

  • 36- and 48-month neurobehavioral follow-up of children prenatally exposed to marijuana, cigarettes, and alcohol.

    Peter A. Fried;Barbara Watkinson

  • A literature review of the consequences of prenatal marihuana exposure: An emerging theme of a deficiency in aspects of executive function

    P.A. Fried;A.M. Smith

  • A follow-up study of attentional behavior in 6-year-old children exposed prenatally to marihuana, cigarettes, and alcohol

    Peter A. Fried;Barbara Watkinson;Robert Gray

  • Neurocognitive consequences of marihuana--a comparison with pre-drug performance.

    P A Fried;B Watkinson;R Gray

  • 12- and 24-month neurobehavioural follow-up of children prenatally exposed to marihuana, cigarettes and alcohol

    P.A. Fried;B. Watkinson

  • Neonatal behavioural correlates of prenatal exposure to marihuana, cigarettes and alcohol in a low risk population.

    P.A. Fried;J.E. Makin

  • A comparison of the effects of prenatal exposure to tobacco, alcohol, cannabis and caffeine on birth size and subsequent growth

    P.A. Fried;C.M. O'Connell

  • Effects of prenatal cigarette and marijuana exposure on drug use among offspring.

    Amy J. Porath;Peter A. Fried

  • Reading and language in 9- to 12-year olds prenatally exposed to cigarettes and marijuana.

    Peter A. Fried;Barbara Watkinson;Linda S. Siegel

  • Differential effects on facets of attention in adolescents prenatally exposed to cigarettes and marihuana.

    P.A Fried;Barbara Watkinson

  • Effects of prenatal marijuana on response inhibition: an fMRI study of young adults.

    Andra M Smith;Peter A Fried;Matthew J Hogan;Ian Cameron

  • A comparison of active and passive smoking during pregnancy: Long-term effects

    Judy Makin;Peter A. Fried;Barbara Watkinson

  • Neonatal Neurological Status in a Low-Risk Population after Prenatal Exposure to Cigarettes, Marijuana, and Alcohol

    Peter A. Fried;Barbara Watkinson;Richard F. Dillon;Corinne S. Dulberg

  • Effects of prenatal marijuana on visuospatial working memory: An fMRI study in young adults

    Andra M. Smith;Peter A. Fried;Matthew J. Hogan;Matthew J. Hogan;Ian Cameron;Ian Cameron

  • Longitudinal investigation of task persistence and sustained attention in children with prenatal cocaine exposure.

    Emmalee S Bandstra;Connie E Morrow;James C Anthony;Veronica H Accornero;Veronica H Accornero

  • Growth from Birth to Early Adolescence in Offspring Prenatally Exposed to Cigarettes and Marijuana

    Peter A Fried;Barbara Watkinson;Robert Gray

  • Visuoperceptual functioning differs in 9- to 12-year olds prenatally exposed to cigarettes and marihuana.

    Peter A Fried;Barbara Watkinson

  • Central auditory processing in school-age children prenatally exposed to cigarette smoke

    Joel S. Mccartney;Peter A. Fried;Barbara Watkinson

  • Growth and pubertal milestones during adolescence in offspring prenatally exposed to cigarettes and marihuana.

    Peter A Fried;Deborah S James;Barbara Watkinson

Frequent Co-Authors

Linda S. Siegel
Linda S. Siegel University of British Columbia
Dan C. McIntyre
Dan C. McIntyre Carleton University
James C. Anthony
James C. Anthony Michigan State University

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