L2: Left/right brain and language

Question 1

The Sylvian fissure is steeper in which hemisphere?

Answer 1

Right hemisphere

Question 2

The Planium temporale is larger in which hemisphere?

Answer 2

Left hemisphere

Question 3

What 6 areas are language relevant areas in the left hemisphere?

Answer 3

1. Broca’s area
2. Wernicke’s area
3. Auditory cortex
4. Angular Gyrus
5. Motor cortex
6. Arcuate fasciculus

Question 4

What us the Wernicke-Geschwind model?

Answer 4

Proposes auditory cortex processes sound structure.
Wernicke’s area accesses meaning.
Activation travels to Broca’s area through Arcuate Fasciculus.
Broca’s area accesses speech representation of the world and instructs the motor cortex to execute action

Question 5

What are symptoms of Broca’s Aphasia?

Answer 5

Slow speech, paraphasic errors, difficulty with production

Question 6

What are symptoms of Werncike’s Aphasia?

Answer 6

Cannot comprehend speech, produce meaningless speech

Question 7

What are symptoms of conduction aphasia?

Answer 7

Damage to the Arcuate Fasciculus. Cant repeat heard words.

Question 8

What is Semantic Paraphasia and Phonemic Paraphasia?

Answer 8

Semantic Paraphasia - Substituting words related in meaning

Phonemic Paraphasia - Substituting a word with a nonword that preserves at least half of the segments in the intended word

Question 9

What is Telegraphic speech?

Answer 9

Communication consisting of 2-word long sentences, often composed of a noun and verb

Question 10

What is Agrammatism?

Answer 10

Tendency to form sentences without the correct influential structure

Question 11

What did Penfield do?

Answer 11

Mapped out brain areas to create a functional map. Brought patient out of anaethesia once skull is opened and prepared.