Gregory L. Hanna

13.0k citations

105 papers · 4.9k indexed · 1 hit paper · h-index 38

Clinical Psychology top 0.5%
Cognitive Neuroscience top 0.5%
Psychiatry and Mental health top 1%
Experimental and Cognitive Psychology top 1%
Cellular and Molecular Neuroscience top 2%

Co-authors: Eric Hollander Gerald Nestadt H. Blair Simpson Joseph A. Himle Kate D. Fitzgerald Edwin H. Cook Daniel Fischer Paul Arnold
Topics: Obsessive-Compulsive Spectrum Disorders (68 papers)Autism Spectrum Disorder Research (36 papers)Child and Adolescent Psychosocial and Emotional Development (24 papers)
Cited by: Clinical Psychology Cognitive Neuroscience Experimental and Cognitive Psychology
Journals: SHILAP Revista de lepidopterologíaPLoS ONE American Journal of Psychiatry
Partner nations: United States Canada Australia

In The Last Decade

Gregory L. Hanna

103 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.

Practice Guideline for the Treatment of Patients With Obsessive-Compulsive Disorder

2008 788 citations Gregory L. Hanna et al. profile →

Peers

Countries citing papers authored by Gregory L. Hanna

Since Specialization

Citations

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

Fields of papers citing papers by Gregory L. Hanna

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Gregory L. Hanna. 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 Gregory L. Hanna. The network helps show where Gregory L. Hanna may publish in the future.

