World's Best Scientists 2026 revealed!
Deepak Cyril D'Souza

Deepak Cyril D'Souza

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Neuroscience 70 2506 2289 1189 1068 239 18324
Social Sciences and Humanities 70 777 679 370 317 231 18248
Medicine 70 20088 18833 9998 9206 238 18324

Deepak Cyril D'Souza publications per year

The chart shows the history of publications by Deepak Cyril D'Souza between 1994 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Deepak Cyril D'Souza published across 32 years, from 1994 to 2025, averaging 8.1 papers a year. Output peaked at 21 publications in 2021. 14 of the 260 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1994 to 2025. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2021. 1994: 3 publications 1995: 4 publications 1996: 4 publications 1997: 5 publications 1998: 6 publications 1999: 4 publications 2000: 7 publications 2001: 4 publications 2002: 1 publication 2003: 7 publications 2004: 4 publications 2005: 5 publications 2006: 8 publications 2007: 2 publications 2008: 3 publications 2009: 7 publications 2010: 9 publications 2011: 7 publications 2012: 14 publications 2013: 14 publications 2014: 12 publications 2015: 7 publications 2016: 11 publications 2017: 12 publications 2018: 17 publications 2019: 12 publications 2020: 10 publications 2021: 21 publications 2022: 18 publications 2023: 8 publications 2024: 7 publications 2025: 7 publications
1994 2025

260 publications in total across all disciplines

View publications per year as a table
Deepak Cyril D'Souza: publications per year, 1994 to 2025
Year Publications
1994 3
1995 4
1996 4
1997 5
1998 6
1999 4
2000 7
2001 4
2002 1
2003 7
2004 4
2005 5
2006 8
2007 2
2008 3
2009 7
2010 9
2011 7
2012 14
2013 14
2014 12
2015 7
2016 11
2017 12
2018 17
2019 12
2020 10
2021 21
2022 18
2023 8
2024 7
2025 7
Total 260
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Deepak Cyril D'Souza publication distribution in Social Sciences and Humanities in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where Deepak Cyril D'Souza sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 54 bars. Horizontal axis: publications, 44–53 to 570+. Vertical axis: number of scientists, 0 to 474. Most scientists, 474, have 114–123 publications. The last bar groups every scientist with 570 publications or more. The highlighted bar, 224–233 publications, is where this scientist sits. 44–53 publications: 28 scientists 54–63 publications: 61 scientists 64–73 publications: 161 scientists 74–83 publications: 225 scientists 84–93 publications: 301 scientists 94–103 publications: 390 scientists 104–113 publications: 406 scientists 114–123 publications: 474 scientists 124–133 publications: 453 scientists 134–143 publications: 434 scientists 144–153 publications: 407 scientists 154–163 publications: 411 scientists 164–173 publications: 391 scientists 174–183 publications: 313 scientists 184–193 publications: 319 scientists 194–203 publications: 304 scientists 204–213 publications: 285 scientists 214–223 publications: 246 scientists 224–233 publications: 213 scientists 234–243 publications: 170 scientists 244–253 publications: 167 scientists 254–263 publications: 162 scientists 264–273 publications: 138 scientists 274–283 publications: 138 scientists 284–293 publications: 113 scientists 294–303 publications: 106 scientists 304–313 publications: 95 scientists 314–323 publications: 101 scientists 324–333 publications: 81 scientists 334–343 publications: 69 scientists 344–353 publications: 56 scientists 354–363 publications: 36 scientists 364–373 publications: 42 scientists 374–383 publications: 41 scientists 384–393 publications: 44 scientists 394–403 publications: 27 scientists 404–413 publications: 30 scientists 414–423 publications: 20 scientists 424–433 publications: 29 scientists 434–443 publications: 29 scientists 444–453 publications: 25 scientists 454–463 publications: 19 scientists 464–473 publications: 21 scientists 474–483 publications: 11 scientists 484–493 publications: 17 scientists 494–503 publications: 7 scientists 504–513 publications: 6 scientists 514–523 publications: 12 scientists 524–533 publications: 10 scientists 534–543 publications: 7 scientists 544–553 publications: 6 scientists 554–563 publications: 12 scientists 564–569 publications: 8 scientists 570+ publications: 100 scientists
44–53 publications 570+

This scientist: 231 publications — 74th percentile

74% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 570 publications or more.

