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. 2022 Feb 14;16:827284. doi: 10.3389/fnins.2022.827284

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Copyright © 2022 Bando, Ishibashi, Yamagishi, Fukuda and Sato.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Correlation between electrical activity and neocortical development. (i) Proliferation, (ii) neuronal differentiation, (iii) multipolar migration (iv) multipolar-to-bipolar transition, (v) radial migration, (vi) termination of migration, (vii) dendrite and axonal elongation, (viii) synapse formation. VZ, ventricular zone, SVZ, subventricular zone, IZ, intermediate zone, SP, subplate, CP, cortical plate, MZ, marginal zone. The bottom panel shows temporal changes of electrical activity. Electrical activity is high during neurogenesis, low during migration except in the boundary between the IZ and SP, and is elevated again after neurons reach the MZ.