this is for holding javascript data
Lucas de Levy Oliveira edited In_order_to_use_USEAs__.tex
almost 9 years ago
Commit id: 120a79451eb2e598ab7427e165cd4fbcf1c60822
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In order to use USEAs electrodes to its fullest, several mathematical and signal-processing tools are usually implemented. Firstly, it is interesting to have the signal filtered in order to avoid unwanted interferences, such as electromagnetic, communication, etc.
Followingly, signal redundancy and correlation analysis are done in order to deal with the great number of electrodes within the array. The signal, then, is interpreted in order to acquire when exactly an "action potential" (or "spike") occurs; further on, spike frequency is measured.
Followingly, signal redundancy and correlation analysis are done in order to deal with the great number of electrodes within the array. This
reduced-complexity information is lastly used in decoding algorithms, which can be both discrete or continuous. The main goal of this step, however, is to understand what different spike rates perceived from different group of neurons mean in terms of functionality. For example, specific neurons may increase their firing rate when the patient moves an object from inside out in a specific angle. For different angles, different groups of neurons are more frequently activated; thus, the algorithm must understand which angle is being used for a specific array reading.