Eloquent cortex is a term that refers to specific brain areas that directly controls function, thus damage to these areas generally produces major focal neurological deficits. Examples of eloquent cortex are:
- primary motor cortex (precentral gyrus)
- primary somatosensory cortex (postcentral gyrus)
- primary visual cortex
- primary auditory cortex
- Broca’s area (posterior inferior frontal gyrus - pars opercularis and pars triangularis)
- Wernicke's area
Functional MRI is generally utilized to map these areas when planning a tumor resection.
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