Neuron
Volume 55, Issue 6, 20 September 2007, Pages 831-832
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A Public Confession: The Retina Trumpets Its Failed Predictions

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To compensate for delays of phototransduction, the retina anticipates the future by extrapolating the position of a moving object. But what if the object's motion changes, and the extrapolation is wrong? In this issue of Neuron, Schwartz and colleagues show that these prediction failures trigger a large burst of firing that helps to rapidly correct the neural representation of the object's new position.

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