The dog appears confused even in familiar surroundings. The dog may get lost in his own back yard, or wander aimlessly in the house and become trapped in corners or behind furniture, shows decreased level of activity, decreased attentiveness, staring into space, decreased recognition, pacing during the night, or changed sleeping patterns, loss of house-trained faculties, anxiety, irritability, lethargy etc. Causes could be related to vestibular disorders or behavioral.
