Pinggal E, Dockree PM, O’Connell RG, Bellgrove MA, Andrillon T. (2022). Pharmacological Manipulations of Physiological Arousal and Sleep-Like Slow Waves Modulate Sustained Attention. Journal of Neuroscience. link


Stefanac NR, Zhou S-H, Spencer-Smith MM, O’Connell RG, & Bellgrove MA. (2021). A neural index of inefficient evidence accumulation in dyslexia underlying slow perceptual decision making. Cortex. link

Seow TXF, Benoit E, Dempsey C, Jennings M, Maxwell A, O’Connell RG, & Gillan CM. (2021). Model-based planning deficits in compulsivity are linked to faulty neural representations of task structure. The Journal of Neuroscience. link

O’Connell RG & Kelly SP. (2021). Neurophysiology of human perceptual decision-making. Annual Review of Neuroscience. link

Zhou S-H, Loughnane G, O’Connell R, Bellgrove MA, & Chong TT-J. (2021). Distractors selectively modulate electrophysiological markers of perceptual decisions. Journal of Cognitive Neuroscience. link

Brosnan MB., Dockree PM, Harty S, Pearce DJ, Levenstein JM, Gillebert CR, Bellgrove MA, O’Connell RG, Robertson IH, Demeyere N. (2021). Lost in time: Temporal monitoring elicits clinical decrements in sustained attention post-stroke. Journal of the International Neuropsychological Society. link


Kelly C, & O’Connell RG. (2020). Can neuroscience change the way we view morality? Neuron. link to paper. link to YouTube discussion of paper.

Kelly SP, Corbett EA, O’Connell RG (2020). Neurocomputational mechanisms of prior-informed perceptual decision-making in humans. Nature Human Behaviour. link

Corbett EA, & Smith PL. (2020). A diffusion model analysis of target detection in near-threshold visual search. Cognitive Psychology. link

Smith PL, Saber S, Corbett EA, & Lilburn SD. (2020). Modeling continuous outcome color decisions with the circular diffusion model: Metric and categorical properties. Psychological Review. link

Brosnan MB, Sabaroedin K, Silk T, Genc S, Newman DP, Loughnane GM, Fornito A, O’Connell RG, Bellgrove MA (2020). Evidence accumulation during perceptual decisions in humans varies as a function of dorsal frontoparietal organization. Nature Human Behaviour. link

Walsh KS, McGovern DP, Clark A, O’Connell RG. (2020). Evaluating the neurophysiological evidence for predictive processing as a model of perception. Annals of the New York Academy of Sciences. link

Sim J, Brown FL, O’Connell RG, Hester R. (2020). Impaired error awareness in healthy older adults: an age group comparison study. Neurobiology of Aging. link


Farina FR., Pragulbickaitė G, Bennett M, Judd C, Walsh K, Mitchell S, O’Connell RG, Whelan, R. (2020). Contralateral delay activity is not a robust marker of cognitive function in older adults at risk of mild cognitive impairment. European Journal of Neuroscience. link

Devine CA, Gaffney C, Loughnane GM, Kelly SP, O’Connell RG. (2019). The role of premature evidence accumulation in making difficult perceptual decisions under temporal uncertainty. eLife, e48526. link

Loughnane GM, Brosnan MB, Barnes JJM, Dean A, Nandam SL, O’Connell RG, Bellgrove MA. (2019). Catecholamine Modulation of Evidence Accumulation during Perceptual Decision Formation: A Randomized Trial. Journal of Cognitive Neuroscience. 1-10. link

van Kempen J, Loughnane GM, Newman DP, Kelly SP, Thiele A, O’Connell RG, Bellgrove MA. (2019). Behavioural and neural signatures of perceptual decision-making are modulated by pupil-linked arousal. eLife. 8. pii: e42541. link


Smith, P. L. & Corbett, E. A. (2018). Speeded multielement decision-making as diffusion in a hypersphere: Theory and application to double-target detection. Psychonomic Bulletin & Review. link

Smith, P. L., Corbett, E. A., Lilburn, S. D., & Kyllingsbæk, S. (2018). The power law of visual working memory characterizes attention engagement. Psychological Review. 125-3, 435. link

Walsh, K. S., & McGovern, D. P. (2018). Expectation suppression dampens sensory representations of predicted stimuli. Journal of Neuroscience, 38(50), 10592-10594. link

McGovern, D. P., Hayes, A., Kelly, S. P., & O’Connell, R. G. (2018). Reconciling age-related changes in behavioural and neural indices of human perceptual decision-making. Nature Human Behaviour, 1. link

