![Fractal brain](https://source.wustl.edu/wp-content/uploads/2019/06/Fractal-Brain-760x507.jpg)
Hacking into brain signals may be more straightforward than once thought.
Physicists studying the brain at Washington University in St. Louis have shown how measuring signals from a single neuron may be as good as capturing information from many neurons at once using big, expensive arrays of electrodes.
![Wessel](https://source.wustl.edu/wp-content/uploads/2019/06/Wessel_headshot-200x300.jpg)
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