1. The most significant difference of blood flow was found in the inferior frontal gyrus . 2. Sources could also include one from the right opercular part of the inferior frontal gyrus . 3. These areas include the ventral premotor cortex, left inferior frontal gyrus and some parietal areas. 4. Broca s aphasia is indicative of damage to the posterior inferior frontal gyrus of the brain. 5. Instead, another area of their brains lit up _ the inferior frontal gyrus , or Borca's area. 6. The second area is Broca's area, located in the posterior inferior frontal gyrus of the dominant hemisphere. 7. This area is also known as "'pars triangularis ( of the inferior frontal gyrus ) " '. 8. Area 45 is a part of the anterior inferior frontal gyrus and is involved in semantic processing. 9. In response to puns, the left posterior middle temporal gyrus and the left inferior frontal gyrus were activated. 10. Following sleep deprivation there is increased activation of the left inferior frontal gyrus and the bilateral parietal lobes.