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The Brain from Inside Out$
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György Buzsáki

Print publication date: 2019

Print ISBN-13: 9780190905385

Published to Oxford Scholarship Online: June 2019

DOI: 10.1093/oso/9780190905385.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 27 February 2021

Perception from Action

Perception from Action

(p.53) 3 Perception from Action
The Brain from Inside Out

György Buzsáki

Oxford University Press

The outside-in framework inevitably poses the question: What comes between perception and action? The homunculus with its decision-making power produces unavoidable logical consequences from the separation of perception from action. I promote the alternative view that things and events in the world can acquire meaning only through brain-initiated actions. In this process, the brain builds a simplified, customized model of the world by encoding the relationships of events to each other. I introduce the concept of “corollary discharge,” the main physiological mechanism that grounds the sensory input to make it an experience. This is a comparator mechanism that allows the brain to examine the relationship between a true change in the sensory input and a change due to self-initiated movement of the sensors.

Keywords:   blank slate, tabula rasa, perception-action, action-perception, corollary discharge, reafference, comparator, prediction, movement primacy

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