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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

(p.17) 2 Neuroscience Overview
The Computational Brain

Patricia S. Churchland

Terrence J. Sejnowski

The MIT Press

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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