The White Light

The White Light was a type of regeneration which typically occurred when a Time Lord's body was worn out. A simple glow enveloped the Time Lord, enabling the necessary change. (PROSE: )

An example of this was the First Doctor's renewal. (TV: ) According to an early account, in which the process was more of a rejuvination of Dr. Who's youth, with the change to his personality being a side effect, this process was described as a "strange psychological storm". (PROSE: )