Darian sat, hunched and unresponsive on the far side.
His doctor, Conrad Murray, says that Jackson was at home when the doctor discovered him unresponsive and not breathing.
The dog's behavior at this point is extremely detached and unresponsive.
Signs of trouble include many residents who are sad or unresponsive, poorly groomed, and bad odors in the residence areas.
Stage Four - The person will become unresponsive or mute during this time as dementia sets in.