12 - Neurolinguistics Flashcards
What is Broca’s area responsible for and where is it found?
- Speech production
- Left frontal lobe
What is Wernicke’s area responsible for and where is it found?
- Speech comprehension
- Left hemisphere: posterior temporal lobe
What is the arcuate fasciculus?
Neural pathways connecting Broca’s and Wernicke’s areas
What are symptoms of Broca’s aphasia?
- Impaired production of linguistic forms:
- Impaired articulation
- Laboured speech production
- Comprehension better than production
- Ability to read but limited writing abilities
What are symptoms of Wernicke’s aphasia?
- Impaired ability to comprehend the meaning of linguistic forms
- Able to produce fluent speech, although not always comprehensible to others
- Often wrong choices of words
- Difficulty reading and writing
What are symptoms of conduction aphasia?
- Damage to the arcuate fasciculus
- Difficulty transferring what person hears/comprehends to production area
- Mispronunciation of words
- Fluent but interrupted rhythm
- Good comprehension
- Difficulty repeating words
What are the 3 forms of slips of the brain?
- Perservation
- Anticipation
- Exchange
What is the ‘perservation’ slip of the brain?
One sound is carried over to the next word
What is the ‘anticipation’ slip of the brain?
A sound is used before its occurrence in the next word
What is the ‘exchange’ slip of the brain?
Sounds change places e.g. stick neff for stiff neck
What are some characteristics of left brain dominance?
- Remembers names
- Responds to verbal instructions
- Prefers certain information
- Prefers talking and writing
- Prefers multiple choice tests
- Favours logical problem solving
What are some characteristics of right brain dominance?
- Remembers faces
- Responds to illustrated or symbolic instructions
- Prefers uncertain information
- Prefers drawing and manipulating objects
- Prefers open-ended questions
- Favours intuitive problem solving
What is malapropism?
A speech error where one word is used instead of another word with a similar beginning and end sound, and number of syllables e.g. medication instead of meditation
