Brad Verhulst

3.0k total citations · 1 hit paper
64 papers, 1.7k citations indexed

About

Brad Verhulst is a scholar working on Experimental and Cognitive Psychology, Genetics and Clinical Psychology. According to data from OpenAlex, Brad Verhulst has authored 64 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 25 papers in Experimental and Cognitive Psychology, 24 papers in Genetics and 20 papers in Clinical Psychology. Recurrent topics in Brad Verhulst's work include Genetic Associations and Epidemiology (21 papers), Child and Adolescent Psychosocial and Emotional Development (14 papers) and Cognitive Abilities and Testing (13 papers). Brad Verhulst is often cited by papers focused on Genetic Associations and Epidemiology (21 papers), Child and Adolescent Psychosocial and Emotional Development (14 papers) and Cognitive Abilities and Testing (13 papers). Brad Verhulst collaborates with scholars based in United States, Australia and Netherlands. Brad Verhulst's co-authors include Michael C. Neale, Kenneth S. Kendler, Peter Hatemi, Lindon J. Eaves, Nicholas G. Martin, Lindsey Clark Levitan, Milton Lodge, Howard Lavine, Sarah E. Medland and Roxann Roberson‐Nay and has published in prestigious journals such as Nature Communications, PLoS ONE and Journal of the American Academy of Child & Adolescent Psychiatry.

In The Last Decade

Brad Verhulst

61 papers receiving 1.7k 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.

The heritability of alcohol use disorders: a meta-analysis of twin and adoption studies

2014 409 citations Brad Verhulst, Michael C. Neale et al. profile →

Peers

Brad Verhulst

SPS

ECP

GENET

EPIDE

Gary Adamson United Kingdom

Stéphane Rothen Switzerland

Anthony Walsh United States

Julie Maslowsky United States

Sophie von Stumm United Kingdom

R Jardine Australia

Yanjie Yang China

Nicole Harlaar United States

Daniel Rodriguez United States

Eva Krapohl United Kingdom

Gary Adamson United Kingdom

Brad Verhulst

273 ×0.6

SPS

1.2k ×2.7

251 ×0.6

ECP

72 ×0.2

GENET

233 ×0.9

EPIDE

Citations per year, relative to Brad Verhulst Brad Verhulst (= 1×) peers Gary Adamson

Countries citing papers authored by Brad Verhulst

Since Specialization

Citations

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

Fields of papers citing papers by Brad Verhulst

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Brad Verhulst. 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 Brad Verhulst. The network helps show where Brad Verhulst may publish in the future.

Co-authorship network of co-authors of Brad Verhulst

This figure shows the co-authorship network connecting the top 25 collaborators of Brad Verhulst. A scholar is included among the top collaborators of Brad Verhulst 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 Brad Verhulst. Brad Verhulst 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

Dolan, Conor V., Jouke‐Jan Hottenga, René Pool, et al.. (2025). Unidirectional and bidirectional causation between smoking and blood DNA methylation: evidence from twin-based Mendelian randomisation. European Journal of Epidemiology. 40(1). 55–69.

Verhulst, Brad, Yi Zhou, Luís Fernando Silva Castro-de-Araujo, et al.. (2024). Using Instrumental Variables to Measure Causation over Time in Cross-Lagged Panel Models. Multivariate Behavioral Research. 59(2). 342–370. 3 indexed citations

Cai, Na, Brad Verhulst, Ole A. Andreassen, et al.. (2024). Assessment and ascertainment in psychiatric molecular genetics: challenges and opportunities for cross-disorder research. Molecular Psychiatry. 30(4). 1627–1638. 4 indexed citations

Madrid‐Valero, Juan J., Brad Verhulst, José A López-López, & Juan R. Ordoñana. (2024). Calculating Within-Pair Difference Scores in the Co-twin Control Design. Effects of Alternative Strategies. Behavior Genetics. 54(5). 426–435. 1 indexed citations

Weaver, Katherine, et al.. (2024). Using Alternative Definitions of Controls to Increase Statistical Power in GWAS. Behavior Genetics. 54(4). 353–366.

