World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
30
Citations
5769
World Ranking
11299
National Ranking
1097

Alex Baldacchino 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 Alex Baldacchino 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: 117 publications — 30th percentile

30% of scientists in this discipline score the same or lower.

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

Alex Baldacchino 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 Alex Baldacchino 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: 30 D-Index — 1st percentile

1% of scientists in this discipline score the same or lower.

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

Overview

Alex Baldacchino is affiliated with the University of St Andrews in the United Kingdom. Their research primarily spans the fields of Medicine and Psychology, with a significant focus on Public Health, Environmental and Occupational Health, Epidemiology, Clinical Psychology, General Health Professions, and Cognitive Neuroscience.

The scientist's extensive publication record includes a range of topics centered on substance use and related disorders. Key research areas encompass:

  • Opioid Use Disorder Treatment
  • Substance Abuse Treatment and Outcomes
  • HIV, Drug Use, Sexual Risk
  • Neurotransmitter Receptor Influence on Behavior
  • Functional Brain Connectivity Studies
  • Mental Health Research Topics
  • Smoking Behavior and Cessation

Frequent coauthors in their work include:

  • Hamed Ekhtiari
  • Serenella Tolomeo
  • Parnian Rafei
  • Marc N. Potenza
  • Joseph Tay Wee Teck

Their research has appeared regularly in a selection of journals, most notably:

  • Frontiers in Psychiatry
  • Neuroscience & Biobehavioral Reviews
  • bioRxiv (Cold Spring Harbor Laboratory)
  • BJPsych International
  • Frontiers in Pharmacology

Alex Baldacchino has contributed to several notable publications, including:

  • COVID-19 and Substance Use Disorders as Brain Diseases: Recommendations to a Comprehensive Healthcare Response. An International Society of Addiction Medicine (ISAM) Practice and Policy Interest Group Position Paper (2020), published in Basic and Clinical Neuroscience Journal
  • Reorganization of Substance Use Treatment and Harm Reduction Services During the COVID-19 Pandemic: A Global Survey (2021), published in Frontiers in Psychiatry
  • A methodological checklist for fMRI drug cue reactivity studies: development and expert consensus (2022), published in Nature Protocols
  • Family members' perspectives of child protection services, a metasynthesis of the literature (2021), published in Children and Youth Services Review
  • Psychological Impact of the Acute COVID-19 Period on Patients With Substance Use Disorders: We Are All in This Together (2020), published in Basic and Clinical Neuroscience Journal

In addition to journal articles, their work includes book publications such as Brain and cognition for addiction prevention and treatment (2021), published by Frontiers Media.

Best Publications

  • Dissociable Deficits in the Decision-Making Cognition of Chronic Amphetamine Abusers, Opiate Abusers, Patients with Focal Damage to Prefrontal Cortex, and Tryptophan-Depleted Normal Volunteers: Evidence for Monoaminergic Mechanisms

    R D Rogers;B J Everitt;A Baldacchino;A J Blackshaw

  • Profiles of cognitive dysfunction in chronic amphetamine and heroin abusers.

    TJ Ornstein;JL Iddon;AM Baldacchino;BJ Sahakian

  • Co-morbid post-traumatic stress disorder in a substance misusing clinical population.

    Martina Reynolds;Gillian Mezey;Murray Chapman;Mike Wheeler

  • Neuropsychological consequences of chronic opioid use: a quantitative review and meta-analysis.

    A. Baldacchino;D.J.K. Balfour;F. Passetti;G. Humphris

  • Staff regard towards working with substance users: a European multi-centre study

    Gail Gilchrist;Jacek Moskalewicz;Silvia Slezakova;Lubomir Okruhlica

  • Guilty until proven innocent: a qualitative study of the management of chronic non-cancer pain among patients with a history of substance abuse.

    Alex Baldacchino;Gail Gilchrist;Rod Fleming;Jonathan Bannister

  • Drugs on the web; the Psychonaut 2002 EU project.

    Fabrizio Schifano;Paolo Deluca;Alex Baldacchino;Teuvo Peltoniemi

  • Neurocognitive consequences of chronic cannabis use: a systematic review and meta-analysis.

