Introduction
- Ideational apraxia - patient struggles to come up with a plan/ idea for how to use objects (sequencing may be incorrect..)
- Ideational apraxia - difficulties translating an idea into movement e.g. with imitation.
Methods
- 57 patients with damage to their dominant left-hemisphere were tested on: 1) ability to process language, 2) Use objects functionally, 3) imitate meaningful gestures, and 4) imitate meaningless gestures.
Results
- The patients' ability to imitate meaningful gestures and their performance on naming/ repetition tasks appeared to be related. Whereas their imitation of meaningless gestures was correlated to the patients' comprehension.
Conclusion
- Imitation of familiar gestures relies on the language system because these gestures are linked to the corresponding lexical semantic representations.
- The angular gyrus is important for gesturing.
How does this relate to practice?
- Meaningless gestures - if a patient is unable to imitate meaningful gestures perhaps you could try new gestures which you then develop new representations for e.g. fidt/palm for yes/no.
- Increase in the use of meaningful gestures may be a positive diagnostic sign for naming/ language.
- There are two separate pathways for gesture imitation (one via semantics and one not).
- Working on gesture/ total communication may positively impact language/ naming.
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