Co-authorship network of co-authors of Gregory L. Hanna

This figure shows the co-authorship network connecting the top 25 collaborators of Gregory L. Hanna. A scholar is included among the top collaborators of Gregory L. Hanna 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 Gregory L. Hanna. Gregory L. Hanna 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	Error‐related brain activity associated with obsessive–compulsive symptoms in youth 2023 ·Brain and Behavior ·(unknown),Yanni Liu,Gregory L. Hanna,Emily L. Bilek,Stefanie Russman Block,Jillian E. Hardee,Mary M. Heitzeg,David Pagliaccio,Rachel Marsh,Kate D. Fitzgerald	1
2	Abnormally Enhanced Midfrontal Theta Activity During Response Monitoring in Youths With Obsessive-Compulsive Disorder 2022 ·Biological Psychiatry ·Takakuni Suzuki,Pan Gu,Tyler Grove,(unknown),(unknown),(unknown),Paul Arnold,Stephan F. Taylor,Yanni Liu,William J. Gehring,Gregory L. Hanna,Ivy F. Tso	9
3	An association of Myelin Oligodendrocyte Glycoprotein (MOG) gene variants with white matter volume in pediatric obsessive-compulsive disorder 2020 ·Psychiatry Research Neuroimaging ·Gwyneth Zai,Paul Arnold,Margaret A. Richter,Gregory L. Hanna,David Rosenberg,James L. Kennedy	5
4	Evoking network profiles of the dorsal anterior cingulate in youth with Obsessive-Compulsive Disorder during motor control and working memory 2020 ·Journal of Psychiatric Research ·(unknown),Asadur Chowdury,(unknown),(unknown),(unknown),Gregory L. Hanna,Paul Arnold,David R. Rosenberg,Vaibhav A. Diwadkar	7
5	Error-related brain activity in adolescents with obsessive-compulsive disorder and major depressive disorder 2018 ·Depression and Anxiety ·Gregory L. Hanna,Yanni Liu,(unknown),(unknown),(unknown),(unknown),Paul Arnold,William J. Gehring	19
6	Brain network dysfunction in youth with obsessive-compulsive disorder induced by simple uni-manual behavior: The role of the dorsal anterior cingulate cortex 2016 ·Psychiatry Research Neuroimaging ·(unknown),(unknown),(unknown),(unknown),(unknown),Asadur Chowdury,Paul Arnold,Gregory L. Hanna,David R. Rosenberg,Vaibhav A. Diwadkar	18
7	Functional studies and rare variant screening of SLC1A1/EAAC1 in males with obsessive–compulsive disorder 2012 ·Psychiatric Genetics ·Jeremy Veenstra‐VanderWeele,Tim Xu,Alicia M. Ruggiero,(unknown),(unknown),Joseph A. Himle,James L. Kennedy,Margaret A. Richter,Gregory L. Hanna,Paul Arnold	16
8	The role of glutamate signaling in the pathogenesis and treatment of obsessive–compulsive disorder 2011 ·Pharmacology Biochemistry and Behavior ·Ke Wu,Gregory L. Hanna,David R. Rosenberg,Paul Arnold	160
9	Glutamate System Genes Associated with Ventral Prefrontal and Thalamic Volume in Pediatric Obsessive-Compulsive Disorder 2008 ·Brain Imaging and Behavior ·Paul Arnold,Frank P. MacMaster,Gregory L. Hanna,Margaret A. Richter,Tricia Sicard,Eliza Burroughs,Yousha Mirza,Phillip Easter,Michelle Rose,James L. Kennedy,David R. Rosenberg	33
10	Association Studies of Serotonin System Candidate Genes in Early-onset Obsessive-Compulsive Disorder 2007 ·Biological Psychiatry ·Diane E. Dickel,Jeremy Veenstra‐VanderWeele,(unknown),Xiaolin Wu,Daniel Fischer,(unknown),Joseph A. Himle,Bennett Leventhal,Edwin H. Cook,Gregory L. Hanna	65
11	Evidence for a Susceptibility Locus on Chromosome 10p15 in Early-Onset Obsessive-Compulsive Disorder 2007 ·Biological Psychiatry ·Gregory L. Hanna,Jeremy Veenstra‐VanderWeele,Nancy J. Cox,(unknown),Daniel Fischer,Joseph A. Himle,(unknown),Xiaolin Wu,Cheryl Roe,Kathleen Hennessy,Diane E. Dickel,Bennett Leventhal,Edwin H. Cook	48
12	Elevated Thyroid Indices in Children and Adolescents with Obsessive-Compulsive Disorder: Effects of Clomipramine Treatment 2005 ·Journal of Child and Adolescent Psychopharmacology ·James T. McCracken,Gregory L. Hanna	9
13	Familial and sporadic subtypes of early-onset Obsessive-Compulsive disorder 2005 ·Biological Psychiatry ·Gregory L. Hanna,Daniel Fischer,(unknown),Joseph A. Himle,(unknown)	58
14	The Obsessive Compulsive Scale of the Child Behavior Checklist predicts obsessive‐compulsive disorder: a receiver operating characteristic curve analysis 2005 ·Journal of Child Psychology and Psychiatry ·James J. Hudziak,Robert R. Althoff,Catherine Stanger,(unknown),Elliot C. Nelson,Gregory L. Hanna,Dorret I. Boomsma,Richard D. Todd	58
15	Serotonin transporter promoter polymorphism, peripheral indexes of serotonin function, and personality measures in families with alcoholism 2002 ·American Journal of Medical Genetics ·Scott F. Stoltenberg,Geoffrey R. Twitchell,Gregory L. Hanna,Edwin H. Cook,Hiram E. Fitzgerald,Robert A. Zucker,Karley Y. Little	124
16	Genomic organization of the SLC1A1/EAAC1 gene and mutation screening in early-onset obsessive-compulsive disorder 2001 ·Molecular Psychiatry ·Jeremy Veenstra‐VanderWeele,(unknown),D Gonen,Gregory L. Hanna,Bennett Leventhal,Edwin H. Cook	55
17	Aggressive Behavior in Clinically Depressed Adolescents 2000 ·Journal of the American Academy of Child & Adolescent Psychiatry ·Michele Knox,Cheryl A. King,Gregory L. Hanna,Deirdre E. Logan,Neera Ghaziuddin	83
18	Coupling of optimized multiplex PCR and automated capillary electrophoresis for efficient genome-wide searches 1998 ·Jeremy Veenstra‐VanderWeele,Gregory L. Hanna,Bennett Leventhal,Edwin H. Cook	2
19	Trichotillomania and related disorders in children and adolescents 1997 ·Child Psychiatry & Human Development ·Gregory L. Hanna	37
20	Whole Blood Serotonin and Disruptive Behaviors in Juvenile Obsessive-Compulsive Disorder 1995 ·Journal of the American Academy of Child & Adolescent Psychiatry ·Gregory L. Hanna,Arthur Yuwiler,(unknown)	89

About Gregory L. Hanna

Gregory L. Hanna is a scholar working on Clinical Psychology, Cognitive Neuroscience and Psychiatry and Mental health, having authored 105 papers that have together received 4.9k indexed citations. Recurring topics across this work include Obsessive-Compulsive Spectrum Disorders (68 papers), Autism Spectrum Disorder Research (36 papers) and Child and Adolescent Psychosocial and Emotional Development (24 papers). The work is most often cited by research in Clinical Psychology (3.3k citations), Cognitive Neuroscience (2.3k citations) and Experimental and Cognitive Psychology (1.1k citations). Gregory L. Hanna has collaborated with scholars based in United States, Canada and Australia. Frequent co-authors include Eric Hollander, Gerald Nestadt, H. Blair Simpson, Joseph A. Himle, Kate D. Fitzgerald, Edwin H. Cook, Daniel Fischer, Paul Arnold, Dennis P. Cantwell and David R. Rosenberg. Their work appears in journals such as SHILAP Revista de lepidopterología, PLoS ONE and American Journal of Psychiatry.

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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