Overview of a Systems-Based Approach


Neuroanatomy is an enormous field, with textbooks devoted solely to the subject. In this book, we presume the reader has a foundation in basic neuroanatomy and neurophysiology. Here we will take the clinical approach to neuroanatomy. We will organize by locations but also by functional systems. Subsequent chapters cover the individual segments of the nervous system.

General Principles

Symmetry

With few exceptions, the nervous system is symmetric across the midsagittal plane. This is from a structural standpoint, not completely a functional one. For example, each cerebral hemisphere serves motor function to the contralateral body. Many structures of the brain have principal responsibility for the opposite side of the body.

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