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Supratentorial Level: Cerebral Hemispheres 

Supratentorial Level: Cerebral Hemispheres
Supratentorial Level: Cerebral Hemispheres

Eduardo E. Benarroch

, Jeremy K. Cutsforth-Gregory

, and Kelly D. Flemming

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date: 17 October 2019

The supratentorial level consists of 2 main anatomical regions: the diencephalon and the telencephalon. The anatomy, physiology, and clinical correlations of lesions affecting the diencephalon and visual pathways are described in another chapter. The telencephalon forms the cerebral hemispheres, which consist of the cerebral cortex, basal ganglia, and subcortical white matter tracts that interconnect areas of the cerebral cortex with one another and with the basal ganglia, thalamus, brainstem, and spinal cord. The medial portion of the cerebral hemispheres includes the amygdala, hippocampal formation, and cingulate cortex. These areas are involved in emotional and memory processing. The olfactory system is intimately related to these structures. The lateral and inferior aspects of the cerebral hemispheres include most of the frontal, insular, parietal, temporal, and occipital lobes. Neurons distributed in several cortical areas interact, forming functional networks that control different cognitive functions.

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