It begins with a critical examination of the screenings for Alzheimers type dementia through cognitive testing, particularly screenings where language is used. It then analyzes the various linguistic properties (morphological, syntactic and semantic) of the speech of Alzheimers patients, which can be troubling for both caregivers and their environment in general. More than a synthesis of critical linguistic reflections, Language and Neurology provokes a fruitful reflection through adjustments suggested by the acquired knowledge of textual semantics.