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Perception as a closed-loop convergence process

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The host for this talk is Máté Lengyel. Note the unusual time and the unusual location

Perception of external objects involves sensory acquisition via the relevant sensory organs. A widely-accepted assumption is that the sensory organ is the first station in a serial chain of processing circuits leading to an internal circuit in which a percept emerges. This open-loop scheme, in which the interaction between the sensory organ and the environment is not affected by its concurrent downstream neuronal processing, is strongly challenged by behavioral and anatomical data. I will present a hypothesis in which the perception of external objects is a closed-loop dynamical process encompassing loops that integrate the organism and its environment and converging towards organism-environment steady-states. I will discuss the consistency of closed-loop perception (CLP) with empirical data, show that it can be synthesized in a robotic setup, and discuss possible empirical ways to discriminate between open- and closed-loop schemes for perception.

This talk is part of the Craik Club series.

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