Communication Sciences and Disorders 4411A/B Lecture Notes - Lecture 2: Specific Language Impairment, Speech Disorder, Vocal Folds
16 Oct 2018
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Document Summary
Classification of communication disorders: when did the disorder occur, developmental (i. e. congenital born with it, acquired (i. e. after birth, how did the disorder occur? (aetiology, organic (i. e. structural; known cause, functional (i. e. no structural cause; unknown cause) Impairments of speech: disorders of speech (sound production) Includes articulation disorder, phonological disorder, motor-speech disorders, dysarthria (slurring problems), apraxia (jumbling problems), etc: causes, e. g. , structural abnormality, phonological impairment problems in combining sounds into words, developmental (known or unknown aetiology, acquired, voice disorders. Interruption to normal, smooth flow of speech: stuttering, usually begins in childhood, can be overcome, but does persist in some individuals, other types of fluency disorders, cluttering - rare, acquired (neurogenic) can create stuttering. Language main area of impairment: aka language delay, developmental language disorder, language-based learning disability. Language impairment in context of other developmental impairment/disorder: e. g. autism spectrum disorder, developmental/intellectual disability, appears in childhood, may persist into adulthood, acquired language disorders.
