How Much the Eye Tells the Brain

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Two broad classes of ganglion cell types in the guinea pig retina: brisk cells which are larger and transmit electrical impulses faster and sluggish which are smaller and slower. Credit: Kristin KochUniversity of Pennsylvania School of Medicine Curre ...
Two broad classes of ganglion cell types in the guinea pig retina: brisk cells, which are larger and transmit electrical impulses faster, and sluggish, which are smaller and slower. Credit: Kristin Koch,University of Pennsylvania School of Medicine; Current Biology

Researchers at the University of Pennsylvania School of Medicine estimate that the human retina can transmit visual input at about the same rate as an Ethernet connection, one of the most common local area network systems used today. They present their findings in the July issue of Current Biology. This line of scientific questioning points to ways in which neural systems compare to artificial ones, and can ultimately inform the design of artificial visual systems.


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