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Journal Article

Cortical plasticity elicited by acoustically cued monetary losses: An ERP study


Nikulin,  Vadim V.
Institute of Cognitive Neuroscience, National Research University Higher School of Economics, Moscow, Russia;
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Gorin, A., Krugliakova, E., Nikulin, V. V., Kuznetsova, A., Moiseeva, V., Klucharev, V., et al. (2020). Cortical plasticity elicited by acoustically cued monetary losses: An ERP study. Scientific Reports, 10: 21161. doi:10.1038/s41598-020-78211-7.

Cite as: http://hdl.handle.net/21.11116/0000-0007-AADA-4
Both human and animal studies have demonstrated remarkable findings of experience-induced plasticity in the cortex. Here, we investigated whether the widely used monetary incentive delay (MID) task changes the neural processing of incentive cues that code expected monetary outcomes. We used a novel auditory version of the MID task, where participants responded to acoustic cues that coded expected monetary losses. To investigate task-induced brain plasticity, we presented incentive cues as deviants during passive oddball tasks before and after two sessions of the MID task. During the oddball task, we recorded the mismatch-related negativity (MMN) as an index of cortical plasticity. We found that two sessions of the MID task evoked a significant enhancement of MMN for incentive cues that predicted large monetary losses, specifically when monetary cue discrimination was essential for maximising monetary outcomes. The task-induced plasticity correlated with the learning-related neural activity recorded during the MID task. Thus, our results confirm that the processing of (loss)incentive auditory cues is dynamically modulated by previously learned monetary outcomes.