Scientists find new brain region that may be unique to humans

Ученые заявили об открытии нового участка человеческого мозга

Ученые заявили об открытии нового участка человеческого мозга

At the base of the skull, near where the brain meets the spinal cord, neuroscientists have found a previously unknown region of the brain.

This new area was first discovered when Professor Paxinos combined chemical stains with the latest imaging techniques on one of his maps of the human brain.

The Endorestiform Nucleus lies within the inferior cerebellar peduncle, a part of the brain that integrates sensory and motor information and enables refined posture, fine motor movements, and balance.

In a procedure called therapeutic anterolateral cordotomy, which is a surgery to achieve relief from incurable and extreme pain by cutting the spinal pathways, he and his team noticed that the long fibers from the spine looked as if they were ending about the location where the endorestiform nucleus was found.

"The outdoor area is a group of neurons, and this is how the island in the pond".

"It is recipient of information from the spinal cord and it probably relays this information to the cerebellum", Paxinos explained.

"I can only guess as to its function, but given the part of the brain where it has been found, it might be involved in fine motor control", says Professor Paxinos.

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Professor Paxinos identified the region nearly 30 years before, but due to lack of better techniques, he was unable to make it clear.

Professor George Paxinos, of Neuroscience Research Australia, who found the segment commented in a statement: "The region is intriguing because it seems to be absent in the rhesus monkey and other animals that we have studied".

Paxinos had hints of the endorestiform nucleus' existence for decades.

"What is important is that this area is absent in monkeys and other animals". The endorestiform nucleus may thus be unique to humans, although it is still too early to know for sure. It could therefore aid researchers who are working towards cures for neurological conditions such as Parkinson's and motor neuron disease, the scientist said. In the future, Paxinos and colleagues plan to study the brains of chimpanzees in search of the nucleus.

And so far, the Endorestiform Nucleus appears to be unique to humans. "Now that it has been mapped, it will be possible for it to be studied by the wider research community", he added.

The finding has not yet been peer-reviewed, according to Science Alert.

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