Nat BME: The low-power neurocytosis band dominated by a local single unit improves the performance of the brain-machine interface.

The basic barrier to the clinical system of the !---- brain-computer interface is the high power and computational requirements of high bandwidth neural recordsAs a result, modern high-performance solutions require transdermal connections with a large number of computers to record, process and decode neural activityThis makes existing clinically implantable recording systems, such as closed-loop deep-brain stimulation implants, irreplaceable because neural signals are recorded from too few channels at too little bandwidthMethods: Using simulations and inviviable neural records from non-human primates and rats, the specificity of the 300-1,000Hz spike belt was compared with the signals containing spikesThese simulations show that the SBP is derived from the spike waveform itself and weighted by its amplitude, resulting in a highly spatially specific signalIn addition, simulations show that the spike belt can extract accurate spike information at low signal-to-noise ratio (SNR) below a typical threshold, using various decoding tasks in non-human primates to evaluate this claim: recalibrated feedback intent training (ReFIT) Kalman filters, To control the closed-loop state of the one-dimensional index finger and the medium small (MRS) finger, the support vector machine categorizes the movement of two-dimensional individual fingers with unlimited fingers in the open loop, and the standard Kalman filter predicts the range of motion of the front and rear center arm of the front and rear in the open ringResult: The study proposes a state-of-the-art front-end design that requires a small number of transistorsWith a simpler front-end amplifier, it makes sense to install electronic devices on the array itself or for modular wireless "small chips" with single-cell-level specificityThis also shows that existing dedicated integrated circuits for local field potential and cerebral cortex imaging technology are sufficient to meet the needs of brain-machine interface applications as long as spikes are present on the electrodesLinks to: Nason, S.R., Vaskov, A.K., Willsey, M.Set alA low-power band of neuronal spiking activity dominated by local single sings the performance of the brain-interface machineNat Biomed Eng (2020)MedSci Original Source: MedSci Original !-- Content Presentation Ends - !-- Determine Stocing End s--