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Topic: gaze stabilization

Seminar
1 seminar

In Biology and Cell Biology

Seminar · Vision Science

Direction-selective ganglion cells in primate retina: a subcortical substrate for reflexive gaze stabilization?

Teresa Puthussery · University of California, Berkeley

Mon, Jan 23, 2023 · 15:00 UTC

To maintain a stable and clear image of the world, our eyes reflexively follow the direction in which a visual scene is moving. Such gaze stabilization mechanisms reduce image blur as we move in the environment. In non-primate mammals, this behavior is initiated by ON-type direction-selective ganglion cells (ON-DSGCs), which detect the direction of image motion and transmit signals to brainstem nuclei that drive compensatory eye movements. However, ON-DSGCs have not yet been functionally identified in primates, raising the possibility that the visual inputs that drive this behavior instead ari