RESEARCH

Journal Articles

Nandam, L.S., Hester, R., Wagner, J., Cummins, T.D.R., Garner, K., Dean, A.J., Kim, B.N., Nathan, P.J., Mattingley, J.B., & Bellgrove, M.A. (2011). Methylphenidate but not atomoxetine or citalopram modulates inhibitory control and response time variability. Biological Psychiatry, 69(9), 902-904. doi:10.1016/j.biopsych.2010.11.014

Cummins, T.D., Hawi, Z., Hocking, J., Strudwick, M., Hester, R., Garavan, H., Wagner, J., Chambers, C.D., & Bellgrove, M.A. (2011). Dopamine transporter genotype predicts behavioural and neural measures of response inhibition. Molecular Psychiatry, 17(11), 1086-1092. (Epub ahead of print). doi: 10.1038/mp.2011.104

Hester, R., Nandam, L.S., O’Connell, R.G., Wagner, J., Strudwick, M., Nathan, P.J., Mattingley, J.B., & Bellgrove, M.A. (2012). Neurochemical enhancement of conscious error awareness. Journal of Neuroscience, 32(8), 2619-2627.

Matthews, N., Vance, A., Cummins, T.D.R., Wagner, J., Connolly, A., Yamada, J., Lockhart, P.J., Panwar, A., Wallace, R.H., & Bellgrove, M.A. (2012). The COMT Val158 allele is associated with impaired delayed-match-to-sample performance in ADHD. Behavioral and Brain Functions, 8(1), 25.

Garner, K., Dux, P.E., Wagner, J., Cummins, T.D.R., Chambers, C.D., & Bellgrove, M.A. (2012). Attentional asymmetries in a visual orienting task are related to temperament. Cognition & Emotion, 26(8), 1508-1515. (Epub ahead of print).

Hawi, Z., Matthews, N., Barry, E., Kirley, A., Wagner, J., Wallace, R.H., Heussler, H., Vance, A., Gill, M., & Bellgrove, M.A. (2012). A high density linkage disequilibrium mapping in 14 noradrenergic genes: evidence of association between SLC6A2, ADRA1B and ADHD. Psychopharmacology, 225(4), 895-902, (Epub ahead of print). doi:10.1007/s00213-012-2875-x

Nandam, L., Hester, R., Wagner, J., Dean, A., Messer, C., Honeysett, A., Nathan, P., & Bellgrove, M. Dopamine D2 receptor modulation of human action inhibition and error awareness. Journal of Cognitive Neuroscience, 25(4), 649-656. doi:10.1162/jocn_a_00327

Cummins, T.D.R., Jacoby, O., Hawi, Z., Nandam, L.S. Byrne, M.A.V., Kim, B-N., Wagner, J., Chambers, C.D., & Bellgrove, M.A. (2013). Alpha-2A adrenergic receptor gene variants are associated with increased response time variability. Molecular Psychiatry, 19, 1031-1036. doi:10.1038/mp.2013.140

Hawi, Z., Matthews, N., Wagner, J., Wallace, R.H., Butler, T.J., Vance, A., Kent, L., Gill., M & Bellgrove, M.A. (2013). DNA variation in the SNAP25 gene confers risk to ADHD and is associated with reduced expression in prefrontal cortex. PLoS One, 8(4), e60274.

Newman, D.P., Cummins, T.D.R., Tong, H.S., Johnson, B.P., Pickering, H., Fanning, P., Wagner, J., Goodrich, J.T.T., Hawi, Z., Chambers, C.D. & Bellgrove, M.A. (2014). Dopamine transporter genotype is associated with a lateralized resistance to distraction during attention selection. Journal of Neuroscience, 34(47), 15743 – 15750.

Haslam, C., Wagner, J., Wegener, S. & Malouf, T. (2015). Elaborative encoding through self-generation enhances outcomes with errorless learning: Findings from the Skypekids Memory Study. Neuropsychological Rehabilitation: An International Journal. Advance online publication. doi: 10.1080/09602011.2015.1053947

Biabani, M., Walsh, K., Zhou, S. H., Wagner, J., Johnstone, A., Paterson, J., Johnson, B. P., Matthews, N., Loughnane, G. M., O’Connell, R. G., & Bellgrove, M. A. (2025). Neurophysiology of perceptual decision‑making and its alterations in attention‑deficit hyperactivity disorder. Journal of Neuroscience, 45(14), Article e0469242025. https://doi.org/10.1523/JNEUROSCI.0469‑24.2025

Dissertations

Wagner, J. (2002). Towards the reconstruction of the N-Methyl-D-Aspartate receptor. (Unpublished Biomedical Science Honours dissertation, Griffith University, Brisbane, Australia).

Wagner, J. (2006). Examining the association between orientation-contingent colour aftereffects and correlates of hypnotisability. (Unpublished Postgraduate Diploma in Psychology dissertation, Queensland University of Technology, Brisbane, Australia).

