Alex Gamma

12.6k citations

116 papers · 9.3k indexed · 4 hit papers · h-index 49

Clinical Psychology top 0.2%
Psychiatry and Mental health top 0.2%
Experimental and Cognitive Psychology top 0.5%
Cognitive Neuroscience top 1%
Pharmacology top 0.5%

Co-authors: Jules Angst Vladeta Ajdacic‐Gross Wulf Rössler Dominique Eich Franz X. Vollenweider Matthias E. Liechti Franco Benazzi Erich Studerus
Topics: Bipolar Disorder and Treatment (38 papers)Schizophrenia research and treatment (21 papers)Electroconvulsive Therapy Studies (16 papers)
Cited by: Toxicology Psychiatry and Mental health Biological Psychiatry
Journals: SHILAP Revista de lepidopterologíaPLoS ONE American Journal of Respiratory and Critical Care Medicine
Partner nations: Switzerland United States Slovenia

In The Last Decade

Alex Gamma

112 papers receiving 8.9k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Prevalence, Course, and Comorbidity of Insomnia and Depression in Young Adults

2008 638 citations Jules Angst, Alex Gamma et al. profile →
Toward a re-definition of subthreshold bipolarity: epidemiology and proposed criteria for bipolar-II, minor bipolar disorders and hypomania

2002 630 citations Jules Angst, Alex Gamma et al. Journal of Affective Disorders profile →
The Association Between Short Sleep Duration and Obesity in Young Adults: a 13-Year Prospective Study

2004 525 citations Gregor Hasler, Alex Gamma et al. profile →
The HCL-32: Towards a self-assessment tool for hypomanic symptoms in outpatients

2005 521 citations Jules Angst, Franco Benazzi et al. Journal of Affective Disorders profile →

Peers

Countries citing papers authored by Alex Gamma

Since Specialization

Citations

This map shows the geographic impact of Alex Gamma's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Alex Gamma with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Alex Gamma more than expected).

Fields of papers citing papers by Alex Gamma

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alex Gamma. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Alex Gamma. The network helps show where Alex Gamma may publish in the future.

