An EEG (electroencephalogram) is a painless test that uses small sensors placed on the scalp to measure the brain’s electrical activity. It provides a real-time readout of brain “waves”—rhythms ...

Figure 1. Diagram showing an electrically active cell in a neuronal culture and the process of recording its transmembrane potential for further analysis Neurons are cells that enable the brain to ...

Creating a virtual brain may sound like a science-fiction nightmare, but for neuroscientists in Japan and at Seattle’s Allen Institute, it’s a big step toward a long-held dream. They say their ...