Publications#
uncertainty neuroimaging modelling anxiety mental health ageing learning and choice generalisation
Preprints and recent submissions#
Zika, O. (2025, preprint). Defenses against LLM prompt injections in academic peer review. Preprint
Munteanu-Forij, O. Poetar, C. Zika, O., Predescu, E., Șipoș, R., Dobrean, A., Månsson, K. (2025, submitted). Neuroimaging anxious children and adolescents before and after cognitive behavioral therapy: a systematic review. In submission. neuroimaging mental health
Verra, L., Spitzer, B., Schuck, N. W. * & Zika, O.* (2025, preprint). Increased generalisation in trait anxiety is driven by value transfer, not reduced perceptual discrimination. Preprint anxiety learning and choice generalisation
2025#
Hall-McMaster, S. & Zika, O.* (2025). Increasing response vigour under time pressure as a transdiagnostic marker of eating disorders. Computational Psychiatry, Preprint: accepted on-line version mental health learning and choice
2024#
Bruntsch, M., Cooper, S. E., Abend, R., Boor, M, Chalkia, A., Ehlers, M., Czeszumski, A, Johnson, D., Klingelhöfer-Jens, M., Morriss, J., Mueller, E., Zika, O. and Lonsdorf, T. (2024, preprint). Associations between anxiety-related traits and fear acquisition and extinction - an item-based content and meta-analysis [Stage 1 Registered Report]. https://doi.org/10.31234/osf.io/unx7w anxiety
Koch, C., Zika, O., Bruckner, R. & Schuck, N. W. (2024). Influence of surprise on reinforcement learning in younger and older adults. PLOS Computational Biology on-line version ageing modelling learning and choice
Zika, O., Appel, J., Klinge, C., Shkreli, L., Browning, M., Wiech, K. A. and Reinecke, A. (2024). Reduction of aversive learning rates by Angiotensin II antagonist losartan: a randomised controlled trial. Biological Psychiatry on-line version | PDF |
mental health modelling learning and choice
2023#
Petzka, M., Zika, O., Staresina, B. P., Cairney, S. A. (2023). Better late than never: sleep still supports memory consolidation after prolonged periods of wakefulness. Learning and Memory, 30: 245-249. Published version | PDF |
modelling #sleep #memory
Zika, O. (2023). The relationship between latent state inference and (intolerance of) uncertainty. Neuroscience and Behavioural Reviews Published version | Full free version | PDF |
uncertainty modelling learning and choice
Zika, O., Wiech, K. A., Reinecke, A., Browning, M. and Schuck, N. W. (2023). Trait anxiety is associated with hidden state inference during aversive reversal learning. Nature Communications, accepted version | PDF |
anxiety uncertainty modelling learning and choice
Morriss, J., Abend, R., Zika, O., Bradford, D. E., & Mertens, G. (2023). Neural and psychophysiological markers of intolerance of uncertainty. https://doi.org/10.1016/j.ijpsycho.2023.01.003
uncertainty
Pre 2022#
Gagne, Ch., Zika, O., Dayan, P. and Bishop, S. J. (2020). Impaired adaptation of learning to contingency volatility in internalizing psychopathology. eLife, 9:e61387. https://doi.org/10.7554/eLife.61387
mental health modelling uncertainty learning and choice
Bijsterbosch, J. D., Ansari, T. L., Smith, S., Gauld, O., Zika, O., Boessenkool, S., Browning, M., Reinecke, A. and Bishop, S. J. (2018) Stratification of mdd and gad patients by resting state brain connectivity predicts cognitive bias. NeuroImage: Clinical, 19:425–433. https://doi.org/10.1016/j.nicl.2018.04.033
anxiety neuroimaging
Gao, S., Zika, O., Rogers, R. D. and Thierry, G. (2015). Second language feedback abolishes the hot hand effect during even-probability gambling. Journal of Neuroscience, 35(15):5983–5989. https://www.jneurosci.org/content/35/15/5983
uncertainty learning and choice
McNamee, D., Liljeholm, M., Zika, O. and O’Doherty, J. (2015). Characterizing the associative content of brain structures involved in habitual and goal-directed actions in humans: a multivariate fmri study. Journal of Neuroscience, 35(9):3764–3771. https://www.jneurosci.org/content/35/9/3764
neuroimaging learning and choice
PhD thesis#
Zika, O. (2019). Computational and neural mechanisms of human aversive learning [PhD thesis]. University of Oxford. https://ora.ox.ac.uk/objects/uuid:91254979-d43c-4ecb-8efc-aae5fa26ccd6