The homunculus has a particularly large cortical area devoted to the face, especially the mouth. This is because it receives dense projections from the

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The homunculus, a visual representation of the body's sensory and motor cortices, has a large area devoted to the face and mouth due to dense projections from the trigeminal cranial nerve (V). This nerve is responsible for sensation in the face and motor functions such as biting and chewing, which explains the significant cortical representation.

The Homunculus Has a Particularly Large Cortical Area Devoted to the Face