This page should be merged.
It should be relocated at Neuron implosion because they are the same thing. "Neuron" is what he actually says in the episode.
Talk about it here or check the revision history for additional comments.
A neural implosion was a potential side effect of regeneration.
A while after his tenth regeneration, the Tenth Doctor stated "[he was] having a neural implosion", due to Rose Tyler having woken him up too soon. It was healed by the aroma of tea. (TV: The Christmas Invasion)