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  1. New Webvision Chapter: Retinal Degeneration, Remodeling and Plasticity

    We have a new Webvision chapter on Retinal Degeneration, Remodeling and Plasticity! Check it out here.

    Jun 1, 2015 — Read more No Comments
  2. Upcoming VIG seminar: November 20th @ NOON

    There is an upcoming Vision Interest Group featuring Kevin Breen from the Vetter lab and Crystal Sigulinsky from the Marc Lab.  Will be held on November 20th at noon in the west John A. Moran Eye Center Auditorium.

    Nov 10, 2014 — Read more No Comments
  3. Moran Eye Center Researcher Robert E. Marc: 2014 Paul Kayser Award In Retina Research

    Our colleague and Director of Research at the University of Utah‘s Moran Eye Center, Robert E. Marc, Ph.D. has been named by the International Society for Eye Research as a recipient of the Paul Kayser International Award in Retina Research.  The award will be presented to Dr. Marc during the 2014 ISER Biennial Meeting of […]

    Jun 25, 2014 — Read more No Comments
  4. A Synaptic Basis for Small World Network Design in the ON Inner Plexiform Layer of the Rabbit Retina

    This abstract was presented today at the 2014 Association for Research in Vision and Opthalmology (ARVO) meetings in Orlando, Florida by J Scott Lauritzen, Noah T. Nelson, Crystal L. Sigulinsky, Nathan Sherbotie, John Hoang, Rebecca L. Pfeiffer, James R. Anderson, Carl B. Watt, Bryan W. Jones and Robert E. Marc. Purpose: Converging evidence suggests that large- and intermediate-scale neural networks throughout the nervous system exhibit small world’ […]

    May 6, 2014 — Read more No Comments
  5. The Role of NMDA Receptor Activity in Retinal Ganglion Cell Dendrite Development

      This abstract was presented today at the 2014 Association for Research in Vision and Opthalmology (ARVO) meetings in Orlando, Florida by Eerik M. Elias, Ping Wang and Ning Tian. Full size poster available here. Purpose: To elucidate mechanisms underlying the dendrite developmental plasticity of retinal ganglion cells, we examined the role of glutamate receptors on retinal ganglion […]

    May 6, 2014 — Read more No Comments
  6. Seminar: Marla Feller, The Development Of Functional Circuits In The Retina

    The University of Utah Program in Neuroscience presents Dr. Marla Feller who will deliver a seminar in the Eccles Institute of Human Genetics auditorium, Tuesday October 15th, 2013 at 4:00pm.  Dr. Feller will discuss the development of functional circuits in the retina.  

    Oct 10, 2013 — Read more No Comments
  7. Portrait Of Vision Scientist: Stuart Mangel, Ph.D.

    This image of Stuart Mangel was made in Berlin, Germany at the 2012 ISER meeting.  Stuart is Professor in the Department of Neuroscience at Ohio State University.  Stuart came out of John Dowling’s lab at Harvard and has contributed mightily to our understanding of synaptic plasticity, circadian rhythms and retinal circuitry/information processing in the retina. Its […]

    Jun 21, 2013 — Read more No Comments
  8. Sparse Network Principles of GABAergic Amacrine Cell Heterocellular Coupling

    This abstract was presented today at the Association for Research in Vision and Opthalmology (ARVO) meetings in Seattle, Washington by Crystal L. Sigulinsky, J. Scott Lauritzen, John V. Hoang, Carl B. Watt, Bryan W. Jones, James R. Anderson, Shoeb Mohammed and Robert E. Marc.

    May 6, 2013 — Read more No Comments
  9. Tiered Cross-Class Bipolar Cell Gap Junctional Coupling in the Rabbit Retina

    This abstract was presented today at the Association for Research in Vision and Opthalmology (ARVO) meetings in Seattle, Washington by J. Scott Lauritzen, John V. Hoang, Crystal Sigulinsky, Bryan W. Jones, James R. Anderson, Carl B. Watt, Shoeb Mohammed and Robert E. Marc.

