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Biological Learning and ControlHow the Brain Builds Representations, Predicts Events, and Makes Decisions$
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Reza Shadmehr and Sandro Mussa-Ivaldi

Print publication date: 2012

Print ISBN-13: 9780262016964

Published to MIT Press Scholarship Online: August 2013

DOI: 10.7551/mitpress/9780262016964.001.0001

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Sensorimotor Integration and State Estimation

Sensorimotor Integration and State Estimation

Chapter:
(p.95) 4 Sensorimotor Integration and State Estimation
Source:
Biological Learning and Control
Author(s):

Reza Shadmehr

Sandro Mussa-Ivaldi

Publisher:
The MIT Press
DOI:10.7551/mitpress/9780262016964.003.0005

This chapter describes the prediction of the sensory consequences of motor commands by brain. It illustrates that by predicting the sensory consequences of motor commands, the brain can overcome delay in sensory feedback, and can actually sense the world better than is possible form sensory feedback alone. The disorders in predicting the sensory consequences of motor commands are reported. This chapter shows that as the brain programs motor commands, it also predicts the sensory consequences. It suggests that the brain combined visual and haptic information in a way that was similar to a maximum-likelihood estimator. It also analyzes the noise properties of muscles in an experiment.

Keywords:   motor commands, brain, sensory consequences, sensory feedback, noise, muscles

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