Andreas R. Hierlemann

The paper introduces a neural recording system combining microwire arrays with CMOS chips to enable high-density, three-dimensional neural interfaces.

The paper shows that the axon initial segment, not the soma or dendrites, is the main source of the extracellular action potential in neurons.

The paper introduces a new method for segmenting axons from HDMEA data and analyzes neuronal network connectivity, finding that one third of connections are putative chemical synapses and no polychronisation is observed.