"Well, you're not alone there. Nobody does. We know what happens, but we've no idea how it happens or how to stop it happening.
The brain develops fibrous material and this appears to prevent the electrical messages getting through which are the basis of thought and memory. We have no idea." He stopped and corrected himself. "We had no idea whether the memories were destroyed or whether they were simply irretrievable. And it was irrelevant, anyway, since they were, to all intents and purposes, lost forever."
"Like the information on a crashed computer?" Tilly suggested.
"Exactly. But, you know, in many ways the human brain resembles a computer. Much more complex, obviously, but you can make comparisons."
He waved his hands about to emphasise his point. "A computer is incapable of ori
