Lecture 19: Speech and Language

Question 1

is attention lateralized in the left of right parietal lobe

Answer 1

right lobe

Question 2

is language reception and expression is lateralized to the left or right side of the brain

Answer 2

left

Question 3

what is the Broca’s area

Answer 3

in frontal lobe

Activates particular sequences of sounds to produce words and sentences (language production)

Question 4

what is the Wernicke’s area

Answer 4

in the temporal lobe

Identifies and comprehends particular sequences of sounds as meaningful words.
(language comprehension)

Question 5

what is the Arcuate Fasciculus

Answer 5

Connects Broca with Wernicke

Question 6

are the Broca, Wernicke, and the arcuate fasciculus the only areas involved in language

Answer 6

they are they key structures, but Many other areas/connections are required for complex functions.

Question 7

what is aphasia

Answer 7

Lack of language abilities, but not due to purely motor problem (dysarthria) or purely sensory problem (deafness)

Question 8

what are the 2 kinds of aphasia

Answer 8

Broca (or expressive) aphasia

Wernicke (or receptive) aphasia

Question 9

what is Broca (or expressive) aphasia

Answer 9

Difficulty in saying words, but nothing wrong with muscles

Decreased fluency and phrase length

Comprehension of the speech of others is good

Question 10

what is Wernicke (or receptive) aphasia

Answer 10

Difficulty comprehending
speech

High verbal output & fluency

Can’t understand their own speech, therefore often utter “word salad”

Question 11

how does a left sided stroke affect deaf people

Answer 11

Left sided strokes cause “sign aphasia” for deaf individuals