CS&D 110 Lecture 22: Lecture 22
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Department
Communication Sci & Disorders
Course
CS&D 110
Professor
Mianisha Finney
Semester
Fall

Description
Augmentative and Alternative Communication (AAC) Augmentative and Alternative Communication (AAC) • Augmentative o Supplementing existing speech abilities • Alternative o Substituting or taking the place of speech Who can benefit from AAC? • First - we all use AAC! o Gestures o Facial expression o Texting, email, etc. • Anyone whose communication needs are not being met via speech alone • Approximately 4 million Americans have severe communication disabilities and require AAC • Prevalence is rising o >11% of preschoolers receiving special education services need AAC o An average of 24% of preschool SLPs' caseloads consist of children who need AAC • Individuals with congenital disabilities o Cerebral palsy, Autism, DD (Developmental Disorder) • Individuals with acquired disabilities o ALS, severe aphasia, TBI • Individuals who are temporarily unable to speak o Tracheotomy, Guillan Barre syndrome (virus that often leaves people unable to speak for a short period of time) Types of AAC Systems • Unaided AAC systems o Do not require any equipment o Rely on person's body ▪ Gestures, vocalizations, facial expressions, signs • Aided AAC systems o Require some external equipment o Range from simple to complex ▪ Low/light-tech: alphabet board, pencil and paper ▪ High-tech: computer based devices with voice output • Can also have a combination Unaided AAC • Gestures and vocalizations o Any use of these can be considered AAC • Manual sign systems o Some have their own syntax and grammar ▪ A
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