Steinemann, N. A., O’Connell, R. G., & Kelly, S. P. (2018). Decisions are expedited through multiple neural adjustments spanning the sensorimotor hierarchy. Nature communications, 9(1), 3627. link

O’Connell, R.G., Shadlen, M.N., Wong-Lin, K., & Kelly, S.P. (2018). Bridging Neural and Computational Viewpoints on Perceptual Decision-Making. Trends in neurosciences. link

Loughnane, G. M., Newman, D. P., Tamang, S., Kelly, S. P., & O’Connell, R. G. (2018). Antagonistic interactions between microsaccades and evidence accumulation processes during decision formation. Journal of Neuroscience, 38(9), 2163-2176. link

Dully, J., McGovern, D. P., & O’Connell, R. G. (2018). The Impact of Natural Aging on Computational and Neural Indices of Perceptual Decision Making: A Review. Behavioural brain research. link

O’Connell, R. G., & Murphy, P. R. (2018). U-turns in the brain. Nature neuroscience, 21(4), 461. link

Melnychuk, M.C., Dockree, P.M., O’Connell, R.G., Murphy, P.R., Balsters, J.H., & Robertson, I.H. (2018). Coupling of respiration and attention via the locus coeruleus: Effects of meditation and pranayama. Psychophysiology, e13091. link


Bellgrove, M. A. B., Laube, I., Matthews, N. L., Dean, A. J., O’Connell, R. G., & Mattingley, J. B. (2017). Scopolamine reduces electrophysiological indices of distractor suppression: evidence from a contingent capture task. Frontiers in neural circuits, 11, 99. link

Harty S., Murphy P.R., Robertson I.H., O’Connell R.G. (2017). Parsing the neural signatures of reduced error detection in older age. Neuroimage, 161, 43-55. link

Newman, D. P., Loughnane, G. M., Kelly, S. P., O’Connell, R. G., & Bellgrove, M. A. (2017). Visuospatial asymmetries arise from differences in the onset time of perceptual evidence accumulation. Journal of Neuroscience, 37(12), 3378-3385. link

Dockree, P.M., Barnes, J.J., Matthews, N., Dean, A.J., Abe, R., Nandam, L.S., Kelly, S.P., Bellgrove, M.A., & O’Connell, R.G. (2017). The Effects of Methylphenidate on the Neural Signatures of Sustained Attention.  Biol Psychiatry. link


Twomey, D.M., Kelly, S.P. & O’Connell, R.G. (2016). Abstract and Effector-Selective Decision Signals Exhibit Qualitatively Distinct Dynamics before Delayed Perceptual Reports. Journal of Neuroscience, 36(28): 7346-7352. link

Newman, D.P., Lockley, S.W. Loughnane, G.M., Martins, A.C.P., Abe, R., Zoratti, M.T.R., Kelly, S.P., O’Neill, M.H., Rajaratnam, S.M.W., O’Connell R.G. & Bellgrove, M.A. (2016). Ocular exposure to blue-enriched light has an asymmetric influence on neural activity and spatial attention. Scientific Reports, 6. link

Loughnane, G.M., Newman, D.P., Bellgrove, M.A., Lalor, E.C., Kelly, S.P. & O’Connell, R.G. (2016). Target selection signals influence perceptual decisions by modulating the onset and rate of evidence accumulation. Current Biology (In press). link


Murphy, P.R., Robertson, I.H., Harty, S., & O’Connell R.G. (2015). Neural evidence accumulation persists after choice to inform metacognitive judgments. eLife, e11946. link

Dockree, P.M., Brennan, S., O’Sullivan, M., Robertson, I.H., & O’Connell, R.G. (2015). Characterising neural signatures of successful aging: Electrophysiological correlates of preserved episodic memory in older age. Brain and cognition 97, 40-50. link

Kelly, S.P. & O’Connell, R.G. (2015). The neural processes underlying perceptual decision making in humans: recent progress and future directions. Journal of Physiology-Paris 109(1), 27-37. link

Twomey, D.M., Murphy, P.R., Kelly, S.P., & O’Connell, R.G. (2015). The classic P300 encodes a build‐to‐threshold decision variable. European Journal of Neuroscience 42, 1636-1643. pdf

Loughnane, G.M., Shanley, J.P., Lalor, E.C., & O’Connell, R.G. (2015). Behavioral and electrophysiological evidence of opposing lateral visuospatial asymmetries in the upper and lower visual fields. Cortex 63, 220-231. link

Lacey, E.A., O’Connell, R.G., O’Mara, S.M., & Dockree, P.M. (2015). Investigating the effects of mild induced hypothermia on cognition using a measure of sustained attention. The Open Access Journal of Science and Technology, 3. pdf

