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| Content Provider | frontiers |
|---|---|
| Author | Anderson, Sean R. Porrill, John Dean, Paul |
| Abstract | The cerebellum is widely implicated in having an important role in adaptive motor control. Many of the computational studies on cerebellar motor control to date have focused on the associated architecture and learning algorithms in an effort to further understand cerebellar function. In this paper we shift focus to the signals driving cerebellar adaptation that arise through different motor behaviour. To do this, we investigate computationally the contribution of the cerebellum to the optokinetic reflex (OKR), a visual feedback control scheme for image stabilisation. We develop a computational model of the adaptation of the cerebellar response to the world velocity signals that excite the OKR (where world velocity signals are used to emulate head velocity signals when studying the OKR in head-fixed experimental laboratory conditions). The results show that the filter learnt by the cerebellar model is highly dependent on the power spectrum of the coloured noise world velocity excitation signal. Thus, the key finding here is that the cerebellar filter is determined by the statistics of the OKR excitation signal. |
| ISSN | 16625137 |
| DOI | 10.3389/fnsys.2020.00011 |
| Volume Number | 14 |
| Journal | Frontiers in Systems Neuroscience |
| Language | English |
| Publisher Date | 2020-03-25 |
| Access Restriction | Open |
| Subject Keyword | Adaptive filter Cerebellar Optokinetic (OKN) system World statistics Computational model |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cognitive Neuroscience Cellular and Molecular Neuroscience Developmental Neuroscience |
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