Feb 11 – 14, 2020
Europe/Stockholm timezone

Disentangling the roles of dimensionality and cell classes in neural computation

Feb 11, 2020, 3:00 PM
122:026 (Nordita)



Roslagstullsbacken 17, 106 91 Stockholm, Sweden


Srdjan Ostojic


The description of neural computations currently relies on two competing views: (i) a classical single-cell view that relates the activity of individual neurons to sensory or behavioural variables, and focuses on how different cell classes map onto computations; (ii) a more recent population view that instead characterises computations in terms of collective neural trajectories, and focuses on the dimensionality of these trajectories as animals perform tasks. How the two key concepts of cell classes and low-dimensional trajectories interact to shape neural computations is however at present not understood. Here we address this question by combining machine-learning tools for training recurrent neural networks with reverse-engineering and theoretical analyses of network dynamics.

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