View publications distribution as a table
Number of Social Sciences and Humanities scientists by publication count, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
Publications Scientists This scientist
44–53 28
54–63 61
64–73 161
74–83 225
84–93 301
94–103 390
104–113 406
114–123 474
124–133 453
134–143 434
144–153 407
154–163 411
164–173 391
174–183 313
184–193 319
194–203 304
204–213 285
214–223 246
224–233 213 231
234–243 170
244–253 167
254–263 162
264–273 138
274–283 138
284–293 113
294–303 106
304–313 95
314–323 101
324–333 81
334–343 69
344–353 56
354–363 36
364–373 42
374–383 41
384–393 44
394–403 27
404–413 30
414–423 20
424–433 29
434–443 29
444–453 25
454–463 19
464–473 21
474–483 11
484–493 17
494–503 7
504–513 6
514–523 12
524–533 10
534–543 7
544–553 6
554–563 12
564–569 8
570+ 100
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Deepak Cyril D'Souza D-index placement in Social Sciences and Humanities in 2026

The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where Deepak Cyril D'Souza sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 71 bars. Horizontal axis: D-Index, 30 to 100+. Vertical axis: number of scientists, 0 to 313. Most scientists, 313, have 42 D-Index. The last bar groups every scientist with 100 D-Index or more. The highlighted bar, 70 D-Index, is where this scientist sits. 30 D-Index: 177 scientists 31 D-Index: 210 scientists 32 D-Index: 222 scientists 33 D-Index: 188 scientists 34 D-Index: 181 scientists 35 D-Index: 243 scientists 36 D-Index: 261 scientists 37 D-Index: 272 scientists 38 D-Index: 278 scientists 39 D-Index: 300 scientists 40 D-Index: 297 scientists 41 D-Index: 308 scientists 42 D-Index: 313 scientists 43 D-Index: 300 scientists 44 D-Index: 269 scientists 45 D-Index: 260 scientists 46 D-Index: 228 scientists 47 D-Index: 251 scientists 48 D-Index: 203 scientists 49 D-Index: 186 scientists 50 D-Index: 187 scientists 51 D-Index: 166 scientists 52 D-Index: 138 scientists 53 D-Index: 141 scientists 54 D-Index: 131 scientists 55 D-Index: 137 scientists 56 D-Index: 109 scientists 57 D-Index: 129 scientists 58 D-Index: 95 scientists 59 D-Index: 105 scientists 60 D-Index: 106 scientists 61 D-Index: 86 scientists 62 D-Index: 94 scientists 63 D-Index: 77 scientists 64 D-Index: 79 scientists 65 D-Index: 59 scientists 66 D-Index: 68 scientists 67 D-Index: 51 scientists 68 D-Index: 49 scientists 69 D-Index: 40 scientists 70 D-Index: 43 scientists 71 D-Index: 40 scientists 72 D-Index: 50 scientists 73 D-Index: 46 scientists 74 D-Index: 43 scientists 75 D-Index: 45 scientists 76 D-Index: 45 scientists 77 D-Index: 30 scientists 78 D-Index: 25 scientists 79 D-Index: 31 scientists 80 D-Index: 29 scientists 81 D-Index: 18 scientists 82 D-Index: 21 scientists 83 D-Index: 26 scientists 84 D-Index: 15 scientists 85 D-Index: 15 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 12 scientists 89 D-Index: 7 scientists 90 D-Index: 19 scientists 91 D-Index: 20 scientists 92 D-Index: 13 scientists 93 D-Index: 9 scientists 94 D-Index: 13 scientists 95 D-Index: 8 scientists 96 D-Index: 7 scientists 97 D-Index: 6 scientists 98 D-Index: 6 scientists 99 D-Index: 6 scientists 100+ D-Index: 97 scientists
30 D-Index 100+

This scientist: 70 D-Index — 90th percentile

90% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 100 D-Index or more.