Co-authorship network of co-authors of Alex Gamma

This figure shows the co-authorship network connecting the top 25 collaborators of Alex Gamma. A scholar is included among the top collaborators of Alex Gamma based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Alex Gamma. Alex Gamma is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Transcultural validity of the Hypomania Checklist–32 (HCL‐32) in patients with major depressive episodes 2013 ·Bipolar Disorders ·Alex Gamma,Jules Angst,Jean‐Michel Azorin,Charles L. Bowden,Giulio Perugi,Eduard Vieta,Allan H. Young	29
2	The role played by depression associated with somatic symptomatology in accounting for the gender difference in the prevalence of depression 2012 ·Social Psychiatry and Psychiatric Epidemiology ·Brett Silverstein,To'Meisha S. Edwards,Alex Gamma,Vladeta Ajdacic‐Gross,Wulf Rössler,Jules Angst	95
3	Identifying features of bipolarity in patients with first-episode postpartum depression: Findings from the international BRIDGE study 2011 ·Journal of Affective Disorders ·Jean-Michel Azorin,Jules Angst,Alex Gamma,Charles L. Bowden,Giulio Perugi,Eduard Vieta,Allan H. Young	59
4	Smoking and psychiatric disorders: Have subthreshold disorders been overlooked? 2010 ·Nicotine & Tobacco Research ·Karin Landolt,Vladeta Ajdacic‐Gross,Jules Angst,Kathleen R. Merikangas,Alex Gamma,Félix Gutzwiller,Wulf Rössler	10
5	Melancholia and atypical depression in the Zurich study: epidemiology, clinical characteristics, course, comorbidity and personality 2007 ·Acta Psychiatrica Scandinavica ·Jules Angst,Alex Gamma,Franco Benazzi,Vladeta Ajdacic‐Gross,Wulf Rössler	86
6	Are behavioral problems in childhood and adolescence associated with bipolar disorder in early adulthood? 2007 ·European Archives of Psychiatry and Clinical Neuroscience ·Jérôme Endrass,Stefan Vetter,Alex Gamma,William T. Gallo,Astrid Rossegger,Frank Urbaniok,Jules Angst	15
7	Asthma and body weight change: a 20-year prospective community study of young adults 2006 ·International Journal of Obesity ·Gregor Hasler,Peter J. Gergen,Vladeta Ajdacic‐Gross,Alex Gamma,Dominique Eich,Wulf Rössler,Jules Angst	44
8	The use of complementary and alternative medicine in the general population: results from a longitudinal community study 2006 ·Psychological Medicine ·Wulf Rössler,Christoph Lauber,Jules Angst,Hélène Haker,Alex Gamma,Dominique Eich,Ronald C. Kessler,Vladeta Ajdacic‐Gross	44
9	Asthma and Panic in Young Adults 2005 ·American Journal of Respiratory and Critical Care Medicine ·Gregor Hasler,Peter J. Gergen,David G. Kleinbaum,Vladeta Ajdacic‐Gross,Alex Gamma,Dominique Eich,Wulf Rössler,Jules Angst	174
10	Suicide in 406 Mood-Disorder Patients With and Without Long-Term Medication: A 40 to 44 Years' Follow-Up 2005 ·Archives of Suicide Research ·Jules Angst,Felix Angst,(unknown),Alex Gamma	214
11	Depressive symptoms during childhood and adult obesity: the Zurich Cohort Study 2005 ·Molecular Psychiatry ·Gregor Hasler,Daniel S. Pine,David G. Kleinbaum,Alex Gamma,David A. Luckenbaugh,Vladeta Ajdacic‐Gross,Dominique Eich,Wulf Rössler,Jules Angst	151
12	Obsessive-compulsive syndromes and disorders 2005 ·European Archives of Psychiatry and Clinical Neuroscience ·Jules Angst,Alex Gamma,Jérôme Endrass,Élie Hantouche,(unknown),Vladeta Ajdacic‐Gross,Dominique Eich,Wulf R�ssler	115
13	Prevalence of mental disorders in the Zurich Cohort Study: a twenty year prospective study 2005 ·Epidemiologia e Psichiatria Sociale ·Jules Angst,Alex Gamma,Martin Neuenschwander,Vladeta Ajdacic‐Gross,Dominique Eich,Wulf Rössler,Kathleen R. Merikangas	105
14	Diagnostic conversion from depression to bipolar disorders: results of a long-term prospective study of hospital admissions 2003 ·Journal of Affective Disorders ·Jules Angst,Robert Sellaro,Hans H. Stassen,Alex Gamma	226
15	Recurrent brief depression—past and future 2003 ·Progress in Neuro-Psychopharmacology and Biological Psychiatry ·Lukas Pezawas,Jules Angst,Alex Gamma,Vladeta Ajdacic‐Gross,Dominique Eich,Wulf Rössler	14
16	The Zurich Study: participation patterns and Symptom Checklist 90‐R scores in six interviews, 1979–99 2003 ·Acta Psychiatrica Scandinavica ·Dominique Eich,Vladeta Ajdacic‐Gross,(unknown),Heartley B. Huber,Alex Gamma,Jules Angst,Wulf Rössler	62
17	Diagnostic issues in bipolar disorder 2003 ·European Neuropsychopharmacology ·Jules Angst,Alex Gamma,Franco Benazzi,Vladeta Ajdacic‐Gross,Dominique Eich,Wulf Rössler	91
18	Toward a re-definition of subthreshold bipolarity: epidemiology and proposed criteria for bipolar-II, minor bipolar disorders and hypomaniabreakdown → 2002 ·Journal of Affective Disorders ·Jules Angst,Alex Gamma,Franco Benazzi,Vladeta Ajdacic‐Gross,Dominique Eich,Wulf Rössler	630
19	Gender differences in the subjective effects of MDMA 2001 ·Psychopharmacology ·Matthias E. Liechti,Alex Gamma,Franz X. Vollenweider	253
20	3,4-Methylenedioxymethamphetamine (MDMA) Modulates Cortical and Limbic Brain Activity as Measured by [H215O]-PET in Healthy Humans 2000 ·Neuropsychopharmacology ·Alex Gamma	110

About Alex Gamma

Alex Gamma is a scholar working on Toxicology, Psychiatry and Mental health and Clinical Psychology, having authored 116 papers that have together received 9.3k indexed citations. Recurring topics across this work include Bipolar Disorder and Treatment (38 papers), Schizophrenia research and treatment (21 papers) and Electroconvulsive Therapy Studies (16 papers). The work is most often cited by research in Toxicology (791 citations), Psychiatry and Mental health (3.4k citations) and Biological Psychiatry (535 citations). Alex Gamma has collaborated with scholars based in Switzerland, United States and Slovenia. Frequent co-authors include Jules Angst, Vladeta Ajdacic‐Gross, Wulf Rössler, Dominique Eich, Franz X. Vollenweider, Matthias E. Liechti, Franco Benazzi, Erich Studerus, Daniel J. Buysse and Gregor Hasler. Their work appears in journals such as SHILAP Revista de lepidopterología, PLoS ONE and American Journal of Respiratory and Critical Care Medicine.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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