Female, 59 years old, with medically intractable epilepsy. Presurgical evaluation. Sensorimotor cortical activation of the hand and face maps as expected along the pre- and post-central gyri. Reliable sensorimotor cortical activation of the foot could not be achieved despite repeat attempts. Passive visual simulation elicits primary visual cortical activation along the bilateral calcarine sulci.Of the tested language paradigms, the most reliable language related cortical activation is seen with the word generation and sentence completion paradigms. Language is left dominant. Broca's area, which is visualized on both paradigms, maps to the pars opercularis of the left inferior frontal gyrus. Wernicke's area, which is visualized on the sentence completion paradigm, maps along the posterior aspect of the left superior temporal sulcus.
The sensorimotor cortex for hand and face is well delineated. Sensorimotor cortex for the foot could not be reliably visualized.The primary visual cortex is identified as expected along the bilateral calcarine sulci.Language is left dominant. Broca's and Wernicke's areas are identified in their customary locations.