Lecture 9 - aphasia and reading Flashcards
Name 4 kinds of aphasia
Broca
Wernicke
Anomic
Conduction (can produce and comprehend, but can’t name or repeat)
If you have global aphasia what can’t you do?
Produce speech
Comprehend speech
Repeat
Name
If you have conduction aphasia which brain areas donyounhave and which are lesioned?
You have wernicke and Broca’s areas, but you have a lesioned arcuate fasciculus which is white matter between the two of them.
To repeat you need both comprehension and production
What is syntax?
What is lexicon?
What is semantics?
Syntax is the rules for forming grammatical sentences
Lexicon are the set of words that you know
Semantics is general world knowledge of things like categories of words, like cat and dog Are both animals
What are the three streams in the brain?
Perceptual stream -ventral and dorsal
Action stream - unconcious/ unaware how we reach for a cup but we are able to
Language stream - made up term by Quoc
What are three aspects of reading aloud?
Correctly reading words aloud without comprehending them
Read non words that follow pronunciation rules (spig)
Read irregular English words (yacht, colonel)
What does the dual route model of reading aloud look like?
Written word
Visual analysis
⬇️. ⬇️
Visual word form system Print to sound conversion
↙️. ↙️
Semantic systems
↘️
Phonological output lexicon
⏬
Speech
Which is the third route in the triple route of the triple route model of reading that WLP is evidence for?
Written word
Visual analysis
⬇️. ⬇️
Visual word form system Print to sound conversion
↙️. ⬇️✏️ ↙️
Semantic systems
↘️
Phonological output lexicon
⏬
Speech
If you are shown the word dog how would it be read if it was in the print to sound conversion route?
D O G
The phonetics
Don’t really understand it you can just say it
If you are shown the word dog what would happen in the visual word form system and semantic Route?
Understand the marks on the page Mental lexicon Semantics like animal, barks, fluffy How to pronounce it Speech
Why must WLP be the third route (not print to sound and not semantic)?
She can say irregular words like colonel that aren’t just print to sound
But she doesn’t understand what she’s reading so it can’t be semantic
So she must only be able to recognise a word and know how to pronounce it but not its meaning
What is phonological dyslexia a deficit in?
Can’t read unfamiliar words or non words
Print to sound conversion is impaired
What is surface dyslexia an impairment in?
Can’t read irregular words, direct visual shapes output route is impaired
What is deep dyslexia an impairment of?
Most severe
Characteristics of both surface and phonological
With a wide range of errors
