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Biological variation in the sizes, shapes and locations of visual cortical areas in the mouse

By Jack Waters, Eric Kenji Lee, Nathalie Gaudreault, Fiona Griffin, Jerome Lecoq, Cliff Slaughterbeck, David Sullivan, Colin Farrell, Jed Perkins, David Reid, David Feng, Nile Graddis, Marina Garrett, Yang Li, Fuhui Long, Chris Mochizuki, Kate Roll, J Zhuang, Carol Thompson

Posted 12 Sep 2018
bioRxiv DOI: 10.1101/414698 (published DOI: 10.1371/journal.pone.0213924)

Visual cortex is organized into discrete sub-regions or areas that are arranged into a hierarchy and serve different functions in the processing of visual information. In our previous work, we noted that retinotopic maps of cortical visual areas differed between mice, but did not quantify these differences or determine the relative contributions of biological variation and measurement noise. Here we quantify the biological variation in the size, shape and locations of 11 visual areas in the mouse. We find that there is substantial biological variation in the sizes of visual areas, with some visual areas varying in size by two-fold across the population of mice.

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