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Manual motor-plan similarity affects lexical recall on a speech-generating device: implications for AAC users
Elena Dukhovny1, Susanne Gahl2
1California State University, East Bay, Hayward, CA, United States.
Journal of Communication Disorders
|March 18, 2014
Summary
Individuals using high-tech augmentative and alternative communication (AAC) devices may experience modality interference in short-term recall. This impacts working memory models and clinical applications for AAC users.
Area of Science:
- Cognitive Psychology
- Speech and Language Pathology
Background:
- Language production using augmentative and alternative communication (AAC) devices relies on motor sequences influenced by device visuo-spatial features.
- Understanding short-term memory in AAC users is crucial for optimizing communication strategies.
Purpose of the Study:
- To investigate modality interference in short-term recall for users of speech-generating devices (SGDs).
- To explore theoretical implications for working memory models.
- To discuss clinical applications of motor memory in AAC.
Main Methods:
- Utilized traditional short-term memory tasks.
- Assessed device-based output from AAC devices.
- Analyzed recall performance in typical talkers.
Main Results:
- Observed a trend toward device-specific modality interference in short-term recall.
- Results suggest visuo-spatial characteristics of AAC devices affect memory recall.
Conclusions:
- Early findings indicate modality interference in short-term recall for AAC users.
- Results have implications for working memory theories and clinical practice in AAC.
