Li, Z., Tomlinson, A. C., Wong, A. H., Zhou, D., Desforges, M., Talbot, P. J., Benlekbir, S., Rubinstein, J. L., & Rini, J. M. (2019). The human coronavirus HCoV-229E S-protein structure and receptor binding. ELife, 8, e51230. https://doi.org/10.7554/eLife.51230

How pandemic isolation is affecting young kids’ developing minds. (2022, February 11). Science. https://www.nationalgeographic.com/science/article/how-pandemic-isolation-is-affecting-young-kids-developing-minds

Study focus is relationship between brain connectivity and learning success.

Acknowledgement of regression of plasticity in adulthood. SLA is not impossible the older one is but does become more difficult and the retention rate is much lower.

Almaatouq, A., Noriega-Campero, A., Alotaibi, A., Krafft, P. M., Moussaid, M., & Pentland, A. (2020). Adaptive social networks promote the wisdom of crowds. Proceedings of the National Academy of Sciences, 201917687. https://doi.org/10.1073/pnas.1917687117

Antov, M.I., Plog, E., Bierwirth, P. et al. Visuocortical tuning to a threat-related feature persists after extinction and consolidation of conditioned fear. Sci Rep 10, 3926 (2020). https://doi.org/10.1038/s41598-020-60597-z

This sounds like modern psychology, particularly of children's plasticity when young