    Pedro Rafael Figueiredo;Serenella Tolomeo;J. Douglas Steele;Alexander Baldacchino

  • Craving in Opioid Use Disorder : From Neurobiology to Clinical Practice

    Johan Kakko;Hannu Alho;Alexander Mario Baldacchino;Rocio Molina

  • COVID-19 and Substance Use Disorders: Recommendations to a Comprehensive Healthcare Response. An International Society of Addiction Medicine (ISAM) Practice and Policy Interest Group Position Paper

    Ali Farhoudian;Alexander Mario Baldacchino;Nicolas Clark;Gilberto Gerra

  • Substance misuse of gabapentin.

    Blair H Smith;Cassie Higgins;Alex Baldacchino;Brian Kidd

  • A Roadmap for Integrating Neuroscience Into Addiction Treatment: A Consensus of the Neuroscience Interest Group of the International Society of Addiction Medicine.

    Antonio Verdejo-Garcia;Valentina Lorenzetti;Victoria Manning;Victoria Manning;Hugh Piercy;Hugh Piercy

  • Social exclusion in clients with comorbid mental health and substance misuse problems.

    J. Todd;G. Green;M. Harrison;B. A. Ikuesan

  • Reorganization of Substance Use Treatment and Harm Reduction Services During the COVID-19 Pandemic: A Global Survey

    Seyed Ramin Radfar;Seyed Ramin Radfar;Cornelis A J De Jong;Ali Farhoudian;Mohsen Ebrahimi

  • Impulsivity and opioid drugs: differential effects of heroin, methadone and prescribed analgesic medication

    A. Baldacchino;D. J. K. Balfour;Kent Matthews

  • Defining dual diagnosis of mental illness and substance misuse: some methodological issues.

    J. Todd;G. Green;M. Harrison;B. A. Ikuesan

  • Association between depression and non-fatal overdoses among drug users: A systematic review and meta-analysis

    Francesco Bartoli;Giuseppe Carrà;Giulia Brambilla;Daniele Carretta

  • Chronic tobacco smoking and neuropsychological impairments: A systematic review and meta-analysis

    A.A. Conti;L. McLean;S. Tolomeo;J.D. Steele

  • Abnormal brain activity during a reward and loss task in opiate-dependent patients receiving methadone maintenance therapy.

    Victoria B Gradin;Alex Baldacchino;David Balfour;Keith Matthews

  • Treating an opiate-dependent inpatient population: a one-year follow-up study of treatment completers and noncompleters

    A.Hamid Ghodse;Martina Reynolds;Alexander M Baldacchino;Emma Dunmore

  • A Global Survey on Changes in the Supply, Price, and Use of Illicit Drugs and Alcohol, and Related Complications During the 2020 COVID-19 Pandemic

    Ali Farhoudian;Seyed Ramin Radfar;Seyed Ramin Radfar;Hossein Mohaddes Ardabili;Parnian Rafei;Parnian Rafei

Frequent Co-Authors

Gerry Humphris
Gerry Humphris University of St Andrews
Masud Yunesian
Masud Yunesian Tehran University of Medical Sciences
J. Douglas Steele
J. Douglas Steele University of Dundee
Kathleen T. Brady
Kathleen T. Brady Medical University of South Carolina
Antonio Verdejo-García
Antonio Verdejo-García Monash University
Martin P. Paulus
Martin P. Paulus Laureate Institute for Brain Research
Trevor W. Robbins
Trevor W. Robbins University of Cambridge
Barry J. Everitt
Barry J. Everitt University of Cambridge
Scott J. Moeller
Scott J. Moeller Stony Brook University
Barbara J. Sahakian
Barbara J. Sahakian University of Cambridge

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Related Online Degrees & Career Pathways

Studying psychology in the USA can open the door to a variety of rewarding online degrees and career pathways. Among the most popular options is pursuing a role in speech-language pathology, which blends communication science and psychology to help people overcome speech and language challenges.

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For those interested in working in the Pacific Northwest, Oregon speech pathologist certification requirements focus on graduate education, supervised clinical hours, and ongoing professional development. In the Northeast, becoming a speech therapist in Pennsylvania also requires state certification and practical experience.

Exploring these related fields through accredited online degrees can provide flexibility and the qualifications needed for a fulfilling career in healthcare and education.

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