Verhulst, Brad, et al.. (2023). Toward the Next Generation of Precision Medicine. Policy Insights from the Behavioral and Brain Sciences. 10(2). 256–263. 1 indexed citations

Castro-de-Araujo, Luís Fernando Silva, et al.. (2022). MR-DoC2: Bidirectional Causal Modeling with Instrumental Variables and Data from Relatives. Behavior Genetics. 53(1). 63–73. 10 indexed citations

Verhulst, Brad & Michael C. Neale. (2021). Best Practices for Binary and Ordinal Data Analyses. Behavior Genetics. 51(3). 204–214. 41 indexed citations

Verhulst, Brad, Shaunna L. Clark, Jingchun Chen, et al.. (2021). Clarifying the Genetic Influences on Nicotine Dependence and Quantity of Use in Cigarette Smokers. Behavior Genetics. 51(4). 375–384. 2 indexed citations

10.

Bourdon, Jessica L., Jeanne E. Savage, Brad Verhulst, et al.. (2019). The Genetic and Environmental Relationship Between Childhood Behavioral Inhibition and Preadolescent Anxiety. Twin Research and Human Genetics. 22(1). 48–55. 10 indexed citations

11.

Whitfield, John B., Mengzhen Liu, Sarah E. Medland, et al.. (2019). Associations between polygenic risk for tobacco and alcohol use and liability to tobacco and alcohol use, and psychiatric disorders in an independent sample of 13,999 Australian adults. Drug and Alcohol Dependence. 205. 107704–107704. 14 indexed citations

12.

Verhulst, Brad, Michael C. Neale, Lindon J. Eaves, et al.. (2018). Extended Twin Study of Alcohol Use in Virginia and Australia. Twin Research and Human Genetics. 21(3). 163–178. 4 indexed citations

13.

Rappaport, Lance M., Dever M. Carney, Brad Verhulst, et al.. (2018). A Developmental Twin Study of Emotion Recognition and Its Negative Affective Clinical Correlates. Journal of the American Academy of Child & Adolescent Psychiatry. 57(12). 925–933.e3. 18 indexed citations

14.

Bornovalova, Marina A., Brad Verhulst, Heather E. Webber, et al.. (2017). Genetic and environmental influences on the codevelopment among borderline personality disorder traits, major depression symptoms, and substance use disorder symptoms from adolescence to young adulthood. Development and Psychopathology. 30(1). 49–65. 22 indexed citations

15.

Moscati, Arden, et al.. (2017). Cross-Lagged Analysis of Interplay Between Differential Traits in Sibling Pairs: Validation and Application to Parenting Behavior and ADHD Symptomatology. Behavior Genetics. 48(1). 22–33. 8 indexed citations

16.

Long, Elizabeth C., Brad Verhulst, Steven H. Aggen, Kenneth S. Kendler, & Nathan A. Gillespie. (2017). Contributions of Genes and Environment to Developmental Change in Alcohol Use. Behavior Genetics. 47(5). 498–506. 13 indexed citations

17.

Rappaport, Lance M., Brad Verhulst, Dever M. Carney, et al.. (2017). Test–retest reliability of the facial expression labeling task.. Psychological Assessment. 29(12). 1537–1542. 18 indexed citations

18.

Verhulst, Brad & Michael C. Neale. (2016). Minor Allele Frequency Changes the Nature of Genotype by Environment Interactions. Behavior Genetics. 46(5). 726–733. 4 indexed citations

19.

Hatemi, Peter & Brad Verhulst. (2015). Political Attitudes Develop Independently of Personality Traits. PLoS ONE. 10(3). e0118106–e0118106. 44 indexed citations

20.

Verhulst, Brad, Lindon J. Eaves, & Peter Hatemi. (2011). Correlation not Causation: The Relationship between Personality Traits and Political Ideologies. American Journal of Political Science. 56(1). 34–51. 147 indexed citations

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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