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| Hauptseite > Publikationsdatenbank > Short-Term Dosage Regimen for Stimulation-Induced Long-Lasting Desynchronization > print |
| Hauptseite > Publikationsdatenbank > Short-Term Dosage Regimen for Stimulation-Induced Long-Lasting Desynchronization > print |
| 001 | 845004 | ||
| 005 | 20220930130145.0 | ||
| 024 | 7 | _ | |a 10.3389/fphys.2018.00376 |2 doi |
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| 100 | 1 | _ | |a Manos, Thanos |0 P:(DE-Juel1)164577 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Short-Term Dosage Regimen for Stimulation-Induced Long-Lasting Desynchronization |
| 260 | _ | _ | |a Lausanne |c 2018 |b Frontiers Research Foundation |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a In this paper, we computationally generate hypotheses for dose-finding studies in the context of desynchronizing neuromodulation techniques. Abnormally strong neuronal synchronization is a hallmark of several brain disorders. Coordinated Reset (CR) stimulation is a spatio-temporally patterned stimulation technique that specifically aims at disrupting abnormal neuronal synchrony. In networks with spike-timing-dependent plasticity CR stimulation may ultimately cause an anti-kindling, i.e., an unlearning of abnormal synaptic connectivity and neuronal synchrony. This long-lasting desynchronization was theoretically predicted and verified in several pre-clinical and clinical studies. We have shown that CR stimulation with rapidly varying sequences (RVS) robustly induces an anti-kindling at low intensities e.g., if the CR stimulation frequency (i.e., stimulus pattern repetition rate) is in the range of the frequency of the neuronal oscillation. In contrast, CR stimulation with slowly varying sequences (SVS) turned out to induce an anti-kindling more strongly, but less robustly with respect to variations of the CR stimulation frequency. Motivated by clinical constraints and inspired by the spacing principle of learning theory, in this computational study we propose a short-term dosage regimen that enables a robust anti-kindling effect of both RVS and SVS CR stimulation, also for those parameter values where RVS and SVS CR stimulation previously turned out to be ineffective. Intriguingly, for the vast majority of parameter values tested, spaced multishot CR stimulation with demand-controlled variation of stimulation frequency and intensity caused a robust and pronounced anti-kindling. In contrast, spaced CR stimulation with fixed stimulation parameters as well as singleshot CR stimulation of equal integral duration failed to improve the stimulation outcome. In the model network under consideration, our short-term dosage regimen enables to robustly induce long-term desynchronization at comparably short stimulation duration and low integral stimulation duration. Currently, clinical proof of concept is available for deep brain CR stimulation for Parkinson's therapy and acoustic CR stimulation for tinnitus therapy. Promising first in human data is available for vibrotactile CR stimulation for Parkinson's treatment. For the clinical development of these treatments it is mandatory to perform dose-finding studies to reveal optimal stimulation parameters and dosage regimens. Our findings can straightforwardly be tested in human dose-finding studies. |
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| 773 | _ | _ | |a 10.3389/fphys.2018.00376 |g Vol. 9, p. 376 |0 PERI:(DE-600)2564217-0 |p 376 |t Frontiers in physiology |v 9 |y 2018 |x 1664-042X |
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