Paul D. Morrison

4.6k total citations · 3 hit papers
40 papers, 3.4k citations indexed

About

Paul D. Morrison is a scholar working on Cellular and Molecular Neuroscience, Pharmacology and Psychiatry and Mental health. According to data from OpenAlex, Paul D. Morrison has authored 40 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 25 papers in Cellular and Molecular Neuroscience, 24 papers in Pharmacology and 14 papers in Psychiatry and Mental health. Recurrent topics in Paul D. Morrison's work include Cannabis and Cannabinoid Research (23 papers), Neuroscience and Neuropharmacology Research (19 papers) and Neurotransmitter Receptor Influence on Behavior (15 papers). Paul D. Morrison is often cited by papers focused on Cannabis and Cannabinoid Research (23 papers), Neuroscience and Neuropharmacology Research (19 papers) and Neurotransmitter Receptor Influence on Behavior (15 papers). Paul D. Morrison collaborates with scholars based in United Kingdom, Switzerland and Netherlands. Paul D. Morrison's co-authors include Robin Murray, James Stone, Marta Di Forti, Lyn S. Pilowsky, Shitij Kapur, Philip McGuire, Cécile Henquet, Alessandra Paparelli, Wiesław Jerzy Cubała and Rachel Barron and has published in prestigious journals such as Nature reviews. Neuroscience, American Journal of Psychiatry and Current Biology.

In The Last Decade

Paul D. Morrison

40 papers receiving 3.3k 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.

Opposite Effects of Δ-9-Tetrahydrocannabinol and Cannabidiol on Human Brain Function and Psychopathology

2009 541 citations Sagnik Bhattacharyya, Paul D. Morrison et al. Neuropsychopharmacology profile →
Cannabidiol (CBD) as an Adjunctive Therapy in Schizophrenia: A Multicenter Randomized Controlled Trial

2017 428 citations Philip McGuire, Paul D. Morrison et al. profile →
Cannabidiol inhibits THC-elicited paranoid symptoms and hippocampal-dependent memory impairment

2012 361 citations Amir Englund, Paul D. Morrison et al. Journal of Psychopharmacology profile →

Peers

Countries citing papers authored by Paul D. Morrison

Since Specialization

Citations

This map shows the geographic impact of Paul D. Morrison'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 Paul D. Morrison with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Paul D. Morrison more than expected).

Fields of papers citing papers by Paul D. Morrison

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Paul D. Morrison. 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 Paul D. Morrison. The network helps show where Paul D. Morrison may publish in the future.

