coordination exercises for brain injury patients

Hi,

I need to come up with a program to work on coordination with a patient who has experienced a traumatic brain injury. He is a level 5 on the Ranchos Los Amigos Scale, he has poor sitting balance and weak abdominals.

I need to develop a program for him now and I need to develop progressions for him that he may be able to do within a month or two.

Any ideas for coordination exercises? They can be done in lying or sitting in a chair (and eventually standing for the progression?)

Thanks,
Physio10