PSYC 3230 Lecture Notes - Lecture 11: Motor Speech Disorders, Speech Disorder, Dysarthria
4 Apr 2016
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Document Summary
By 2. 6 years, 50% of speech should be intelligible to a stranger. By 3. 6 years, 80% of speech should be intelligible to a stranger. Dysarthria: motor speech disorder involving weakness/loss of function of muscles of the mouth, face and respiratory system. Damage to cns, which results in motor dysfunction. Apraxia: oral-motor speech disorder that affects sequencing of sounds into syllables and words. Problem of motor planning but not motor weakness. Some children are born tongue-tied at birth. Phonological delay: patterns of speech such as fronting of velars and final consonant deletion. Six stages of communication and language development. Smiling, crying, fussing, looks, laughs, babbles, changes pitch and loudness, body moves, facial expression, reaches, moves. Looks to make eye contact, few single words, sounds with meaning, gestures, pointing, acts out what she wants to say, etc. Children with autism are distinct because they do not do these things at this age.
