Frontal lobe
The frontal (or prefrontal) lobe or frontal cortex, was a part of the brain located at the very front.

The frontal polar was a region in this lobe. ()

A vision quest tapped directly into the participant's frontal cortex. ()

In 2367, Dr. Beverly Crusher detected increased neural activity localized in Jean-Luc Picard's prefrontal and parietal lobes. This was due to Picard's Humanity reasserting itself after his assimilation by the Borg. ()

The Ktarian game initiated a serotonin cascade in the Human brain, explaining why people were so interested in the game. ()

In 2373, The Doctor discovered strong evidence of telepathic activity in B'Elanna Torres' frontal lobe, indicating that she was experiencing implanted memories. ()

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Brain anatomy