The soundtrack is excellent, but the limited variety means that if
a puzzle takes you a little longer than others, you will hear the same bit over and over again.
Cognitive processing naturally slows down somewhat in aging, your older dog may
take a few more repetitions before getting a new trick, or spend a
little longer figuring out a new
puzzle toy, but more serious confusion and disorientation may be related to a disorder known as Canine Cognitive Dysfunction or CCD, a canine disorder similar to Alzheimer's disease in human beings.