Does Thena have dementia?

Excuse me, but could you please clarify for me the context in which "Thena" is being discussed? Assuming that "Thena" is a person and the question "Does Thena have dementia?" is being raised, I would like to pose a few follow-up questions in order to better understand the situation. Firstly, what are the observable symptoms or behaviors that have led to the question of dementia being raised for Thena? Have there been any notable changes in their cognitive abilities, such as memory loss, confusion, or difficulty with everyday tasks? Secondly, has Thena undergone any medical evaluations or assessments to confirm or rule out a diagnosis of dementia? If so, what were the results of these evaluations? Lastly, it's important to note that dementia is a complex and multifaceted condition, and its diagnosis requires a thorough and comprehensive evaluation by a qualified medical professional. Therefore, it's essential to avoid making assumptions or speculations about someone's health status without proper medical evidence.