Augmentative and alternative Communication

types of alternative and augmentative communication opportunities for students with communication disorders.

1. Augmentative and Alternative Communication (AAC) Aided and Unaided Symbolic Communication Unit Overview

2. Learning Outcomes Describe aided and unaided forms of symbolic communication Select appropriate symbols for case studies Identify considerations for designing displays Determine vocabulary content of systems

3. What is AAC? Definition: enhances or replaces speech/writing Purpose: support effective communication Categories: Aided vs. Unaided

4. Unaided Communication Natural gestures Facial expressions Eye gaze

5. Sign Systems Manual signs Home signs Cued speech

6. Sign Language Complete linguistic system Examples: ASL, BSL Unique grammar

7. Makaton Signs Uses speech + signs + symbols Supports children with communication difficulties

8. Aided Communication Requires external tools Examples: picture boards, Braille, devices

9. Symbol Selection Iconicity (easy recognition) Culturally relevant Age-appropriate

10. Braille Tactile symbol system Six-dot cell patterns Supports literacy for blind learners

11. Symbol Display & Organization Grid layout Core vs. fringe vocabulary Accessibility

12. Vocabulary Selection Core vocabulary: frequent use Fringe vocabulary: specific needs Context-based

13. Electronic Displays Speech-generating devices Apps & tablets Dynamic displays

14. Non-Electronic Displays Communication boards Symbol books Durable and low-tech

15. PECS (Picture Exchange Communication System) Learner exchanges picture to communicate Six phases of training Used with ASD

16. Picture Communication System Visual schedules Symbol charts Daily routines support

17. Designing Displays Size and portability Motor and sensory needs Context of use

18. Case Studies & Practice Symbol selection activity Vocabulary selection exercise Role-play scenarios

19. Review & Summary Unaided vs aided communication Symbol/vocabulary selection AAC systems Design considerations

20. Discussion & Reflection Group discussions Reflection questions Implementation challenges