Sprachfehler; Language attrition (pathol.) ; Language loss (pathol.) ; Sprachverlust (pathol.) ; Speech pathology ; Error analysis (pathol.) ; Morbus Alzheimer ; Pathologische Sprachproduktion; Pathological language production; Speech production (pathol.) ; Inhaltswort; Content word; Open class word; Closed class word; Function word/Content word ; English