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.
how did the parietal lobe get named
The parietal lobe's name comes from the parietal bone, which is named from the Latin paries-, meaning wall.

Question: what is the medical significance of the lobe
Self-contained rewrite: what is the medical significance of the parietal lobe