Snape's Memories Again

[potioncat]

No: HPFGUIDX 135667

:
> Gatta:
> 
> Why is it that when we are shown Snape's memories (OotP, hb U.S. 
ed.), both when he is teaching Harry Occlumency (p. 592) and in the 
Pensieve (pp. 640-649), Snape appears "in the third person", as it were?
> That is, from the outside, even though it is Snape doing the 
remembering?

Potioncat:
In Occlumency lessons Harry's memories are also third person. He 
sees "young Harry" watching Dudders ride a bike, and sees himself 
running from Digger. I think it's just the technique JKR chose.