On 20 April 2024, g.tec medical engineering GmbH reported a news of “mapping of the central sulcus using g.pangolin ultra high density EEG/EMG/ECG system”.
Understanding how the brain works is really important. One way to do this is by mapping the brain’s activity with electroencephalography (EEG). It’s easy, cheap, and doesn’t involve surgery. In our latest publication, to see if we could make brain mapping even better by using a new type of EEG system called g.Pangolin ultra-high-density EEG (uHD EEG). This system has more sensors and therefore a higher resolution than traditional EEG systems, which means we can get more detailed information about the brain.
g.tec employed g.Pangolin 1024-channel EEG system (refer to the picture of Schematic representation of the system components), to conduct central sulcus mapping via median nerve electrical stimulation on five subjects. Subsequently, an algorithm, co-developed with Nuri Firat Ince and Priscella Asman, PhD, was utilized to detect the phase reversal of the evoked potentials for central sulcus identification. Following this procedure, five participants underwent MR scanning to validate the central sulcus location. The precise correspondence observed between the MRI and EEG data in pinpointing the central sulcus was remarkable.
The following image is illustrating the spatial resolution achievable with g.Pangolin.
Note: above pictures were captured from this.
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