Variable fMRI activation during two different language tasks in a patient with cognitive delay

functional mri produces a more accurate localization of the language areas for epilepsy surgery purpose, but requires the patient cooperation. we report a 34 years-old woman with mental retardation who underwent two different verbal fluency tasks, category and word naming. we found a strong activation of the broca？s area in the most difficult task. we suggest that a multi-task fmri study could be successful in patients with cognitive delay.