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Family that solely walk on all fours leave scientists baffled as they 'shouldn't exist'

Home> News> World News

Updated 09:59 29 Nov 2024 GMTPublished 20:16 22 Nov 2024 GMT

Family that solely walk on all fours leave scientists baffled as they 'shouldn't exist'

Six members of the Ulas family were discovered walking around using their arms and legs

Callum Jones

Callum Jones

Featured Image Credit: 60 Minutes Australia/ YouTube

Topics: World News, Health, BBC, Documentaries

Callum Jones
Callum Jones

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A family in Turkey walk on their arms and legs and scientists may finally understand why.

Six members of a family living in Turkey all walk on all fours and in a bid to figure out why, scientists decided to delve into their biology, history and lifestyle for a documentary titled The Family That Walks On All Fours.

The Ulas family quickly went viral after a bunch of Turkish scientists wrote a medical paper about them.

Evolutionary psychologist professor Nicholas Humphrey headed up the team who looked into the family.

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And the team were left shocked when they discovered that of 18 children born into the Ulas family, six of them had a 'unique disability' which resulted in them walking on all fours.

While the Turkish scientists thought that the family had 'devolved', professor Humphrey found that conclusion to be 'deeply insulting' and 'scientifically irresponsible', saying as much in a 2006 BBC documentary.

Scientists were left baffled (60 Minutes Australia/ YouTube)
Scientists were left baffled (60 Minutes Australia/ YouTube)

Instead, he set about trying to find some other answer than the reversal of the evolution process localized within one family in Turkey.

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Neurological scans showed that the middle of the cerebellum appeared to be 'shrunk', but that provided no conclusive answers as people with smaller or even no cerebellums could still walk upright.

Fossil experts in New York analyzed the way they walked on all fours, finding that it was not at all consistent with the way evolutionary ancestors did, while a team at Liverpool University found that their skeletons were different to other humans.

Scientists appeared stumped as to what exactly was the cause for all of this.

When he returned to visit the Ulas family again, Professor Humphrey found that their children could now walk upright after being given help from a physiotherapist and equipment.

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The Ulas family became viral (60 Minutes Australia/ YouTube)
The Ulas family became viral (60 Minutes Australia/ YouTube)

It wasn't until years later that a team of Danish scientists finally found the answer as to why members of the family were walking on all fours.

Scientists from Aarhus University in 2014 found that the cause was something called Cerebellar Ataxia, Mental Retardation and Dysequilibrium Syndrome (CAMRQ).

Science Nordic states CAMRQ is a very rare syndrome that derives from an incredibly rare mutation which prevents proteins from distributing molecules of fat properly.

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That results in defective nerve cells, brain damage and loss of balance, which would explain why the family walked on all fours as their balance wasn't good enough to walk upright.

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