Bilingual aphasia; Speech pathology (biling.) ; BAT ; Case study (pathol.) ; Pathologische Sprachproduktion; Pathological language production; Speech production (pathol.) ; Screening (speech therapy) ; Assessment criterion (speech therapy) ; Clinical linguistics ; Language comprehension (pathol.) ; Processability theory; Language comprehension (second language acquisition) ; Canada (English language in) ; Kanada (engl. Sprache in) ; English in Canada ; Frankokanadisch; Franco Canadian; Kanada (fr. Sprache in) ; Canada (French language in) ; French in Canada