«
New developments in network theory are providing powerful tools to construct so - called «functional networks» from observations of brain activities such as the
electroencephalogram (EEG), and helping to identify the important nodes and links within such networks,» Lehnertz said.
The
newer, brain - controlled versions of these devices work in one of two ways; either through an
electroencephalogram (EEG) cap that detects neural activity using electrodes placed on the scalp or a device planted directly into the brain.