Discrete stepping and nonlinear ramping dynamics underlie spiking responses of LIP neurons during decision-making

Neuron, pp. 1249-1258.e10, 2019.

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Abstract:

Neurons in LIP exhibit ramping trial-averaged responses during decision-making. Recent work sparked debate over whether single-trial LIP spike trains are better described by discrete “stepping” or continuous “ramping” dynamics. We extended latent dynamical spike train models and used Bayesian model comparison to address this controversy. ...More

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