Science Explorer Interactive view Map
Research facility · Sofia · Bulgaria

National Drug Addiction Center

In research, National Drug Addiction Center stands highest in Life Sciences (#4,658 of 14,347 worldwide), Medicine (#7,143 of 17,978 worldwide) and Health Sciences (#8,374 of 20,462 worldwide), over all time.

ncn-bg.orgROR OpenAlex
World rank, all time
#9,629
of 42,892
Rank in Bulgaria
#20
of 122
Research works
595
▲ 27% vs 2013–17
Citations
18k
30.8 per fractional work
Top-10% rate
10.4%
record average 16.5%
Open access
28%
world 28%

What is National Drug Addiction Center known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Life SciencesDomain #4,658 of 14,347 24.7%153
MedicineField #7,143 of 17,978 24.5%249
Health SciencesDomain #8,374 of 20,462 24.1%293
Social SciencesDomain #11,917 of 16,945 22.9%127

Each strip is that field’s whole ranked pool, with the notch where National Drug Addiction Center sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.06× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.42× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 1.18× its world share, 1 worksImmunology and Micro…Neuroscience: 4.01× its world share, 4 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 11.38× its world share, 2 worksPharmacology, Toxico…Chemistry: 0.08× its world share, 0 worksChemistryComputer Science: 0.03× its world share, 0 worksComputer ScienceEngineering: 0.05× its world share, 0 worksEngineeringEnvironmental Science: 0.01× its world share, 0 worksEnvironmental ScienceMathematics: 0.23× its world share, 0 worksMathematicsPhysics and Astronomy: 0.85× its world share, 1 worksPhysics and AstronomyDentistry: 1.94× its world share, 0 worksDentistryHealth Professions: 2.57× its world share, 4 worksHealth ProfessionsMedicine: 1.97× its world share, 21 worksMedicineVeterinary: 2.31× its world share, 0 worksVeterinaryArts and Humanities: 1.65× its world share, 3 worksArts and HumanitiesBusiness, Management and Accounting: 0.48× its world share, 1 worksBusiness, Management…Decision Sciences: 0.06× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 1.75× its world share, 2 worksEconomics, Econometr…Psychology: 6.20× its world share, 11 worksPsychologySocial Sciences: 0.61× its world share, 4 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Pharmacology, Toxicology and Pharmaceutics, 11.4×. Every wedge is a field page.

Who are the top researchers at National Drug Addiction Center?

Ranked on the composite score, Griffith Edwards lead among researchers whose main affiliation is National Drug Addiction Center.

  1. 1 Griffith Edwards Bulgaria · #12,349 worldwide 706 citations · 112 works
All ranked researchers at National Drug Addiction Center

Which keywords describe research at National Drug Addiction Center?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Substance Use Disorders, Psychiatric Disorders, Impulsivity, Depression, Behavioral Interventions, Global Burden of Disease, Alcohol Dependence and Motivational Interviewing.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Substance Use Disorders8▲ 195×2 topics
  2. Psychiatric Disorders8▲ 104×4 topics
  3. Impulsivity6▲ 199×2 topics
  4. Depression5▲ 9.8×15 topics
  5. Behavioral Interventions5▲ 107×2 topics
  6. Global Burden of Disease4▲ 33×3 topics
  7. Alcohol Dependence4▲ 193×1 topic
  8. Mortality Risk4▲ 32×3 topics
  9. Motivational Interviewing4▲ 193×1 topic
  10. Epidemiology4▲ 1.90×19 topics
  11. Treatment4▲ 5.7×8 topics
  12. Chronic Pain Management4▲ 198×1 topic
  13. Opioid Prescribing4▲ 198×1 topic
  14. Prevalence4▲ 16×6 topics
  15. Public Health3▲ 4.2×11 topics
  16. Oxidative Stress3▲ 3.5×7 topics
  17. Neurobiology3▲ 22×7 topics
  18. Neurological Disorders3▲ 8.1×6 topics
  19. Mental Health2▲ 2.9×13 topics
  20. Neuroscience2▲ 15×2 topics
  21. Anxiety2▲ 8.7×8 topics
  22. DSM2▲ 176×1 topic
  23. Phenomenology2▲ 39×1 topic
  24. Adolescents2▲ 10×5 topics
  25. Comorbidity2▲ 32×3 topics
  26. Meta-Analysis2▲ 6.0×7 topics
  27. Serotonin2▲ 86×2 topics
  28. Cancer Risk2▲ 13×2 topics
  29. Cannabinoid Receptors2▲ 84×1 topic
  30. Endocannabinoid System2▲ 84×1 topic
  31. Evidence-Based Practice2▲ 22×4 topics
  32. Neuroprotection2▲ 8.2×2 topics
  33. Stress2▲ 7.6×6 topics
  34. Emotion Regulation2▲ 8.7×4 topics
  35. Substance Abuse2▲ 36×2 topics
  36. Anxiety Disorders1▲ 22×2 topics
  37. Cognitive Distortions1▲ 219×1 topic
  38. Neurobiological Correlates1▲ 25×3 topics
  39. Pathological Gambling1▲ 219×1 topic
  40. Psychological Distress1▲ 9.7×4 topics

Which research topics does National Drug Addiction Center publish most on?

By volume in 2022–2025: Substance Abuse Treatment and Outcomes, Opioid Use Disorder Treatment, Mental Health and Psychiatry and Cannabis and Cannabinoid Research.

Substance Abuse Treatmen…4Substance Abuse Treatment and Outcomes: 4 fractional worksOpioid Use Disorder Treatment: 4 fractional worksMental Health and Psychiatry: 2 fractional worksCannabis and Cannabinoid Research: 2 fractional worksGambling Behavior and Treatments: 1 fractional worksHuman Health and Disease: 1 fractional worksMedical and Pharmaceutic Studies: 1 fractional worksImpact of Technology on Adolescents: 1 fractional worksCOVID-19 Pandemic Impacts: 1 fractional worksChild and Adolescent Psychosocial and Emotional Development: 1 fractional works
EpidemiologyPublic Health, Environmental and Occupational HealthPhilosophyPharmacology4 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Substance Abuse Treatment and Outcomes Epidemiology 4 works
  2. 2 Opioid Use Disorder Treatment Public Health, Environmental and Occupational Health 4 works
  3. 3 Mental Health and Psychiatry Philosophy 2 works
  4. 4 Cannabis and Cannabinoid Research Pharmacology 2 works
  5. 5 Gambling Behavior and Treatments Clinical Psychology 1 works
  6. 6 Human Health and Disease Pediatrics, Perinatology and Child Health 1 works
  7. 7 Medical and Pharmaceutic Studies Pharmacology 1 works
  8. 8 Impact of Technology on Adolescents Sociology and Political Science 1 works
  9. 9 COVID-19 Pandemic Impacts Economics and Econometrics 1 works
  10. 10 Child and Adolescent Psychosocial and Emotional Development Clinical Psychology 1 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available27.6%not open72.4%

World: 28% of research is openly available.

with international co-authors44.5%domestic only55.5%

World: 19% is written across borders.

How has National Drug Addiction Center's research output changed?

Output in 2018–2022 was 27% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Sofia

All research institutions in Sofia

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.