Neuroscientists demonstrate revolutionary new way of mapping the brain at single-neuron resolution

Neuroscientists today publish in Neuron details of a revolutionary new way of mapping the brain at the resolution of individual neurons, which they have successfully demonstrated in the mouse brain. The new method, called MAPseq (Multiplexed Analysis of Projections by Sequencing), makes it possible in a single experiment to trace the long-range projections of large numbers of individual neurons from a specific region or regions to wherever they lead in the brain – in experiments that are many times less expensive, labor-intensive and time-consuming than current mapping technologies allow. Although a number of important brain-mapping projects are now under way, all of these efforts to obtain “connectomes,” or wiring maps, rely upon microscopes and related optical equipment to trace the myriad thread-like projections that link neurons to other neurons, near…


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