Advantages of visual signs? (3)
What is the goal of enhanced input?
for the partner to model the use of the device
Limitations of manual signs? (3)
Computerized devices with graphic symbols that produce synthetic or digitized speech
Speech generating devices
Advantages of speech generating devices (SGDs) (3)
Limitations of speech generating devices? (1)
expensive
“Aided picture based augmentative system designed for individuals who are nonverbal or have limited verbal abilities”
Systematically implemented intervention to increase requests, initiations, and comments
Who: Individuals who have limited functional communication and/or expressive language
Picture exchange communication system (PECs)
Administrator of PECs
clinician, teacher, or parent
environment for PECs
school, clinic, home
Phase 1 of PECS
teaching student to request a desired object. Requires two teachers. Done at a table
Phase 2 of PECS
student required to request desired objects from a distance with multiple communication partners
Phase 3 of PECs
student learns to request desired object by selecting picture from an array of pictures
PECS stage 4
Student learns to request desired objects using complete sentences
PECS stage 5
Student learns to answer questions using PECS icons, pictures, and words
PECS stage 6
Students learn to use PECS system to make comments
Strengths of graphic communication systems
Examples of expressive graphic communication systems (4)
4 different types of communicative competencies
4 Reasons for communicating
Communication rate can depend on what four things
symbols used on boardmaker
PCS (Picture communication symbols)
Widget symbols
Pictograms
Blissymbols