    May 6, 2013 — Read more No Comments
  10. Building Retinal Connectomes

    There has been quite a bit of discussion of connectomes in the last while with President Obama’s new BRAIN initiative.  It is important to consider some of the requirements of obtaining a true synapse level wiring map in the brain as many are articulating from this initiative.  While there are new technologies that will be […]

    Apr 22, 2013 — Read more No Comments
  11. Notable Paper: On Cone Bipolar Cell Axonal Synapses In The OFF Inner Plexiform Layer Of The Rabbit Retina

    This paper in the Journal of Comparative Neurology by  J. Scott Lauritzen, James R. Anderson, Bryan W. Jones, Carl B. Watt, Shoeb Mohammed, John V. Hoang and Robert E. Marc is another effort out of the Marc Laboratory For Connectomics that continues to define complete neural circuits to completeness. This paper is another elucidation of data from the first Rabbit Retinal Connectome volume (RC1) that reveals […]

    Jan 30, 2013 — Read more 1 Comment
  12. Happy Holidays 2012 And A Happy New Year In 2013

    We at Webvision would like to wish you all a very happy holiday season and a happy New Year in 2013.  Continuing on the theme from last years holiday season wishes, we have for you a colorful holiday image titled “Connectomics, First Light” from Robert E. Marc utilizing data generated by Scott Lauritzen, Crystal Sigulinsky […]

    Dec 21, 2012 — Read more No Comments
  13. Seminar: Photoreceptor Networks And Color

    Julie Schnapf, Ph.D. from University California San Francisco is delivering a seminar this Wednesday, September 12, 2012 at the Moran Eye Center auditorium on the first floor.  Julie will be talking about Photoreceptor Networks and Color. Abstract:  Photoreceptors are more than just photon transduction machines.  They also communicate with each other, forming interactive electrical networks […]

    Sep 10, 2012 — Read more No Comments
  14. Connectomics Analysis of Rod-Cone Interaction Networks

    This poster and presentation was presented today at the Federation of American Societies For Experimental Biology (FASEB) meeting in Steamboat Springs, Colorado by J. Scott Lauritzen, James R. Anderson, Carl B. Watt, Bryan W. Jones and Robert E. Marc.  A large size pdf of the poster can be downloaded here.

    Jul 31, 2012 — Read more No Comments
  15. Notable Paper: Network Deficiency Exacerbates Impairment in a Mouse Model of Retinal Degeneration

    This paper by Christopher W. Yee, Abduqodir H. Toychiev and Botir T. Sagdullaev examines the role that neural oscillations play in normal and pathological states.  In a neurodegenerative model of retinitis pigmentosa, the authors examined the activity of neural networks in the rd1 mouse model and compared that activity to the wild type.  

    Apr 1, 2012 — Read more No Comments
  16. Merry Christmas and Happy New Year, 2011

    Merry Christmas and Happy New Year to you from all of us at Webvision.  This image, a Christmas wreath created by Robert E. Marc is composed of 104 rod bipolar cell axonal fields from the world’s first complete connectome with synaptic level resolution.  Each bipolar cell in this field has been annotated from ultrastructural data […]

    Dec 24, 2011 — Read more 1 Comment
  17. Developmental mechanisms that regulate retinal ganglion cell dendritic morphology

      This paper by Ning Tian in the Journal of Developmental Neurobiology reviews the developmental mechanisms involved in the formation of retinal ganglion cells (RGC) dendrites.  

    Jul 6, 2011 — Read more No Comments
  18. Light-Evoked Synaptic Activity of Retinal Ganglion and Amacrine Cells is Regulated in Developing Mouse Retina

    This paper by Q. He, Wang P and Ning Tian characterizes the developmental profiles of the light evoked excitatory and inhibitory synaptic inputs from ON and OFF synaptic pathways in the retina, the light evoked synaptic outputs and the sensitivity of the light evoked synaptic inputs and outputs to light deprivation of retinal ganglion cells […]

    Jun 27, 2011 — Read more 1 Comment
  19. 100 Papers You Should Read: Synaptic Relationships in the Plexiform Layers of Carp Retina

    This is the third paper in the category, 100 Papers You Should Read (in vision science). This paper, Synaptic Relationships in the Plexiform Layers of Carp Retina by Paul Witkovsky and John Dowling along with a previous one, Dowling and Boycott, 1966, began to set the stage for investigations into the circuitry of the inner plexiform […]

    Jun 10, 2011 — Read more No Comments