Their first report in 1990 shows that 16 family members were affected by severe abnormality, characterised by difficulty to speak effectively, understand complex sentences, unable to learn sign language, and that the condition was genetically inherited (autosomal dominant).
Their initial report in 1990 indicates that 16 family members were affected by severe abnormalities, characterized by speech difficulties, comprehension challenges of complex sentences, inability to learn sign language, and the condition was genetically inherited (autosomal dominant).