Immature neurons in many brain regions are electrically coupled through gap junctions, which are lost as chemical synaptic transmission matures. This developmental uncoupling is now shown to require NMDA receptor activation.
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Kandler, K., Thiels, E. Flipping the switch from electrical to chemical communication. Nat Neurosci 8, 1633–1634 (2005). https://doi.org/10.1038/nn1205-1633
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DOI: https://doi.org/10.1038/nn1205-1633
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