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[Preprint]. 2024 May 17:rs.3.rs-4139501. [Version 1] doi: 10.21203/rs.3.rs-4139501/v1

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Extended Data Figure 4. — (A) Control data generated for one example case (MK373-CTB647; same case as in Fig. 2A–B). Within the V1 region containing the real labeled cells (white contour), we either determined the distribution of POs for all pixels (shown in the top panel of B), or randomly selected as many V1 pixels (black dots) as the number of labeled cells in the real data. Other conventions are as in Fig. 2. (B) TOP: Distribution of POs for all pixels within the white contour in (A). BOTTOM: Distribution of POs for the pixels (black dots) selected in (A). Colored bars: PO distribution of simulated V1 pixels (black dots in A). Gray bars: PO distribution at the real V2 injection site. (C) The POs of selected pixels for the control V1 data (black dots in A) are shown as oriented line segments centered on their corresponding location in visual space. (D) Distribution of circular statistics (TOP: mean resultant length; BOTTOM: circular standard deviation) obtained by repeating random pixel sampling from the labeled field 1000 times. The red arrow indicates the circular statistics obtained from real data. (E) Control data for the same example case generated by shifting the real pattern of cell label from its original location (black dots) to a new randomly selected location within the imaged V1 area (white dots); in this analysis the relative layout of the real cell label was preserved. (F) TOP: Distribution of POs for all pixels within the V1 imaged field of view shown in (E). BOTTOM: Distribution of POs for the control V1 data (white dots in E) and for the real V2 data. (G) POs and retinotopic mapping for the control V1 data (white dots in E and their POs in F bottom). (H) The real pattern of cell label (black dots and contour) was shifted over the imaged V1 region >1000 times to randomly selected locations (white contours) to generate control data. (I) Distribution of circular statistics (TOP: mean resultant length; BOTTOM: circular standard deviation) for the control data (black bars) obtain by randomly shifting the real pattern of V1 labeled cells. The red arrow indicates the circular statistics obtained from real data. Scale bars in (A,E,H): 1 mm.