neurobiology

Question 1

True or false: DLD and RD are distinct neurodevelopmental disorders that affect language and literacy skills and differ in neurobiological underpinnings

Answer 1

true

Question 2

what is the neurobiology of DLD?

Answer 2

basal ganglia, specifically the anterior neostriatum and Broca’s

Question 3

what is the neurobiology of RD?

Answer 3

superior longitudinal fasciculus
arcuate fasciculus
inferior longitudinal fasciculus

Question 4

What is a similarity in the neurobiology of both RD and DLD?

Answer 4

both have decreased gray matter in the left hemisphere and reduced strength in white matter tracts

Question 5

what is the importance of the Arcuate fasciculus

Answer 5

supports phonological processing and awareness

Question 6

what is the importance of the Inferior longitudinal fasciculus?

Answer 6

includes visual word form area, important for mapping visual word information with meaning

Question 7

what is the importance of the Superior longitudinal fasciculus

Answer 7

-maps phonemic representations to motor representations