Co-authorship network of co-authors of Paul D. Morrison

This figure shows the co-authorship network connecting the top 25 collaborators of Paul D. Morrison. A scholar is included among the top collaborators of Paul D. Morrison 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 Paul D. Morrison. Paul D. Morrison 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	The mechanism of action of clozapine 2025 ·Journal of Psychopharmacology ·Paul D. Morrison, Sameer Jauhar, Allan H. Young	3
2	Cannabidiol for the treatment of cannabis use disorder: a phase 2a, double-blind, placebo-controlled, randomised, adaptive Bayesian trial 2020 ·The Lancet Psychiatry ·Tom P. Freeman, Chandni Hindocha, Gianluca Baio, (unknown), (unknown), (unknown), Abigail M. Freeman, Rachel Lees, Sam Craft, Paul D. Morrison, Michael Bloomfield, Dominic O’Ryan, (unknown), Celia J. A. Morgan, Ali Mofeez, Valerie H. Curran	139
3	Spicing it up - synthetic cannabinoid receptor agonists and psychosis - a systematic review 2018 ·European Neuropsychopharmacology ·(unknown), Nicola J. Kalk, Paul D. Morrison, James Stone	19
4	Group II metabotropic glutamate receptor agonist prodrugs LY2979165 and LY2140023 attenuate the functional imaging response to ketamine in healthy subjects 2018 ·Psychopharmacology ·Mitul A. Mehta, Anne Schmechtig, (unknown), Juliet McColm, Kimberley Jackson, Claire Brittain, Sitra Tauscher‐Wisniewski, Bruce J. Kinon, Paul D. Morrison, Thomas Pollak, Timothy Mant, Steven Williams, Adam J. Schwarz	31
5	The effect of sodium nitroprusside on psychotic symptoms and spatial working memory in patients with schizophrenia: a randomized, double-blind, placebo-controlled trial 2016 ·Psychological Medicine ·James Stone, Paul D. Morrison, Ivan Koychev, Feng Gao, Thomas J. Reilly, Magdalena Kolanko, (unknown), Shitij Kapur, Philip McGuire	22
6	Population Pharmacokinetic Model of THC Integrates Oral, Intravenous, and Pulmonary Dosing and Characterizes Short- and Long-term Pharmacokinetics 2014 ·Clinical Pharmacokinetics ·Jules A. A. C. Heuberger, Zheng Guan, (unknown), Linda E. Klumpers, Paul D. Morrison, Tim L. Beumer, Joop van Gerven, Adam F. Cohen, Jan Freijer	60
7	Delta-9-tetrahydrocannabinol, neural oscillations above 20 Hz and induced acute psychosis 2014 ·Psychopharmacology ·Judith Nottage, James Stone, Robin Murray, Alexander Sumich, Elvira Bramon, Dominic ffytche, Paul D. Morrison	24
8	How Cannabis Causes Paranoia: Using the Intravenous Administration of ∆ 9 -Tetrahydrocannabinol (THC) to Identify Key Cognitive Mechanisms Leading to Paranoia 2014 ·Schizophrenia Bulletin ·Daniel Freeman, Graham Dunn, Robin Murray, Nicole Evans, Rachel Lister, Angus Antley, Mel Slater, Beata R. Godlewska, Robert Cornish, Jonathan H. Williams, Martina Di Simplicio, Artemis Igoumenou, Rudolf Brenneisen, Elizabeth M. Tunbridge, Paul J. Harrison, Catherine J. Harmer, Philip J. Cowen, Paul D. Morrison	98
9	What can we learn about schizophrenia from studying the human model, drug‐induced psychosis? 2013 ·American Journal of Medical Genetics Part B Neuropsychiatric Genetics ·Robin Murray, Alessandra Paparelli, Paul D. Morrison, Arianna Marconi, Marta Di Forti	51
10	Cannabidiol inhibits THC-elicited paranoid symptoms and hippocampal-dependent memory impairment breakdown → 2012 ·Journal of Psychopharmacology ·Amir Englund, Paul D. Morrison, Judith Nottage, (unknown), Fergus Kane, Stefania Bonaccorso, James Stone, Avi Reichenberg, Rudolf Brenneisen, David Holt, Amanda Feilding, Lucy Walker, Robin Murray, Shitij Kapur	361
11	A Novel Method for Reducing the Effect of Tonic Muscle Activity on the Gamma Band of the Scalp EEG 2012 ·Brain Topography ·Judith Nottage, Paul D. Morrison, Steven Williams, Dominic ffytche	22
12	Disruption of Frontal Theta Coherence by Δ9-Tetrahydrocannabinol is Associated with Positive Psychotic Symptoms 2010 ·Neuropsychopharmacology ·Paul D. Morrison, Judith Nottage, James Stone, Sagnik Bhattacharyya, Nigel Tunstall, Rudolf Brenneisen, David Holt, Daniel Wilson, Alexander Sumich, Philip McGuire, Robin Murray, Shitij Kapur, Dominic ffytche	65
13	Opposite Effects of Δ-9-Tetrahydrocannabinol and Cannabidiol on Human Brain Function and Psychopathology breakdown → 2009 ·Neuropsychopharmacology ·Sagnik Bhattacharyya, Paul D. Morrison, Paolo Fusar‐Poli, Rocı́o Martı́n-Santos, Stefan Borgwardt, Toby Winton‐Brown, Chiara Nosarti, (unknown), Marc L. Seal, Paul Allen, Mitul A. Mehta, James Stone, Nigel Tunstall, Vincent Giampietro, Shitij Kapur, Robin Murray, Antônio Waldo Zuardi, José Alexandre S. Crippa, Zerrin Atakan, Philip McGuire	541
14	The acute effects of synthetic intravenous Δ⁹-tetrahydrocannabinol on psychosis, mood and cognitive functioning 2009 ·Psychological Medicine ·Paul D. Morrison, (unknown), Denise A. McKeown, (unknown), David W. Holt, John Powell, Shitij Kapur, Robin Murray	218
15	From Real-World Events to Psychosis: The Emerging Neuropharmacology of Delusions 2009 ·Schizophrenia Bulletin ·Paul D. Morrison, Robin Murray	41
16	What is the mechanism whereby cannabis use increases risk of psychosis? 2008 ·Neurotoxicity Research ·Sonija Luzi, Paul D. Morrison, John Powell, Marta Di Forti, Robin Murray	44
17	Cannabis use and psychiatric and cogitive disorders: the chicken or the egg? 2007 ·Current Opinion in Psychiatry ·Marta Di Forti, Paul D. Morrison, Alexander Butt, Robin Murray	88
18	Schizophrenia 2005 ·Current Biology ·Paul D. Morrison, Robin Murray	14
19	Frequency dependent activation of a slow N-methyl-d-aspartate-dependent excitatory postsynaptic potential in turtle cerebellum by mossy fibre afferents 1995 ·Neuroscience ·Linda Larson‐Prior, Paul D. Morrison, (unknown), N. Traverse Slater	12
20	Changes in adenosine sensitivity in the hippocampus of rats with streptozotocin‐induced diabetes 1992 ·British Journal of Pharmacology ·Paul D. Morrison, (unknown), (unknown), Paul Skett, Trevor W. Stone	34

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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