NeXus Slow Cortical Potentials Sensor
The NeXus Slow Cortical Potential (SCP) Sensor has been especially designed for measuring slow cortical potentials, which are signals in the lower range of the EEG spectrum (<1 Hz) . Slow cortical potentials are used in Neurofeedback for applications such as ADHD and Epilepsy. You can use a variety of different electrodes, but we recommend the use of sintered electrodes like our NeXus Minicap Electrodes because of their superior signal stability.
The NeXus SCP Sensor uses three touch proof connections. The red electrode is placed on Cz and both black electrodes are placed on the ears. The ground may be placed anywhere in the head/face or in the neck/shoulder area. We recommend using the NeXus EXG . The NeXus SCP Sensor uses proprietary carbon technology combined with active noise cancellation technology. Instead of "hiding" noise and artifacts with the classic filter approach, it simply measures the external noise and subtracts it, resulting in cleaner signals and less artifacts.
Note: measuring electophysiological signals always requires a ground. Therefore, when using the Slow Cortical Potential TP NeXus sensor make sure to also use the NeXus EXG Ground TP.
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