Speech and Hearing Science Commons^™

Sensitivity To Probabilistic Orthographic Cues To Lexical Stress In Adolescent Speakers With Autism Spectrum Disorder And Typical Peers, Joanne Arciuli, Rhea Paul

Communication Disorders Faculty Publications

Lexical stress refers to the opposition of strong and weak syllables within polysyllabic words and is a core feature of the English prosodic system. There are probabilistic cues to lexical stress present in English orthography. For example, most disyllabic English words ending with the letters “-ure” have first-syllable stress (e.g., “pasture”, but note words such as “endure”), whereas most ending with “-ose” have second-syllable stress (e.g., “propose”, but note examples such as “glucose”). Adult native speakers of English are sensitive to these probabilities during silent reading. During testing, they tend to assign first-syllable stress when reading a nonword such as …