Sean S. O’Sullivan

9.5k citations

64 papers · 4.8k indexed · 2 hit papers · h-index 35

Neurology top 0.1%
Cellular and Molecular Neuroscience top 1%
Physiology top 2%
Cognitive Neuroscience top 2%
Clinical Psychology top 2%

Co-authors: Andrew J. Lees Janice L. Holton Atbin Djamshidian Tamás Révész Luke A. Massey David R. Williams David A. Gallagher Laura Parkkinen
Topics: Parkinson's Disease Mechanisms and Treatments (47 papers)Obsessive-Compulsive Spectrum Disorders (22 papers)Neurological disorders and treatments (22 papers)
Cited by: Neurology Cellular and Molecular Neuroscience
Journals: PLoS ONE Brain Neurology
Partner nations: United Kingdom United States Ireland

In The Last Decade

Sean S. O’Sullivan

63 papers receiving 4.7k 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.

Glucocerebrosidase mutations in clinical and pathologically proven Parkinson's disease

2009 509 citations José Brás, Emma Deas et al. Brain profile →
Lewy- and Alzheimer-type pathologies in Parkinson's disease dementia: which is more important?

2011 441 citations Yaroslau Compta, Laura Parkkinen et al. Brain profile →

Peers

Countries citing papers authored by Sean S. O’Sullivan

Since Specialization

Citations

This map shows the geographic impact of Sean S. O’Sullivan'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 Sean S. O’Sullivan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Sean S. O’Sullivan more than expected).

Fields of papers citing papers by Sean S. O’Sullivan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sean S. O’Sullivan. 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 Sean S. O’Sullivan. The network helps show where Sean S. O’Sullivan may publish in the future.

