[reasonattlm]

They don't freeze, they vitrify. That's a very big difference.

http://www.alcor.org/cryomyths.html#myth2

We can debate the degree to which cryoprotectant perfuses the brain outside a laboratory test of tissue, but vitrification appears to preserve the fine structure of tissue very well:

http://www.brainpreservation.org/competitors/

There is evidence of synaptic preservation in preserved and restored nematodes:

http://dx.doi.org/10.1089/rej.2014.1636

[eli_gottlieb]

Well, they resuscitated a nematode. That's... actually worth updating my view of how well they can preserve things. I should go ask people for help interpreting that paper.