By Valerie Handweiler THE Subscribers
Memory loss is not always a sign of Alzheimer's. It can be linked to other degenerative pathologies, some more rapid than others, but also to reversible factors.
Positron emission tomography (PET) of the brain of a 60-year-old female patient with Lewy body dementia (LBD). The images show abnormally low metabolic activity (blue and green colors) in the temporal, parietal, and occipital regions.
JEAN PERRIN CENTER/SPL/SWEET AND SALTY
This article is from the magazine Les Dossiers de Sciences et Avenir n°223 dated October/December 2025.
If there's one symptom that's worrisome, it's memory loss. Is this an early sign of impending failure? Alzheimer's disease comes to mind. But other pathologies can also be involved. Some of these also cause neuronal damage in the areas of the brain responsible for storing and processing information, leading to a decline in cognitive abilities, including memory.
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