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. 2020 Jul 7;19(5-6):343–349. doi: 10.1093/bfgp/elaa014

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© The Author(s) 2020. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com

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Increased communication between the subregions of the SCN after a light pulse. The different colored dots represent different subregions of the SCN expressing different neurotransmitters and receptors (red, VIP neurons; yellow, AVP neurons; green, PACAP and prokineticin 2 neurons; blue, PACAP and probably gastrin-releasing peptide neurons; gray, less defined, responsive cluster). Gray arrows symbolize the flow of neurotransmitters between the different cell clusters. Note that the figure displays only a snapshot of the situation 1 h after the light pulse and the process is probably highly dynamic.