Knowledge of the encephalon anatomy is crucial for neurosurgical practice, especially the main cortical functional structures and their connections. General organisation of the encephalon is presented with [[frontal lobe]], [[parietal lobe]], [[occipital lobe]], [[temporal lobe]], limbic and [[insular lobe]]s and their Brodmann correspondence. Secondly, subcortical anatomy will be presented with main white matter fasciculi in three separated categories: association, commissural and projection fibers. Main association fibers are inferior occipitofrontal fasciculus, superior longitudinal fasciculus, arcuate fasciculus, inferior longitudinal fasciculus, uncinate fasciculus, and cingulum. [[Commissural fiber]]s include [[anterior commissure]], [[corpus callosum]] and [[fornix]]. Projection fibers are [[internal capsule]] and [[optic radiation]]s
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