White matter Flashcards
1
Q
what are fasciculi
A
a group of axons that travel in the same direction (white matter tract)
2
Q
what is the purpose of diffusion MRI
A
neuroimaging technique to show the axons of the brain and color codes them depending on their average direction
3
Q
what are commissural fibres
A
mostly connect the left and right hemispheres but they are also found within the hemisphere
4
Q
what are association fibres
A
go from anterior to posterior - connect one cortical area to another
5
Q
what are projection fibres
A
axons that are ascending/descending (ex: the axons that do from the motor cortex to the spinal cord) A
6
Q
At what age has the brain developed to 90% of its adult volume
A
6
7
Q
A
