1. AAC Messaging, Vocabulary SLA G304 Kim Ho, PhD CCC-SLP

2. Overview Quiz Guest speaker Paul Remy Questions and answers Discussion of “Research Article” reading Lecture

3. Vocabulary Needs AAC simulation Vocabulary provided Vocabulary needed

4. Factors That Influence Vocabulary Needs Age Gender Social role Environment Type of disability Life experiences Individual differences

5. Conversation Contour Greeting Small talk Information-sharing Wrap-up remarks Farewell

6. Greetings Generic Signals: Awareness Friendliness Bid to start conversation Requires Social awareness Social status, age, gender, cultural group Formality affected

7. Small Talk Initiate and maintain conversation Cocktail party May transition to information sharing Important if partners don’t know each other or have shared information Many AAC users can’t do Types – generic/specific

8. Information Sharing Storytelling Procedural Descriptions Content-Specific Conversations

9. Storytelling Purpose Important for adults Especially important for older adults High and low tech options

10. Procedural Descriptions Detailed information Information must be related sequentially Timely and efficient Examples

11. Content-Specific Conversations Informational give-and-take Not scripted Vocabulary varies widely Unique and novel utterances Letter-by-letter or word-by-word Minspeak: http://www.prentrom.com/http://www.prentrom.com/

12. Wrap-up Remarks and Farewell Statements Signals desire or intent to end an interaction Wrap-up examples Farewell examples See Barkley AAC Center’s WWW site http://aac.unl.edu/vocabulary.html http://aac.unl.edu/vocabulary.html

13. Diverse Vocabulary Needs Spoken versus Written Communication TTR lower for spoken than written words Written vocabulary is more diverse ( McGinnis, 1991) School Talk and Home Talk Purposes of communication home v. school Vocabulary varies dramatically Age, gender, cultural variables

14. Vocabulary for Preliterate AAC Users Coverage vocabulary Context-specific communication boards Themes or levels of a SGD Developmental vocabulary Not yet “functional” For vocabulary and language growth Various structures and combinations Semantic categories

15. Vocabulary for Nonliterate AAC Users Functional, not developmental perspective Often use whole phrases Make age and gender appropriate Include some developmental vocabulary

16. Vocabulary for Literate AAC Users Word-by-word or letter-by-letter Complete messages Timing enhancement Message acceleration Fatigue reduction

17. Timing Enhancement Messages that must be fast Examples

18. Message Acceleration Speed overall communication rate Acceleration vocabulary (Vanderheiden and Kelso, 1987)

19. Fatigue Reduction May be acceleration vocabulary Time of day Analyze vocabulary patterns during periods of fatigue

20. Core vocabulary Empirical research or clinical reports 1. Successful AAC users 2. Specific individual 3. Natural speakers/writers in similar contexts

21. Fringe Vocabulary Specific or unique to the individual Examples Personalize the vocabulary Must be recommended by user or informants

22. Informants Multiple informants Examples AAC user High interest to the individual Potential for frequent use Range of semantic notions & pragmatic functions Reflect the “here and now” Potential for later multiword use Ease of production or interpretation