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Digital Museum of Retinal Ganglion Cells with Dense Anatomy and Physiology
Bae, J. Alexander,Mu, Shang,Kim, Jinseop S.,Turner, Nicholas L.,Tartavull, Ignacio,Kemnitz, Nico,Jordan, Chris S.,Norton, Alex D.,Silversmith, William M.,Prentki, Rachel,Sorek, Marissa,David, Celia,Jo Elsevier 2018 Cell Vol.173 No.5
<P><B>Summary</B></P> <P>When 3D electron microscopy and calcium imaging are used to investigate the structure and function of neural circuits, the resulting datasets pose new challenges of visualization and interpretation. Here, we present a new kind of digital resource that encompasses almost 400 ganglion cells from a single patch of mouse retina. An online “museum” provides a 3D interactive view of each cell’s anatomy, as well as graphs of its visual responses. The resource reveals two aspects of the retina’s inner plexiform layer: an arbor segregation principle governing structure along the light axis and a density conservation principle governing structure in the tangential plane. Structure is related to visual function; ganglion cells with arbors near the layer of ganglion cell somas are more sustained in their visual responses on average. Our methods are potentially applicable to dense maps of neuronal anatomy and physiology in other parts of the nervous system.</P> <P><B>Highlights</B></P> <P> <UL> <LI> A digital “museum” provides dense anatomy and physiology of retinal ganglion cells </LI> <LI> The inner plexiform layer divides into four sublaminae defined by anatomical criteria </LI> <LI> The aggregate neurite density of a ganglion cell type is approximately uniform </LI> <LI> Inner marginal ganglion cells exhibit significantly more sustained visual responses </LI> </UL> </P> <P><B>Graphical Abstract</B></P> <P>[DISPLAY OMISSION]</P>