Choice of Scale for Neuroprosthetics Bandwidth ocalization (approximate) Scalp 0~80Hz Volume Electrodes Conduction Cortical surface Electro 0-500Hz Cortical Surface corticogram (ECoG) Implanted 0-7KHz Single Neuron Electrodes 1 mmChoice of Scale for Neuroprosthetics Bandwidth (approximate) Localization Scalp Electrodes 0 ~ 80 Hz Volume Conduction Cortical Surface Electro￾corticogram (ECoG) 0 ~ 500Hz Cortical Surface Implanted Electrodes 0 ~ 7kHz Single Neuron