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Part I, published in the journal eLife, the focus lies on the anatomy of the somatosensory regions and its connectivity.

"Concomitantly, the rodents regain lost somatosensory functions, something that around 60 per cent of all stroke patients experience today. The most remarkable result is that the treatment began several days after a stroke," Wieloch continues.

They positioned it over the somatosensory cortex, which processes touch, and confirmed that appropriate signals registered when the animal's snout was stimulated.

When the rat’s e-skin was touched, a pulse was transmitted by a wire to the rat’s brain – specifically, an area called the somatosensory cortex, which is responsible for processing physical sensations.

The skin was connected through a wire to the rat’s somatosensory cortex — the part of the brain responsible for processing physical sensations.