Is the cerebellum a smith predictor?
Best insight from top research papers
The cerebellum is proposed to act as a Smith Predictor, forming internal predictive models of the motor apparatus to achieve better control. These models include a forward predictive model of the motor apparatus, providing rapid prediction of sensory consequences, and a model of time delays in the control loop. The cerebellum may hold at least two separate Smith Predictors, one predicting movement outcome in visual, egocentric, or peripersonal coordinates, and another predicting consequences in motor coordinates . Ataxic patients with impaired cerebellar function show reduced awareness of hand position during movement, suggesting impairment of a sensory predictor within the cerebellum . Neural evidence supports the forward-model hypothesis of the cerebellum, showing that the firing rates of cerebellar cells can predict future inputs, compensating for sensory feedback latency . However, some studies suggest that the function of the cerebellum as a Smith Predictor or an inverse model controller alone may be insufficient to solve the control problem .
Answers from top 5 papers
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| Papers (5) | Insight |
|---|---|
| Yes, the cerebellum is a forward model that can predict future inputs based on present outputs. | |
| Yes, the functionality of a Smith predictor is incorporated in the cerebellum. | |
| Yes, the cerebellum has been suggested to act as a Smith predictor for compensation of time-delays by means of internal forward models. | |
1K Citations | Yes, the cerebellum is proposed to form two types of internal models, including a forward predictive model, similar to a Smith Predictor. |
01 Jan 1995 43 Citations | Yes, the cerebellum is proposed to act as a Smith Predictor in the control of human movement. |
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