title: The selective impairment of semantic memory.
mesh_terms: D000368:Aged; D000377:Agnosia; D001307:Auditory Perception; D005260:Female; D006801:Humans; D007360:Intelligence; D007802:Language; D008297:Male; D008568:Memory; D008875:Middle Aged; D012660:Semantics; D014796:Visual Perception