[Link] First almost fully-formed human [foetus] brain grown in lab, researchers claim

ESRogs

This seems significant:

An almost fully-formed human brain has been grown in a lab for the first time, claim scientists from Ohio State University. The team behind the feat hope the brain could transform our understanding of neurological disease.

Though not conscious the miniature brain, which resembles that of a five-week-old foetus, could potentially be useful for scientists who want to study the progression of developmental diseases.

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The brain, which is about the size of a pencil eraser, is engineered from adult human skin cells and is the most complete human brain model yet developed

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Previous attempts at growing whole brains have at best achieved mini-organs that resemble those of nine-week-old foetuses, although these “cerebral organoids” were not complete and only contained certain aspects of the brain. “We have grown the entire brain from the get-go,” said Anand.

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The ethical concerns were non-existent, said Anand. “We don’t have any sensory stimuli entering the brain. This brain is not thinking in any way.”

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If the team’s claims prove true, the technique could revolutionise personalised medicine. “If you have an inherited disease, for example, you could give us a sample of skin cells, we could make a brain and then ask what’s going on,” said Anand.

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For now, the team say they are focusing on using the brain for military research, to understand the effect of post traumatic stress disorder and traumatic brain injuries.

http://www.theguardian.com/science/2015/aug/18/first-almost-fully-formed-human-brain-grown-in-lab-researchers-claim

This seems significant:

An almost fully-formed human brain has been grown in a lab for the first time, claim scientists from Ohio State University. The team behind the feat hope the brain could transform our understanding of neurological disease.

Though not conscious the miniature brain, which resembles that of a five-week-old foetus, could potentially be useful for scientists who want to study the progression of developmental diseases.

...

The brain, which is about the size of a pencil eraser, is engineered from adult human skin cells and is the most complete human brain model yet developed

...

Previous attempts at growing whole brains have at best achieved mini-organs that resemble those of nine-week-old foetuses, although these “cerebral organoids” were not complete and only contained certain aspects of the brain. “We have grown the entire brain from the get-go,” said Anand.

...

The ethical concerns were non-existent, said Anand. “We don’t have any sensory stimuli entering the brain. This brain is not thinking in any way.”

...

If the team’s claims prove true, the technique could revolutionise personalised medicine. “If you have an inherited disease, for example, you could give us a sample of skin cells, we could make a brain and then ask what’s going on,” said Anand.

...

For now, the team say they are focusing on using the brain for military research, to understand the effect of post traumatic stress disorder and traumatic brain injuries.

http://www.theguardian.com/science/2015/aug/18/first-almost-fully-formed-human-brain-grown-in-lab-researchers-claim

If you already have some idea of what the word "consciousness" means, you want to be reassured that the brain tissue in question is not conscious according to your idea.

I doubt you will let "them" define consciousness any way they wish. For example, I can say "X suffers iff X can communicate to me that it wants the current condition to stop". Will you be happy with that? Probably not.

More importantly, I want there to be a serious recognition of the ethical boundaries that are being pushed against by this kind of research due to the fact that neither I nor anyone else can yet offer any satisfactory theory of consciousness. That's the whole motivation behind my original comment, rather than the desire to advance a philosophical dogma, which seems to be what you want to impute to me.

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[Link] First almost fully-formed human [foetus] brain grown in lab, researchers claim

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[Link] First almost fully-formed human [foetus] brain grown in lab, researchers claim

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