Tuesday 20 July 2010

Society for Cryobiology Annual Conference



This was, incidentally, the first public representation of EUCRIO by my good self.




Time is short and this conference was long, so I'm going to talk about one particular presentation I enjoyed seeing.

Specifically, regarding cryopreparation techniques used for transmission microscopy, which include chemical fixing followed by slicing into 150+/-50nm slices.

Logically this bodes well for the plans of the Brain Preservation Society, though results have included cells horribly lysed in some samples as well as cells preserved intact, albeit in parts internally damaged. If the purpose is to create a map (as in the transmission electron microscopy, such as could be used for keeping a record of the brain) rather than restore the cell to viability (as in cryonics), this is just fine.

I would draw a parallel to someone who has suffered brain damage due to oxygen starvation; the cells aren't properly functional, but still there and in tact.

I realise this is a somewhat tenuous analogy since the cells in a brain-damaged patient are viable whereas the fixed and sliced cells now frozen are not, this is irrelevant if the object is to record, rather than directly restore.

The upshot of all this (my conclusion, not that of the speaker) is that whole brain emulation could mean that someone's recorded brain could conceivably have its data "fed into" an artificially created brain (be it cloned, bioprinted, or even non-biological) and jump-started top effectively boot up the having-been-preserved person's mind (with the assumption of the validity of the premise of anatomical basis of mind, such that the mind is a function of the information communication in the brain).

No comments:

Post a Comment