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Commissures & Disconnections (Advanced)
In this tutorial, we will learn the neuroanatomy of the commissural fibers and two disconnection syndromes: alexia without agraphia and alien hand syndrome. Key structures/terms: corpus callosum, anterior commissure bundle, rostrum, genu, body, splenium, prefrontal fibers, frontal fibers, temporo-parietal fibers, temporo-occipital fibers,anterior forceps, posterior forceps, pure alexia without agraphia, language center in the left superior temporal gyrus,left visual cortex, right visual cortex, splenium of the corpus callosum, right homonymous hemianopia, alien hand syndrome (aka alien limb sign), anterior corpus callosum, medial frontal lobe, parieto-occipital lobe.