View D-Index distribution as a table
Number of Social Sciences and Humanities scientists by D-index, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
D-Index Scientists This scientist
30 177
31 210
32 222
33 188
34 181
35 243
36 261
37 272
38 278
39 300
40 297
41 308
42 313
43 300
44 269
45 260
46 228
47 251
48 203
49 186
50 187
51 166
52 138
53 141
54 131
55 137
56 109
57 129
58 95
59 105
60 106
61 86
62 94
63 77
64 79
65 59
66 68
67 51
68 49
69 40
70 43 70
71 40
72 50
73 46
74 43
75 45
76 45
77 30
78 25
79 31
80 29
81 18
82 21
83 26
84 15
85 15
86 19
87 19
88 12
89 7
90 19
91 20
92 13
93 9
94 13
95 8
96 7
97 6
98 6
99 6
100+ 97
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Overview

Deepak Cyril D'Souza is affiliated with Yale University in the United States. Their research primarily spans the fields of Medicine and Neuroscience, with a focus on several subfields including Pharmacology, Cognitive Neuroscience, Clinical Psychology, Cellular and Molecular Neuroscience, and Psychiatry and Mental Health.

The scientist's work engages deeply with topics related to Cannabis and Cannabinoid Research, Psychedelics and Drug Studies, Tryptophan and brain disorders, Chemical synthesis and alkaloids, Neurotransmitter Receptor Influence on Behavior, Functional Brain Connectivity Studies, and Treatment of Major Depression.

Recent publications include:

  • Psychiatric symptoms caused by cannabis constituents: a systematic review and meta-analysis (2020, The Lancet Psychiatry)
  • Modulation of the antidepressant effects of ketamine by the mTORC1 inhibitor rapamycin (2020, Neuropsychopharmacology)
  • Association of Ketamine With Psychiatric Symptoms and Implications for Its Therapeutic Use and for Understanding Schizophrenia (2020, JAMA Network Open)
  • Exploratory study of the dose-related safety, tolerability, and efficacy of dimethyltryptamine (DMT) in healthy volunteers and major depressive disorder (2022, Neuropsychopharmacology)
  • Exploratory Controlled Study of the Migraine-Suppressing Effects of Psilocybin (2020, Neurotherapeutics)

Frequent co-authors contributing to research alongside Deepak Cyril D'Souza include Mohini Ranganathan, Patrick D. Skosnik, Suhas Ganesh, Rajiv Radhakrishnan, and John H. Krystal.

Publications are often found in venues such as bioRxiv (Cold Spring Harbor Laboratory), Psychopharmacology, Neuropsychopharmacology, Biological Psychiatry, and the Journal of Psychopharmacology.

Best Publications

  • The psychotomimetic effects of intravenous Delta-9-tetrahydrocannabinol in healthy individuals: Implications for psychosis

    Deepak Cyril D'Souza;Edward Perry;Lisa MacDougall;Yola Ammerman

  • Delta-9-tetrahydrocannabinol effects in schizophrenia: implications for cognition, psychosis, and addiction.

    Deepak Cyril D’Souza;Walid Michel Abi-Saab;Walid Michel Abi-Saab;Steven Madonick;Kimberlee Forselius-Bielen

  • The acute effects of cannabinoids on memory in humans: a review

    Mohini Ranganathan;Deepak Cyril D’Souza

  • NMDA receptor antagonist effects, cortical glutamatergic function, and schizophrenia: toward a paradigm shift in medication development.

    John H. Krystal;D. Cyril D'Souza;Daniel Mathalon;Edward Perry

  • Deficits in Prefrontal Cortical and Extrastriatal Dopamine Release in Schizophrenia: A Positron Emission Tomographic Functional Magnetic Resonance Imaging Study

    Mark Slifstein;Mark Slifstein;Elsmarieke van de Giessen;Elsmarieke van de Giessen;Jared Van Snellenberg;Jared Van Snellenberg;Judy L. Thompson;Judy L. Thompson;Judy L. Thompson

  • Gone to Pot - A Review of the Association between Cannabis and Psychosis.

