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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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Costs and Rewards of Motor Commands

Costs and Rewards of Motor Commands

(p.279) 10 Costs and Rewards of Motor Commands
Biological Learning and Control

Reza Shadmehr

Sandro Mussa-Ivaldi

The MIT Press

This chapter discusses the costs and reward discounts of motor commands. It suggests that certain manipulations (food, repetition, etc.) change the implicit value that the brain assigns to the target of the saccade, and that in turn affect the motor commands that move the eyes. This chapter shows that movement trajectories are a result of motor commands that produce changes in state that attempt to meet task goals, while minimizing some measure of effort.

Keywords:   motor commands, brain, saccade, eyes, movement trajectories, reward discounts

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