Computation in the neuronal systems close to the critical point
Schedule
Saturday, April 30, 2022
00:00 UTC
Anna Levina
Prof Dr
Universität Tübingen
Host: Sydney Systems Neuroscience and Complexity SNAC
Recording
Open recording
Event Information
Recording
Available
Host
Sydney Systems Neuroscience and Complexity SNAC
Duration
60 minutes
Abstract
It was long hypothesized that natural systems might take advantage of the extended temporal and spatial correlations close to the critical point to improve their computational capabilities. However, on the other side, different distances to criticality were inferred from the recordings of nervous systems. In my talk, I discuss how including additional constraints on the processing time can shift the optimal operating point of the recurrent networks. Moreover, the data from the visual cortex of the monkeys during the attentional task indicate that they flexibly change the closeness to the critical point of the local activity. Overall it suggests that, as we would expect from common sense, the optimal state depends on the task at hand, and the brain adapts to it in a local and fast manner.
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