Cortical homunculus

A cortical homunculus (from Latin homunculus 'little man, miniature human'[1][2]) is a distorted representation of the human body, based on a neurological "map" of the areas and proportions of the human brain dedicated to processing motor functions, or sensory functions, for different parts of the body. 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.

A 2-D cortical sensory homunculus created by OpenStax College - Anatomy & Physiology, Connexions Website https://openstax.org/books/anatomy-and-physiology/pages/1-introduction
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