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Human Brain Mapping Using Subdural Electrodes 

Human Brain Mapping Using Subdural Electrodes
Human Brain Mapping Using Subdural Electrodes

Stephanie Gollwitzer

, and Hajo M. Hamer

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date: 11 July 2020

Extraoperative cortical stimulation enables precise mapping of cortical function. The information gained is essential to plan resection and spare eloquent cortex. This chapter pictures typical stimulation responses evoked in primary and secondary motor areas, sensory areas, and language areas, and describes specific phenomena associated with electrical stimulation of the insula and angular gyrus. Simulation effects are put into anatomical context, with special attention to their interpretation in terms of operability. Differences between stimulation responses in indispensable cortex, such as primary motor areas, and in regions wherein resection does not cause permanent deficits, such as supplementary and negative motor areas, are thoroughly reviewed.

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