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Stimulus-dependent maximum entropy models of neural population codes
Einat Granot-Atedgi, Gašper Tkačik, Ronen Segev +1
Neural populations encode information about their stimulus in a collective fashion, by joint activity patterns of spiking and silence. A full account of this mapping from stimulus…
Retinal metric: a stimulus distance measure derived from population neural responses
Gašper Tkačik, Einat Granot-Atedgi, Ronen Segev +1
The ability of the organism to distinguish between various stimuli is limited by the structure and noise in the population code of its sensory neurons. Here we infer a distance mea…
Retinal adaptation and invariance to changes in higher-order stimulus statistics
Gašper Tkačik, Anandamohan Ghosh, Elad Schneidman +1
Adaptation in the retina is thought to optimize the encoding of natural light signals into sequences of spikes sent to the brain. However, adaptation also entails computational cos…