Co-authorship network of co-authors of Sean S. O’Sullivan

This figure shows the co-authorship network connecting the top 25 collaborators of Sean S. O’Sullivan. A scholar is included among the top collaborators of Sean S. O’Sullivan 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 Sean S. O’Sullivan. Sean S. O’Sullivan 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	Scales to assess impulsive and compulsive behaviors in Parkinson's disease: Critique and recommendations 2019 ·Movement Disorders ·Andrew Evans,David Okai,Daniel Weintraub,Shen‐Yang Lim,Sean S. O’Sullivan,Valerie Voon,Paul Krack,Cristina Sampaio,Bart Post,Albert F.G. Leentjens,Pablo Martínez‐Martín,Glenn T. Stebbins,Christopher G. Goetz,Anette Schrag	51
2	The long-term outcome of impulsive compulsive behaviours in Parkinson’s disease 2019 ·Journal of Neurology Neurosurgery & Psychiatry ·(unknown),Atbin Djamshidian,Sean S. O’Sullivan,Eduardo De Pablo‐Fernández,Prasad Korlipara,Huw R. Morris,Kailash P. Bhatia,Patricia Limousin,Thomas Foltynie,Andrew J. Lees,Thomas T. Warner	3
3	Single versus multiple impulse control disorders in Parkinson’s disease: an 11C-raclopride positron emission tomography study of reward cue-evoked striatal dopamine release 2015 ·Journal of Neurology ·Kit Wu,Marios Politis,Sean S. O’Sullivan,Andrew D. Lawrence,(unknown),Subrata K. Bose,Andrew J. Lees,Paola Piccini	39
4	The midbrain to pons ratio 2013 ·Neurology ·Luke A. Massey,Hans Rolf Jäger,Dominic Paviour,Sean S. O’Sullivan,Helen Ling,David R. Williams,Constantinos Kallis,Janice L. Holton,Tamás Révész,David J. Burn,Tarek Yousry,Andrew J. Lees,Nick C. Fox,Caroline Micallef	120
5	Neural response to visual sexual cues in dopamine treatment-linked hypersexuality in Parkinson’s disease 2013 ·Brain ·Marios Politis,Clare Loane,Kit Wu,Sean S. O’Sullivan,Zoe Woodhead,Lorenzo Kiferle,Andrew D. Lawrence,Andrew J. Lees,Paola Piccini	119
6	MM2 subtype of sporadic Creutzfeldt-Jakob disease may underlie the clinical presentation of progressive supranuclear palsy 2012 ·Journal of Neurology ·Igor Petrović,Antonio Martín‐Bastida,Luke A. Massey,Helen Ling,Sean S. O’Sullivan,David R. Williams,Janice L. Holton,Tamás Révész,James W. Ironside,Andrew J. Lees,Laura Silveira‐Moriyama	16
7	Conventional magnetic resonance imaging in confirmed progressive supranuclear palsy and multiple system atrophy 2012 ·Movement Disorders ·Luke A. Massey,Caroline Micallef,Dominic Paviour,Sean S. O’Sullivan,Helen Ling,David R. Williams,Constantinos Kallis,Janice L. Holton,Tamás Révész,David J. Burn,Tarek Yousry,Andrew J. Lees,Nick C. Fox,Hans Rolf Jäger	149
8	Vascular endothelial growth factor is upregulated by l-dopa in the parkinsonian brain: implications for the development of dyskinesia 2011 ·Brain ·Elisabet O. Sjöström,Veronica Francardo,Hanna Lindgren,(unknown),Sean S. O’Sullivan,Andrew S. Luksik,Fair M. Vassoler,Andrew J. Lees,Christine Konradi,M. Angela Cenci	106
9	Glucocerebrosidase mutations do not cause increased Lewy body pathology in Parkinson's disease 2011 ·Molecular Genetics and Metabolism ·(unknown),(unknown),Sean S. O’Sullivan,Janice L. Holton,Tamás Révész,John Hardy,Andrew J. Lees	33
10	Lewy- and Alzheimer-type pathologies in Parkinson's disease dementia: which is more important?breakdown → 2011 ·Brain ·Yaroslau Compta,Laura Parkkinen,Sean S. O’Sullivan,Jana Vandrovcová,Janice L. Holton,Claire Collins,Tammaryn Lashley,Constantinos Kallis,D. R. Williams,Rohan de Silva,A. J. Lees,T. Révész	441
11	Cue-induced striatal dopamine release in Parkinson's disease-associated impulsive-compulsive behaviours 2011 ·Brain ·Sean S. O’Sullivan,K. Wu,Marios Politis,Andrew D. Lawrence,AH Evans,S. K. Bose,Atbin Djamshidian,A. J. Lees,Paola Piccini	203
12	Does corticobasal degeneration exist? A clinicopathological re-evaluation 2010 ·Brain ·Helen Ling,Sean S. O’Sullivan,JL Holton,T. Révész,Luke A. Massey,David R. Williams,Dominic Paviour,Andrew J. Lees	278
13	Maladaptive plasticity of serotonin axon terminals in levodopa‐induced dyskinesia 2010 ·Annals of Neurology ·Daniella Rylander Ottosson,Martin Parent,Sean S. O’Sullivan,Sandra Doveró,Andrew J. Lees,Erwan Bézard,Laurent Descarries,M. Angela Cenci	209
14	Impulsive‐compulsive spectrum behaviors in pathologically confirmed progressive supranuclear palsy 2010 ·Movement Disorders ·Sean S. O’Sullivan,Atbin Djamshidian,Zeshan Ahmed,Andrew Evans,Andrew D. Lawrence,Janice L. Holton,Tamás Révész,Andrew J. Lees	28
15	Glucocerebrosidase mutations in clinical and pathologically proven Parkinson's diseasebreakdown → 2009 ·Brain ·(unknown),José Brás,Emma Deas,Sean S. O’Sullivan,Laura Parkkinen,Robin Lachmann,Abi Li,Janice L. Holton,Rita Guerreiro,Reema Paudel,(unknown),Andrew Singleton,Andrew J. Lees,John Hardy,Henry Houlden,Tamás Révész,Nicholas Wood	509
16	Dopamine dysregulation syndrome, impulse control disorders and punding after deep brain stimulation surgery for Parkinson’s disease 2009 ·Journal of Clinical Neuroscience ·Shen‐Yang Lim,Sean S. O’Sullivan,Katya Kotschet,David A. Gallagher,Cameron Lacey,Andrew D. Lawrence,Andrew J. Lees,D J O'Sullivan,Richard Peppard,Julian P. Rodrigues,Anette Schrag,Paul Silberstein,Stephen Tisch,Andrew Evans	184
17	Concomitant progressive supranuclear palsy and multiple system atrophy: More than a simple twist of fate? 2009 ·Neuroscience Letters ·Laura Silveira‐Moriyama,Ana Marcos González,Sean S. O’Sullivan,David R. Williams,Luke A. Massey,Laura Parkkinen,Zeshan Ahmed,Rohan de Silva,(unknown),Tamás Révész,Andrew J. Lees,Janice L. Holton	15
18	Cortical α-synuclein load is associated with amyloid-β plaque burden in a subset of Parkinson’s disease patients 2008 ·Acta Neuropathologica ·Tammaryn Lashley,Janice L. Holton,E. G. Gray,(unknown),Sean S. O’Sullivan,Arlete Hilbig,Nicholas Wood,Andrew J. Lees,Tamás Révész	139
19	Clinical characteristics and outcome of patients diagnosed with psychogenic nonepileptic seizures: A 5-year review 2007 ·Epilepsy & Behavior ·Sean S. O’Sullivan,Jennifer Spillane,Elaine McMahon,Brian Sweeney,(unknown),Brian McNamara,Eugene Cassidy	77
20	Pathological gambling in Parkinson's disease: Risk factors and differences from dopamine dysregulation. An analysis of published case series 2007 ·Movement Disorders ·David A. Gallagher,Sean S. O’Sullivan,Andrew Evans,Andrew J. Lees,Anette Schrag	179

About Sean S. O’Sullivan

Sean S. O’Sullivan is a scholar working on Neurology, Clinical Psychology and Cellular and Molecular Neuroscience, having authored 64 papers that have together received 4.8k indexed citations. Recurring topics across this work include Parkinson's Disease Mechanisms and Treatments (47 papers), Obsessive-Compulsive Spectrum Disorders (22 papers) and Neurological disorders and treatments (22 papers). The work is most often cited by research in Neurology (3.7k citations), Neurology (657 citations) and Cellular and Molecular Neuroscience (1.2k citations). Sean S. O’Sullivan has collaborated with scholars based in United Kingdom, United States and Ireland. Frequent co-authors include Andrew J. Lees, Janice L. Holton, Atbin Djamshidian, Tamás Révész, Luke A. Massey, David R. Williams, David A. Gallagher, Laura Parkkinen, Bruno B. Averbeck and Andrew Evans. Their work appears in journals such as PLoS ONE, Brain and Neurology.

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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