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Quest for the basic plan of nervous system circuitry.

Larry W Swanson1

  • 1Department of Biological Sciences, University of Southern California, Los Angeles, CA 90089-2520, USA. lswanson@usc.edu

Brain Research Reviews
|February 3, 2007
PubMed
Summary
This summary is machine-generated.

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Understanding the nervous system

Area of Science:

  • Neuroscience
  • Systems Neuroscience

Background:

  • Historical models of nervous system organization evolved from pneumatic theories to cellular neuron models.
  • Early models focused on pneumas, diverting attention from brain parenchyma organization.

Observation:

  • Thomas Willis (1664) distinguished gray matter production and white matter conduction.
  • Santiago Ramón y Cajal and contemporaries developed a cellular model of sensory, motor, and association neurons transmitting nerve impulses.

Findings:

  • Modern systems neuroscience leverages advances in pathway tracing, molecular genetics, and computer science.
  • Seven requirements are proposed for knowledge management systems to model nervous system circuitry.

Implications:

  • The goal is a simple, understandable model of nervous system circuitry, analogous to Harvey's cardiovascular model.

Related Experiment Videos

  • Accurate structural views of the brain are essential for understanding complex human functions, as emphasized by Cajal (1909).