    Rajiv Radhakrishnan;Samuel T. Wilkinson;Deepak Cyril D’Souza

  • Preliminary evidence of attenuation of the disruptive effects of the NMDA glutamate receptor antagonist, ketamine, on working memory by pretreatment with the group II metabotropic glutamate receptor agonist, LY354740, in healthy human subjects

    John H. Krystal;Walid Abi-Saab;Edward Perry;D. Cyril D’Souza

  • Clinical significance of neurological soft signs in schizophrenia: Factor analysis of the Neurological Evaluation Scale

    R. Andrew Sewell;Edward B. Perry;Laurence P. Karper;Morris D. Bell

  • Comparative and Interactive Human Psychopharmacologic Effects of Ketamine and Amphetamine: Implications for Glutamatergic and Dopaminergic Model Psychoses and Cognitive Function

    John H. Krystal;Edward B. Perry;Edward B. Perry;Ralitza Gueorguieva;Aysenil Belger

  • Cannabis and psychosis/schizophrenia: human studies

    Deepak Cyril D’Souza;Richard Andrew Sewell;Mohini Ranganathan

  • N-methyl-D-aspartate glutamate receptors and alcoholism: reward, dependence, treatment, and vulnerability.

    John H. Krystal;Ismene L. Petrakis;Graeme Mason;Louis Trevisan

  • NMDA agonists and antagonists as probes of glutamatergic dysfunction and pharmacotherapies in neuropsychiatric disorders

    John H. Krystal;D. Cyril D'Souza;Ismene L. Petrakis;Aysenil Belger

  • Blunted psychotomimetic and amnestic effects of delta-9-tetrahydrocannabinol in frequent users of cannabis.

    Deepak Cyril D'Souza;Mohini Ranganathan;Gabriel Braley;Ralitza Gueorguieva

  • Spicing things up: synthetic cannabinoids

    Max Spaderna;Peter H. Addy;Deepak Cyril D’Souza

  • Nicotine effects on brain function and functional connectivity in schizophrenia.

    Leslie K Jacobsen;D.Cyril D'Souza;W.Einar Mencl;Kenneth R Pugh

  • Interactive effects of subanesthetic ketamine and haloperidol in healthy humans.

    Krystal Jh;D'Souza Dc;Karper Lp;Bennett A

  • The NMDA antagonist model for schizophrenia: promise and pitfalls.

    W. M. Abi-Saab;D. C. D'Souza;D. C. D'Souza;B. Moghaddam;J. H. Krystal;J. H. Krystal

  • Relationship of resting brain hyperconnectivity and schizophrenia-like symptoms produced by the NMDA receptor antagonist ketamine in humans

    Naomi R. Driesen;Gregory McCarthy;Zubin Bhagwagar;Zubin Bhagwagar;Michael Bloch

  • Marijuana Legalization: Impact on Physicians and Public Health

    Samuel T. Wilkinson;Stephanie Yarnell;Rajiv Radhakrishnan;Samuel A. Ball;Samuel A. Ball

  • The effects of cannabidiol (CBD) on cognition and symptoms in outpatients with chronic schizophrenia a randomized placebo controlled trial.

    Douglas L. Boggs;Toral Surti;Aarti Gupta;Swapnil Gupta

  • Interactive effects of subanesthetic ketamine and subhypnotic lorazepam in humans.

    Krystal Jh;Karper Lp;Bennett A;D'Souza Dc

Frequent Co-Authors

John H. Krystal
John H. Krystal Yale University
Brian Pittman
Brian Pittman Yale University
Daniel H. Mathalon
Daniel H. Mathalon University of California, San Francisco
Richard E. Carson
Richard E. Carson Yale University
Yiyun Huang
Yiyun Huang Yale University
Thomas B. Cooper
Thomas B. Cooper Columbia University
Anissa Abi-Dargham
Anissa Abi-Dargham Stony Brook University
Chadi G. Abdallah
Chadi G. Abdallah Baylor College of Medicine
Nabeel Nabulsi
Nabeel Nabulsi Yale University
Steven M. Southwick
Steven M. Southwick Yale University

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