Conversation so far:
where is the homunculus located in the brain
Nerve fibres—conducting somatosensory information from all over the body—terminate in various areas of the parietal lobe in the cerebral cortex, forming a representational map of the body.
what does the parietal lobe do
The parietal lobe integrates sensory information among various modalities, including spatial sense and navigation, touch, and vision.

Question: how did the lobe get named
Self-contained rewrite: how did the parietal lobe get named