Male, 50 years old, with epilepsy, presurgical functional evaluation requested for mapping of the sensorimotor and language cortices. Sensorimotor cortical activation of the hand, foot and face maps as expected along the pre- and post-central gyri. The visual cortical activation maps as expected along the calcarine sulci.Of the tested language paradigms, the most reliable language related cortical activation is seen with the sentence completion and object naming paradigms. Language is left dominant. The putative Broca's area is best visualized on the object naming paradigm where cortical activation is seen in the left inferior frontal gyrus (pars triangularis). The putative Wernick's area is best visualized on the sentence completion paradigm where cortical activation is seen along the posterior aspect of the left superior temporal gyrus.
1.Sensorimotor cortical activation is visualized mapping the pre and postcentral gyri and the calcarine sulci.2.Data quality for the language portion of the examination is less than ideal but diagnostic information is still obtained. Language is left dominant. Broac'a and Wernicke's areas are identified in their customary locations.