Wagner, J. (2014). Genetic and electrophysiological mechanisms of visuospatial attention bias in attention-deficit hyperactivity disorder. (Unpublished Doctor of Clinical Neuropsychology and Clinical Psychology dissertation, The University of Queensland, Brisbane, Australia).

Abstracts and Conference Presentations

Wagner, J., Matthews, N., Connolly, A., Vance, A., & Bellgrove, M.A. (2010, March). Genetic association between dopamine b-hydroxylase gene variants and spatial working memory in ADHD. Poster presentation and printed abstract at the 20th Annual Rotman Research Institute Conference – The Frontal Lobes, Toronto, Canada.

Cummins, T.D.R., Hocking, J., Wagner, J., Panwar, A., Chambers, C.D., & Bellgrove, M.A. (2010, March). Monoaminergic gene variants modulate fronto-striatal response inhibition networks. Poster and printed abstract at the 20th Annual Rotman Research Institute Conference – The Frontal Lobes, Toronto, Canada.

Nandam, L.S., Hester, R., Wagner, J., Cummins, T., Nathan, P.J., Mattingley, J.B., & Bellgrove, M. (2010, March). Dopamine acts as the brake for human inhibitory control. Poster and printed abstract at the 20th Annual Rotman Research Institute Conference – The Frontal Lobes, Toronto, Canada.

Hester, R., Nandam, L.S., Wagner, J., Nathan, P.J., Mattingley, J.B., & Bellgrove, M. (2010, March). Improvement of error awareness and modulation of error-related BOLD activity via single-dose dopamine (methylphenidate) in healthy adults. Poster and printed abstract at the 20th Annual Rotman Research Institute Conference – The Frontal Lobes, Toronto, Canada.

Matthews, N., Nandam, L.S., Wagner, J., Hester, R.L., & Bellgrove, M. (2010, March). Methylphenidate alters behavioural and neural measures of response time variability. Poster and printed abstract at the 20th Annual Rotman Research Institute Conference – The Frontal Lobes, Toronto, Canada.

Cummins, T.D.R., Hawi, Z., Hocking, J., Strudwick, M., Wagner, J., Hester, R., Chambers, C.D., Garavan, H., & Bellgrove, M.A. (2011, April). Dopamine transporter genotype predicts behavioural and neural measures of response inhibition. Poster and printed abstract at the Cognitive Neuroscience Society – 18th Annual Meeting, San Francisco, USA.

Matthews, N., Garner, K., Wagner, J., Collier-Baker, E., Vance. A., & Bellgrove, M.A. (2011, April). Task switching in ADHD: Relationship to working memory ability, inhibitory control and error processing. Poster and printed abstract at the Cognitive Neuroscience Society – 18th Annual Meeting, San Francisco, USA.

Wagner, J., Matthews, N., Connolly, A., Vance, A., & Bellgrove, M.A. (2011, September). Genetic association between dopamine b-hydroxylase gene variants and spatial working memory in ADHD. Poster presentation at the 1st Systems Neuroscience Symposium, Queensland Brain Institute and Munich Centre for Neurosciences, University of Queensland, Brisbane, Australia.

Cummins, T.D.R., Hawi, Z., Hocking, J., Strudwick, M., Wagner, J., Hester, R., Chambers, C.D., Garavan, H., & Bellgrove, M.A. (2011, September). Dopamine transporter genotype predicts behavioural and neural measures of response inhibition. Poster at the 1st Systems Neuroscience Symposium, Queensland Brain Institute and Munich Centre for Neurosciences, University of Queensland, Brisbane, Australia.

Hawi, Z., Matthews, N., Wagner, J., Kent, L., Gill, M., Vance, A., & Bellgrove, M.A. (2011, November). Multi marker and haplotype analyses of SNAP-25 gene in ADHD: Association with the markers rs6108461 and rs362990. Poster and printed abstract at the Biological Psychiatry Australia Conference, Melbourne, Australia.

Wagner J., Newman D., Loughnane, G., Kelly, S., O'Connell, R. & Bellgrove, M. (2015). Visuospatial attention bias is related to ADHD symptomology: A behavioural and electrophysiological analysis. Frontiers in Human Neuroscience. Conference Abstract: XII International Conference on Cognitive Neuroscience (ICON-XII). doi: 10.3389/conf.fnhum.2015.217.00373

Bellgrove M, Newman D, Cummins T, Tong J, Johnson B, Wagner J, Goodrich J, Hawi Z and Chambers C (2015). Genetically mediated resistance to distraction: Influence of dopamine transporter genotype on attentional selection. Frontiers in Human Neuroscience. Conference Abstract: XII International Conference on Cognitive Neuroscience (ICON-XII). doi: 10.3389/conf.fnhum.2015.217.00013