History of linguistics (20th century) ; Neurolinguistics ; Erblichkeit; Heredity; Grammar gene; FOXP2; Language and genetics ; Kognitive Neurowissenschaft; Cognitive neuroscience; Neuropsychology ; Sprachfehler; Language attrition (pathol.) ; Language loss (pathol.) ; Sprachverlust (pathol.) ; Speech pathology ; Williams syndrome