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Topic: primate

Seminar
2 seminars

In Biology and Neuroscience

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

Seminar · Cognition

Robust Encoding of Abstract Rules by Distinct Neuronal Populations in Primate Visual Cortex

Tirin Moore · Stanford University

Fri, Mar 19, 2021 · 07:00 UTC

I will discuss our recent evidence showing that information about abstract rules can be decoded from neuronal activity in primate visual cortex even in the absence of sensory stimulation. Furthermore, that rule information is greatest among neurons with the least visual activity and the weakest coupling to local neuronal networks. In addition, I will talk about recent developments in large-scale neurophysiological techniques in nonhuman primates.