Our brains contain billions of neurons and trillions of connections, and scientists are only beginning to understand the ...

wraps around a pyramidal neuron (PyN – green and blue) and chandelier cell synaptic endings (ChC, red) to help synapses grow on the axon initial segment (AIS, blue).

Using a whole-brain fluorescence imaging technique developed at Janelia, scientists captured axons of pyramidal tract neurons leaving the motor cortex. Disclaimer: AAAS and EurekAlert! are not ...