A new signal source module for BCI2000 interface to an open-source multichannel acquisition system

Abstract

In a brain-computer interface (BCI), the first module after the user, is the amplifier to acquire electroencephalography (EEG) signals. These are usually multichannel amplifiers which include pre-condition of the EEG signal for further processing. To develop BCI based on BCI2000, there are many data acquisition modules as contributions from users of BCI2000. These contributions support EEG amplifiers that are not easily available for Latin American countries, limiting their accessibility by patients and health institutions, which are BCI’s final users. This article presents the design and evaluation of a new signal source module for BCI2000 to connect a biopotential amplifier from the open-source BioAmp project. This new signal source module embedded in BCI2000 allows the acquisition, visualization of EEG signals and their storing for later processing. Its implementation in the clinical context will allow the advancement in translational research in the BCI field.