Semantic Aphasia Flashcards
(5 cards)
1
Q
Semantic aphasia
A
- people with semantic cognition problems after stroke
- semantic cog = conceptual knowledge understand the world around US
- semantic aphasia haven’t lost their knowledge (like semantic dementia) they struggle to retreive the knowledge flexibly
2
Q
Semantic cognition
A
- Brings meaning to our world + allows recognition + understanding
- concepts are multimodal
- control processes disrupted in SA
- Heteromodal concepts damaged in SD
- SA has deregulated semantic retrieval across modalities
3
Q
Evidence for differences between SD+ SA
A
- Jefferies + Lambon Ralph
- looked at semantic ability using picture + word association ( CCT), word-picture matching + environmental sounds
- when the fundamental nature of a semantic task remains constant, performance accuracy is correlated for both
- SA show poor control over semantic retrieval
4
Q
Helping retrieval of those with SA
A
- Jefferies et al
- People with SA should be highly sensitive to cues
- found in all conditions SA benefitted significantly from cues compared to SP
5
Q
Practical report
A
- stampacchia et al secondary analysis of 12 people with SA
- Baseline test, training + testing for changes in semantic retrieval
- pre + post training measures taken on camel + cactus test
- can a training task support recovery of controlled semantic retrieval
