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In psychology, the homunculus is the proportional diagrammatic representation of the animal body in relation to its parts, represented in the somesthetic and motor cortex.In this representation, the neural area corresponding to each body portion. Just as the face has a greater number of nerves and consequently bodies of neurons, the design will have an immense face, with a small trunk, large arms with huge hands, small legs with medium feet.Sensitive homunculus: somesthetic area, located in the post-central gyrus.Motor homunculus: motor area, located in the pre-central gyrus.
