New imaging studies reveal mechanics of neuron migration

In the developing brain, generations of young neurons undergo a staged migration, with the earliest-born cells staying relatively close to their birthplace and subsequent generations traveling further, ultimately stratifying into six neuronal layers in the mature brain. For the first time, imaging studies have identified the “motors” that propel this unique form of cell migration, giving insight into the delicate layering of the brain that underlies the formation of synaptic circuitry.

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