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The Computational Brain$
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Patricia S. Churchland and Terrence J. Sejnowski

Print publication date: 2016

Print ISBN-13: 9780262533393

Published to MIT Press Scholarship Online: January 2018

DOI: 10.7551/mitpress/9780262533393.001.0001

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Neuroscience Overview

Neuroscience Overview

Chapter:
(p.17) 2 Neuroscience Overview
Source:
The Computational Brain
Author(s):

Patricia S. Churchland

Terrence J. Sejnowski

Publisher:
The MIT Press
DOI:10.7551/mitpress/9780262533393.003.0002

This chapter provides an overview of the “neuroscience” component of the “computational neuroscience” synergy. It begins with a discussion of three ideas about levels in nervous systems: levels of analysis, levels of organization, and levels of processing. Levels of organization are essentially anatomical, and refer to a hierarchy of components and to structures that comprise these components. Levels of processing are physiological, and refer to the location of a process relative to the transducers and muscles. Levels of analysis are conceptual, and refer to different kinds of questions asked about how the brain performs a task. The chapter proceeds by considering seven categories of structural organization in nervous systems: systems, topographic maps, layers and columns, local networks, neurons, synapses, and molecules. It concludes by presenting a short list of brain facts.

Keywords:   neuroscience, computational neuroscience, nervous systems, levels of analysis, levels of organization, levels of processing, topographic maps, neurons, synapses, molecules

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