2015
DOI: 10.1038/srep08451
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A neuro-inspired model-based closed-loop neuroprosthesis for the substitution of a cerebellar learning function in anesthetized rats

Abstract: Neuroprostheses could potentially recover functions lost due to neural damage. Typical neuroprostheses connect an intact brain with the external environment, thus replacing damaged sensory or motor pathways. Recently, closed-loop neuroprostheses, bidirectionally interfaced with the brain, have begun to emerge, offering an opportunity to substitute malfunctioning brain structures. In this proof-of-concept study, we demonstrate a neuro-inspired model-based approach to neuroprostheses. A VLSI chip was designed to… Show more

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Cited by 25 publications
(21 citation statements)
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“…A recent study, inspired by a previous work ( 55 ), implemented a hybrid interaction ( 56 ) between the cerebellum of a rat and an SNN implemented on FPGA. Their model involved 10k LIF neurons and did not integrate other biomimetic behaviors, such as axonal delay, short-term plasticity and synaptic noise, unlike the IZH neurons implemented in our system.…”
Section: Discussionmentioning
confidence: 99%
“…A recent study, inspired by a previous work ( 55 ), implemented a hybrid interaction ( 56 ) between the cerebellum of a rat and an SNN implemented on FPGA. Their model involved 10k LIF neurons and did not integrate other biomimetic behaviors, such as axonal delay, short-term plasticity and synaptic noise, unlike the IZH neurons implemented in our system.…”
Section: Discussionmentioning
confidence: 99%
“…The relevance of neuromorphic technology in the design of brain-machine interfaces is demonstrated by the flourishing work in this domain (see Dethier et al, 2013; Barsakcioglu et al, 2014; Hogri et al, 2015, as non-exhaustive examples). The main features of neuromorphic implementations are low power consumption, real-time operation, adaptability, and compactness.…”
Section: Discussionmentioning
confidence: 99%
“…The main features of neuromorphic implementations are low power consumption, real-time operation, adaptability, and compactness. Simulations show that hardware Spiking Neural Networks can successfully decode the activity of neurons for closed-loop cortical implants (Dethier et al, 2013) and an ad-hoc working prototype is able to substitute a cerebellar learning function in the rat (Hogri et al, 2015). Our work extends this approach in proposing a modular and reconfigurable scheme whereby the neuromorphic chip can be exploited for implementing different algorithms and BMI functions; in particular, we demonstrated this approach by using the chip as neural decoder.…”
Section: Discussionmentioning
confidence: 99%
“…Similarly, the biomimetic model can be used to replace and/or rehabilitate a damaged brain region [1215]. To achieve this, the biomimetic model can be connected to the remaining brain regions and tuned to reproduce healthy neural activity and stimulate the damaged region, restoring normal brain function.…”
Section: Introductionmentioning
confidence: 99%