The brain really is an incredible organ, and neurons are the vital link between, well, everything. The brain is anything but set in stone; how we think, feel, reason, and understand the world changes ...

which transport materials from the cell body to the axon terminals at the synapse. (D) The growth cone contains dendritic actin filament networks and parallel actin filament filopodia.

Second, the synapses that mediate these connections can be functionally very different, even when they belong to the same axon and contact the same postsynaptic target. What is the basis for this ...