Brain degeneration - Definition

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Brain degeneration is the total or partial deterioration of certain tissues and cells that make up the brain. These are called neurodegenerative diseases (central) as they affect the central nervous system. The affected areas deteriorate at different rates, until they cannot perform their function, which leads to various consequences for the patient: memory loss, more or less severe dementia, loss of ability to move... Many diseases cause brain degeneration, Alzheimer's disease and Parkinson's disease are the most well-known.