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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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Building a Space Map

Building a Space Map

Chapter:
(p.35) 2 Building a Space Map
Source:
Biological Learning and Control
Author(s):

Reza Shadmehr

Sandro Mussa-Ivaldi

Publisher:
The MIT Press
DOI:10.7551/mitpress/9780262016964.003.0003

This chapter reviews the computational problems that the brain must solve for creating and maintaining a representation of the extrapersonal space. It specifically addresses the simplified model of a gerbil, with a single one-dimensional “eye,” moving over a two-dimensional plane. It introduces the general issues encountered in forming and maintaining a space map. This chapter shows that the map of space built during navigation by combining the process and the observation models defines a spatial domain that offers a support for storing and retrieving memories of rewarding events, such as the discovery of food, as well as of adverse and dangerous situations.

Keywords:   space map, computational problems, gerbil, eye, navigation, extrapersonal space

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