Susceptibility-matched padding improves the quality of cervical and lumbar spinal fMRI
Kowalczyk, O.S., Howard, M.A., & Lythgoe, D.J.
Magnetic Resonance Imaging, 2026 DOI
Cuff algometry induces large yet variable conditioned pain modulation effects
Taylor, J.L., Lawn, T., Kowalczyk, O.S., Graven-Nielsen, T., Howard, M.A., & Bannister, K.
Pain Reports, 2026 DOI
Test-retest reliability of sensorimotor activity measured with spinal cord fMRI
Kowalczyk, O.S., Medina, S., Venezia, A., Tsivaka, D., Ahmed, A.I., Williams, S.C.R., Brooks, J.C.W., Lythgoe, D.J., & Howard, M.A.
bioRxiv, 2025 DOI
SPM 25: open source neuroimaging analysis software
Tierney, T.M., Alexander, N.A., Ashburner, J., Avila, N.L., Balbastre, Y., Barnes, G., ..., Kowalczyk, O.S., ..., & Zeidman, P.
Journal of Open Source Software, 2025 DOI
SPM — 30 years and beyond
Zeidman, P., Ashburner, J., Barnes, G., Kowalczyk, O.S., Lambert, C., Litvak, V., Nichols, T.E., Parr, T., Tierney, T.M., & Friston, K.
Cerebral Cortex, 2025 DOI
Differential effects of a single dose of lisdexamfetamine and guanfacine on cognitive function in children with ADHD
El Masri, S., Kowalczyk, O.S., Chiu, T.H., Criaud, M., Lukito, S., Mazibuko, N., ..., & Rubia, K.
Frontiers in Psychiatry, 2025 DOI
EPISeg: Automated segmentation of the spinal cord on echo planar images using open-access multi-center data
Banerjee, R., Kaptan, M., Tinnermann, A., Khatibi, A., Dabbagh, A., Büchel, C., ..., Kowalczyk, O.S., ..., & Cohen-Adad, J.
Imaging Neuroscience, 2025 DOI
The individual and situational factors predicting unethical behaviour in the workplace: a direct and conceptual replication of Jones & Kavanagh (1996)
Evans, T.R., Bartlett, J.E., Gourdon-Kanhukamwe, A., Allen, T., ..., Kowalczyk, O.S., ..., & Burns, C.
Comprehensive Results in Social Psychology, 2025 DOI
Effects of fMRI neurofeedback of right inferior frontal cortex on inhibitory brain activation in children with ADHD
Lukito, S., Lam, S.-L., Criaud, M., Westwood, S., Kowalczyk, O.S., Curran, S., ..., & Rubia, K.
Philosophical Transactions of the Royal Society B: Biological Sciences, 2024 DOI
Spinal fMRI demonstrates segmental organisation of functionally connected networks in the cervical spinal cord: A test–retest reliability study
Kowalczyk, O.S., Medina, S., Tsivaka, D., McMahon, S.B., Williams, S.C.R., Brooks, J.C.W., Lythgoe, D.J., & Howard, M.A.
Human Brain Mapping, 2024 DOI
Automatic segmentation of the spinal cord nerve rootlets
Valošek, J., Mathieu, T., Schlienger, R., Kowalczyk, O.S., & Cohen-Adad, J.
Imaging Neuroscience, 2024 DOI
Single-dose effects of methylphenidate and atomoxetine on functional connectivity during an n-back task in boys with ADHD
Kowalczyk, O.S., Cubillo, A.I., Criaud, M., Giampietro, V., O'Daly, O.G., Mehta, M.A., & Rubia, K.
Psychopharmacology, 2023 DOI
Harnessing the power of endogenous pain control mechanisms for novel therapeutics: how might innovations in neuroimaging help?
Howard, M.A., Lawn, T., & Kowalczyk, O.S.
Current Opinion in Supportive and Palliative Care, 2023 DOI
A second-order and slice-specific linear shimming technique to improve spinal cord fMRI
Tsivaka, D., Williams, S.C.R., Medina, S., Kowalczyk, O.S., Brooks, J.C.W., Howard, M.A., Lythgoe, D.J., & Tsougos, I.
Magnetic Resonance Imaging, 2023 DOI
Task-based functional connectivity in attention-deficit/hyperactivity disorder: a systematic review
Kowalczyk, O.S., Mehta, M.A., O'Daly, O.G., & Criaud, M.
Biological Psychiatry Global Open Science, 2022 DOI
Double-blind, sham-controlled randomized trial testing the efficacy of fMRI neurofeedback on clinical and cognitive measures in children with ADHD
Lam, S.-L., Criaud, M., Lukito, S., Westwood, S.J., Agbedjro, D., Kowalczyk, O.S., ..., & Rubia, K.
American Journal of Psychiatry, 2022 DOI
The effect of transcranial direct current stimulation (tDCS) combined with cognitive training on EEG spectral power in adolescent boys with ADHD: A double-blind, randomized, sham-controlled trial
Westwood, S.J., Bozhilova, N., Criaud, M., Lam, S.-L., Lukito, S., Wallace-Hanlon, S., Kowalczyk, O.S., ..., & Rubia, K.
IBRO Neuroscience Reports, 2022 DOI
What senior academics can do to support reproducible and open research: a short, three-step guide
Kowalczyk, O.S., Lautarescu, A., Blok, E., Dall'Aglio, L., & Westwood, S.J.
BMC Research Notes, 2022 DOI
Neurocognitive correlates of working memory and emotional processing in postpartum psychosis: an fMRI study
Kowalczyk, O.S., Pauls, A.M., Fusté, M., Williams, S.C.R., Hazelgrove, K., Vecchio, C., Seneviratne, G., Pariante, C.M., Dazzan, P., & Mehta, M.A.
Psychological Medicine, 2021 DOI
Transcranial direct current stimulation (tDCS) combined with cognitive training in adolescent boys with ADHD: a double-blind, randomised, sham-controlled trial
Westwood, S.J., Criaud, M., Lam, S.-L., Lukito, S., Wallace-Hanlon, S., Kowalczyk, O.S., ..., & Rubia, K.
Psychological Medicine, 2021 DOI
Methylphenidate and atomoxetine normalise fronto-parietal underactivation during sustained attention in ADHD adolescents
Kowalczyk, O.S., Cubillo, A.I., Smith, A., Barrett, N., Giampietro, V., Brammer, M., Simmons, A., & Rubia, K.
European Neuropsychopharmacology, 2019 DOI
Dissociable effects of cannabis with and without cannabidiol on the human brain's resting-state functional connectivity
Wall, M.B., Pope, R., Freeman, T.P., Kowalczyk, O.S., Demetriou, L., Mokrysz, C., ..., & Curran, H.V.
Journal of Psychopharmacology, 2019 DOI
A comprehensive evaluation of increasing temporal resolution with multiband-accelerated protocols and effects on statistical outcome measures in fMRI
Demetriou, L., Kowalczyk, O.S., Tyson, G., Bello, T., Newbould, R.D., & Wall, M.B.
NeuroImage, 2018 DOI
Investigating the neural correlates of smoking: feasibility and results of combining electronic cigarettes with fMRI
Wall, M.B., Mentink, A., Lyons, G., Kowalczyk, O.S., Demetriou, L., & Newbould, R.D.
Scientific Reports, 2017 DOI