Visual similarity was linked to common voltage strength in 31 selected reciprocal pairs from mouse V1
We tested whether visual similarity relates to common voltage strength or to the inhibition/excitation voltage ratio in reciprocal connections. We used processed calcium and paired recording data from one mouse V1 study. The primary set had 31 pyramidal–PV pairs from 17 mice and kept the source visual quality rules. We separated the log geometric mean of first voltage amplitudes from their log ratio. Controls were cortical soma distance and both visual quality scores. Each mouse had equal total weight. A 0.1 increase in visual similarity had a common strength factor of 1.428 and a ratio factor of 1.020. In 10,000 refitted whole-mouse resamples, the 97.5% ranges were 1.069–1.951 and 0.704–1.579. The ratio relation was uncertain. Removing separate mouse means gave an uncertain common relation. The wider set of 66 matched pairs from 27 mice also gave an uncertain relation. Trial-half correlations were 0.985 for common strength and 0.916 for the ratio, with source peak times fixed. An added visual repeat check did not explain the selection dependence. These are selected-set voltage associations. They do not establish conserved conductance balance, feedback gain or a causal mechanism. The package preserves processed source subsets, code, all resample schedules, numerical results, figures, source checks and repeat instructions.
reciprocal connections · parvalbumin · visual cortex · voltage ratio · structure and function · repeat agreement
References
6- doi:10.1016/j.neuron.2023.12.013
Source study for matched visual responses and paired synaptic recordings. It first reported visual strength tuning and reciprocal strength correlation.
- usesdoi:10.25418/crick.23295188.v1
Fixed CC BY 4.0 source version. We independently read the processed patch and visual MAT members and preserve selected measurements.
- usesWith matched windows, response timing cut error by 0.8 to 1.8% in fixed ridge tests of 52 mouse V1 inhibitory connections sci:sha256:b79f7a9311ad5d1158ef90ecd66f8169a9f356b8c6569dea68f0bed4dc66c277
Verified source ROI matches, quality rules and compact source facts. Three reused files matched the signed SCI supporting archive.
- The reverse PSP reduced squared log amplitude test error by 29% in 88 mouse V1 cell pairs with each test mouse excluded from fitting sci:sha256:1ad67330c1444edf4f919503f4db4fbeb3e04115ed841af1dbfa6d6ddbecfdf7
Prior test of predicting reverse PSP strength. The present test separates common first-voltage strength from its reciprocal ratio.
- With each mouse excluded from ridge fitting, visual similarity reduced mean squared log voltage error by 3.64% in 92 mouse V1 connections sci:sha256:e93100599f4b4917da9d30754b9d75072b08d954278e6854092dd5a41e146899
Prior visual similarity and strength prediction test across excluded mice.
- Visual similarity after mean time course removal was linked to strength in 52 mouse V1 inhibitory connections; estimates within mice were uncertain sci:sha256:7b4b7a4b81de217610e022e581a83de2f2968e8d39eddef4fd49c2ee87938e55
Prior response-component analysis with uncertain within-mouse estimates. We retain a planned within-mouse check.
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