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. 2023 Nov 23;14:7592. doi: 10.1038/s41467-023-43255-6

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© The Author(s) 2023

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 7 — a TL (dashed white outline) in Tg(elavl3:Gal4-VP16;UAS:GCaMP3), (dorsal view). Rapid Ca²⁺ imaging (8−27 Hz) was performed in a rectangular scan area (red box; magnified view in right inset) during spontaneous fictive swimming in the absence of visual stimulation. Image representative for independent recordings from 5 larvae. b Example of fluorescence transients (ΔF/F) from cell body in the TL (red circle marked in (a, right inset). ΔF/F transients coincide with spontaneous swim bouts, recorded simultaneously (MNR, bottom). Onset of ΔF/F transients occurs around swim onset (vertical dashed lines in magnified view, lower traces). c Swim-triggered average (green trace) of ΔF/F transients from cell shown in b. Individual ΔF/F transients (gray traces) were z-scored prior to averaging. d Histogram of ΔF/F transient delays from swim onset measured in TL cell bodies. (n = 214 cells from 5 larvae). Source data are provided as a Source Data file.