Ortiz, N., Parsons, A., Whelan, R., Brennan, K., Agan, M.L.F., O’Connell, R.G., Bramham, J., & Garavan, H. (2015). Decreased frontal, striatal and cerebellar activation in adults with ADHD during an adaptive delay discounting task. Acta Neurobiol Exp 75, 326-338. pdf

Salomone, S., Fleming, G.R., Shanahan, J.M., Castorina, M., Bramham, J., O’Connell, R.G., & Robertson, I.H. (2015). The effects of a self-alert training (SAT) program in adults with ADHD, Frontiers in Human Neuroscience 9(45). pdf


Dockree, P.M., O’Connell, R.G., & Robertson, I.H (2014). Connecting clinical and experimental investigations of awareness in traumatic brain injury. Handbook of clinical neurology 128, 511-524. link

Newman, D.P., Loughnane, G.M., Abe, R., Zoratti, M.T.R., Martins, A.C.P., van den Bogert, P.C., Kelly, S.P., O’Connell, R.G., & Bellgrove, M.A. (2014). Differential shift in spatial bias over time depends on observers׳ initial bias: Observer subtypes, or regression to the mean? Neuropsychologia 64, 33-40. link

Murphy P.R., O’Connell, R.G., O’Sullivan, M., Robertson, I.H., & Balsters, J.H. (2014). Pupil diameter covaries with BOLD activity in human locus coeruleus. Human brain mapping 35(8), 4140-4154. link

Harty, S., Robertson, I. H., Miniussi, C., Sheehy, O. C., Devine, C. A., McCreery, S., & O’Connell, R.G. (2014). Transcranial direct current stimulation over right dorsolateral prefrontal cortex enhances error awareness in older age. The Journal of Neuroscience, 34(10), 3646 – 3652. link

Barnes, J.J., O’Connell, R.G., Nandam, L.S., Dean, A.J., & Bellgrove, M.A. (2014). Monoaminergic modulation of behavioural and electrophysiological indices of error processing. Psychopharmacology 231(2), 379-92. link


***Kelly, S. P. & O’Connell, R.G. (2013). Internal and External Influences on the Rate of Sensory Evidence Accumulation in the Human Brain. Journal of Neuroscience 33(50), 19434-19441. link

Harty, S., O’Connell, R.G., Hester, R. & Robertson, I.H. (2013). Older Adults Have Diminished Awareness of Errors in the Laboratory and Daily Life. Psychology and Aging 8(4), 1032-41. link

Balsters, J.H., O’Connell, R.G., Galli, A., Nolan, H., Greco, E., Kilcullen, S.M., Bokde, A.L.W., Upton, N, Lai, R.K., & Robertson, I.H. (2013). Changes in resting connectivity with age: A simultaneous EEG/fMRI investigation. Neurobiology of Aging 34(9), 2194-207. link

***Newman D.P., O’Connell R.G. & Bellgrove M.A. (2013). Linking time-on-task, spatial bias and hemispheric activation asymmetry: a neural correlate of rightward attention drift. Neuropsychologia. 51(7):1215-23. link


***O’Connell, R.G., Dockree, P.M. & Kelly, S.P. (2012). A supramodal accumulation-to-bound signal that determines perceptual decisions in humans. Nature Neuroscience 15(12), 1729-35. link

***Newman, D.P., O’Connell, R.G., Nathan, P.J. & Bellgrove, M.A. (2012). Dopamine transporter genotype predicts attentional asymmetry in healthy adults. Neuropsychologia 50(12), 2823-2829. link

Murphy, P.M., Robertson, I.H., Allen, D., Hester, R. & O’Connell, R.G. (2012). An electrophysiological signal that precisely tracks the emergence of error awareness. Frontiers in Human Neuroscience 6link

O’Connell, R.G., Balsters, J.H., Kilcullen, S.M., Campbell, W., Bokde, A.W., Lai, R., Upton, N. & Robertson, I.H. (2012). A simultaneous ERP/fMRI investigation of the P300 aging effect. Neurobiology of Aging 33(10), 2448-61. link

Salomone, S., Shanahan, J.M., Bramham, J., O’Connell, R.G., & Robertson, I.H. (2012). A biofeedback-based programme to improve attention and impulsivity in adults with ADHD. The Irish Journal of Psychology 33(2-3), 86-93. link

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. link

Cassidy, S., Robertson, I.H. & O’Connell, R.G. (2012). Retest Reliability of Event-Related Potentials: Evidence from a variety of paradigms. Psychophysiology 49(5), 659-64. link


