Author

Jonathan O Ward

University of Colorado Boulder

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Animal Behavior & Cognition· 1 Genetics· 1

Signature Assays, Organisms & Methods

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Organism:rat· 2 Approach:experimental assay· 1 Approach:statistical model· 1

Frequent Co-Authors

Eamonn P. DuffyiD· 2 shared Laura M. SabaiD· 2 shared Luanne H. Hale· 2 shared Marissa A. EhringeriD· 2 shared Ryan K. BachtelliD· 2 shared Andrew J. Kwilasz· 1 shared Caleb I Hodges· 1 shared Cove Andrews· 1 shared

Activity by Year

2024-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 39 mutual co-author links

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2 shared papersAnimal Behavior & Cognition

Eamonn P. DuffyORCID

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2 papers

Recent·Most cited

Genetic Modulation of Oxycodone Self-Administration Trajectories: From Initiation to Escalating Burst Patterns

Caleb I Hodges, Eamonn P. Duffy, Jonathan O Ward, Luanne H. Hale, Cove Andrews, Laura M. Saba, Marissa A. Ehringer, Ryan K. Bachtell

This study identifies strain-dependent genetic influences on oxycodone self-administration patterns in rats, revealing differences in acquisition, escalation, and burst-like responding.

Frontiers in Behavioral Neuroscience · Aug 28, 2026Peer-reviewedAnimal Behavior & Cognition

Sex and genetic background influence intravenous oxycodone self-administration in the Hybrid Rat Diversity Panel

Eamonn P. Duffy, Jonathan O Ward, Luanne H. Hale, Kyle T. Brown, Andrew J. Kwilasz, Erika A. Mehrhoff, Laura M. Saba, Marissa A. Ehringer, Ryan K. Bachtell

This study shows that sex and genetic background affect oxycodone self-administration in rats, with heritability estimates ranging from 0.25 to 0.54.

Frontiers in Psychiatry · Dec 20, 2024Peer-reviewedGenetics