Regular brain training and lifelong learning create positive emotions and can slow down mental deterioration in old age. (laurelwoodvets.com)
Many of the symptoms of feline dementia can also be signs of other cat health problems, so it may be difficult to determine if your elderly cat is suffering mental deterioration. (best-cat-art.com)
Because many a great man (and woman) have found themselves overcome with boredom, anxiety, depression, and all manner of mental deterioration during such periods of career transition. (careerdigital.com)