Balsters, J.H., O’Connell, R.G., Martin, M.P., Galli, A., Cassidy, S.M., Kilcullen, S.M., Delmonte, S., Brennan, S., Meaney, J.F., Fagan, A.J., Bokde, A.L., Upton, N., Lai, R., Laruelle, M., Lawlor, B., & Robertson, I.H. (2011). Donepezil impairs memory in healthy older subjects: behavioural, EEG and simultaneous EEG/fMRI biomarkers. PLOS One 6(9), e24126. link

Murphy, P.R., Robertson, I.H., Balsters, J.H., & O’Connell, R.G. (2011). Pupillometry and P3 index the locus coeruleus-noradrenergic arousal function in humans. Psychophysiology 48(11): 1532-43. pdf

Barnes, J. J., Dean, A. J., Nandam, L. S., O’Connell, R.G., & Bellgrove, M.A. (2011). The molecular genetics of executive function: role of monoamine system genes. Biological Psychiatry 69(12), 127-143. link

Finnigan S., O’Connell R.G., Cummins T.D., Broughton M. & Robertson I.H. (2011). ERP measures indicate both attention and working memory encoding decrements in aging. Psychophysiology, 48(5):601-11. link

***O’Connell, R.G., Schneider, D., Hester, R., Mattingley, J. B., & Bellgrove, M. A. (2011). Attentional load asymmetrically affects early electrophysiological indices of visual orienting. Cerebral Cortex 21(5), 1056-1065. link


O’Connell, R.G., Dockree, P. M., Robertson, I. H., Bellgrove, M. A., Foxe, J. J., & Kelly, S. P. (2009). Uncovering the Neural Signature of Lapsing Attention: Electrophysiological signals predict errors up to 20 s before they occur. Journal of Neuroscience 29(26), 8604-8611. link

O’Connell, R.G., Bellgrove, M. A., Dockree, P. M., Lau, A., Hester, R….& Robertson, I. H. (2009). The neural correlates of deficient error awareness in attention-deficit hyperactivity disorder (ADHD). Neuropsychologia 47(4), 1149-1159. link

O’Connell, R.G., Dockree, P. M., Bellgrove, M.A., Turin, A., Ward, S., Foxe, J.J., & Robertson, I.H. (2009). Two Types of Action Error: Electrophysiological Evidence for Separable Inhibitory and Sustained Attention Neural Mechanisms Producing Error on Go/No-go Tasks. Journal of Cognitive Neuroscience 21(1), 93-104. link


O’Connell, R.G., Bellgrove, M. A., Dockree, P. M., Lau, A., Fitzgerald, M., & Robertson, I. H. (2008). Self-Alert Training: Volitional modulation of autonomic arousal improves sustained attention. Neuropsychologia 46(5), 1379-1390. link

Bellgrove, M.A., O’Connell, R.G. & Vance, A. (2008). Genetics of cognitive deficits in ADHD: clues for novel treatment methods. Expert Rev Neurother. 8(4), 553-61. link

2007 – 2004

Shalgi, S., O’Connell, R.G., Deouell, L.Y., & Robertson, I.H. (2007). Absent Minded but Accurate: delaying responses increases accuracy but decreases error awareness. Experimental Brain Research 182(1), 119-124. link

O’Connell, R.G., Dockree, P., Bellgrove, M.A., Kelly, S.P., Hester, R., Garavan, H., Robertson, I.H. & Foxe, J. J. (2007). The role of Cingulate Cortex in the detection of errors with and without awareness: a high-density electrical mapping study. European Journal of Neuroscience 25(8), 2571-2579. link

O’Connell, R.G., Bellgrove, M.A., Dockree, P., & Robertson, I.H. (2006). Cognitive remediation in ADHD – effects of periodic non-contingent alerts on sustained attention to response. Neuropsychological Rehabilitation 16(6), 653-665. link

O’Connell, R.G., Bellgrove, M.A., Dockree, P., & Robertson, I.H. (2004). Reduced electrodermal response to errors predicts poor sustained attention performance in Attention Deficit Hyperactivity Disorder. NeuroReport 15(16), 2535-2538. link

Scholarly Book Chapters

O’Connell, R.G. & Robertson, I.H. (2012). Training the brain: Non-pharmacological approaches to stimulating cognitive plasticity. In M.I. Posner (Ed), Cognitive Neuroscience of Attention. New York: Guildford

Robertson, I.H. & O’Connell, R.G. (2010). Vigilant Attention. In A.C. Nobre & J.T. Coull, Attention and Time. Oxford: Oxford University Press.

O’Connell, R.G., Bellgrove, M.A., & Robertson, I.H. (2007). Avenues for Neuro-remediation of ADHD: Lessons from clinical neurosciences. Handbook of ADHD. (M. Gill, M. Fitzgerald, M.A. Bellgrove Eds)