The synapses are the important part. The other information can be inferred or reconstructed. But your memories and behaviors are stored in the connections and weights of synapses.<p>His test is extremely unrealistic. No one is claiming to have the technology <i>now</i> to be able to revive cryopreserved brains. All we can do is try to preserve as much information as possible so future technology will have more to work with.