Dans cet épisode, on fait le point sur ce qu'est le vieillissement et comment ce processus peut devenir pathologique. On dit alors que les animaux souffrent d'un "syndrome de dysfonctionnement cognitif" et les symptômes de ce syndrome sont comportementaux : désorientation, anxiété, changement du rythme de sommeil, vocalisations etc.

Bibliographie

• Bellows, Jan, et al. "Aging in cats: common physical and functional changes." Journal of Feline medicine and surgery 18.7 (2016): 533-550. 
• Gunn-Moore, Danièlle A. "Cognitive dysfunction in cats: clinical assessment and management." Topics in companion animal medicine 26.1 (2011): 17-24. 
• Bellows, Jan, et al. "Evaluating aging in cats: How to determine what is healthy and what is disease." Journal of Feline medicine and surgery 18.7 (2016): 551-570. 
• Harvey, Naomi D. "How old Is my dog? identification of rational age  groupings in pet dogs based upon normative age-linked processes." Frontiers in Veterinary Science 8 (2021): 643085. 
• Sordo, Lorena, and Danièlle A. Gunn‐Moore. "Cognitive dysfunction in  cats: Update on neuropathological and behavioural changes plus clinical  management." Veterinary Record 188.1 (2021): e3. 
• Landsberg, Gary M., Theresa DePorter, and Joseph A. Araujo. "Clinical  signs and management of anxiety, sleeplessness, and cognitive  dysfunction in the senior pet." Veterinary Clinics: Small Animal Practice 41.3 (2011): 565-590. 
• Landsberg, Gary M., Jeff Nichol, and Joseph A. Araujo. "Cognitive  dysfunction syndrome: a disease of canine and feline brain aging." Veterinary Clinics: Small Animal Practice 42.4 (2012): 749-768.