Tag: semantic dementia

April 8, 2026 / Mohammed looti

PROGRESSIVE SEMANTIC DEMENTIA

Progressive Semantic Dementia: A Review Abstract Progressive semantic dementia (PSD) is a rare form of frontotemporal dementia, which is characterized by progressive changes in language, semantics, and conceptual thinking. This review summarizes current literature on PSD, including epidemiology, clinical presentation, diagnosis, and treatment options. In addition, the review discusses the pathology of PSD, its genetic […]

November 20, 2025 / Mohammed looti

SEMANTIC DEMENTIA

Introduction to Semantic Dementia Semantic Dementia (SD) represents a highly selective and progressive impairment characterized primarily by the disintegration of conceptual knowledge, often referred to as semantic memory. This condition is classified as a major neurocognitive disorder and typically falls under the umbrella of Primary Progressive Aphasia (PPA), specifically the semantic variant (svPPA). Unlike more […]