Language

Question 1

SIgn language production what brain networks is it, key facts

Answer 1

• Tip of the tounge is the same for BSL tip of the ifnger
• One handed signs (right hand activate sensorimotor cortex in the elft hemipshere and for 2 handed signs it is activated in both hemispheres
• for comprehensions similar to spoken language the inferior frontal cotext is engaged bilateraly (more in left )
  Supramarginal gyrus involved in encoding and retrieval of the signs (MacSweeney et al., 2008; Corina et al. 1999)

Question 2

What brain hemisphere is more linked to language?

Answer 2

• Left

Question 3

What is the two types of Alexia ?

Answer 3

Surface alexia - cannot diffrientitare between homophobic words such as flue flew flu , cannot link the surface information with meaning.

Phonological alexia - no trouble reading previously learned words but cannot read non-words or unfamiliar words

Question 4

What is agraphia?

Answer 4

ability to write lost due to brain damage

Question 5

difference between brocas are and wernickes

Answer 5

Brocas - production - dorsal stream linked to
Wernickes - comprehension

Question 6

What is meant by paraphasias (linked to Wernickes aphasia)

Answer 6

production of unintended syllables words or ohrases when trying to speak .

Question 7

What are neologisms

Answer 7

• Made up words that follow the rules of the lanagueg such as ‘tapnirp’

The is associated with Wernickes aphasia