Typical signs include: unsteadiness or staggering, forgetting commands or failure to recognize familiar people, unexplained aggressiveness or puppy - like behavior, development
of obsessive behaviors, loss
of bladder control, change in appetite, loss
of hearing or sight,
seizures, labored breathing, or whimpering or head shaking, loss
of bladder control, change in appetite, loss
of hearing or sight,
seizures, labored breathing, or whimpering or head shaking.