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Aiden has learnt a new trick - he has worked out that he has (some) control over his hands - or to be precise: his right hand.

With almost superhuman concentration, he can raise it slowly from hip level until it reaches his head. It is great to see his determination as he struggles to control his wobbly limb and the satisfaction when it reaches its destination is accompanied by his throwing the limb away again, for the whole process to begin again.