Association fiber

Overview
The association fibers unite different parts of the same hemisphere, and are of two kinds: (1) those connecting adjacent gyri, short association fibers; (2) those passing between more distant parts, long association fibers.

Short association fibers
The short association fibers lie immediately beneath the gray substance of the cortex of the hemispheres, and connect together adjacent gyri.

Long association fibers
The long association fibers include the following: