Visual processing of feedforward and feedback signals in mouse thalamus
Monday, June 7, 2021
14:00 UTC
Prof Laura Busse
LMU Munich
Recording
Open recording
Hosted by Sussex Visions70 minutes
Abstract
Traditionally, the dorsolateral geniculate nucleus (dLGN) of the thalamus has been considered a feedforward relay station for retinal signals to reach primary visual cortex. The local and long-range circuits of dLGN, however, suggest that this view is not correct. Indeed, besides the thalamo-cortical relay cells, dLGN contains local inhibitory interneurons, and receives not only feedforward input from the retina, but also massive direct and indirect feedback from primary visual cortex. Furthermore, it is one of the earliest processing stages in the visual system that integrates visual information with neuromodulatory signals.
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