Lecture 5 - Monkey Fiber Tracts - Quiz 1

Question 1

T/F - Striatal fibers from the cortical sheet project to the caudate and putamen through the external capsule

Answer 1

True

Question 2

T/F - Striatal fibers from the cortical sheet lie between cord and association fibers

Answer 2

True

Question 3

T/F - Striatal fibers from the cortical sheet project to the cerebellum

Answer 3

False

Question 4

Is the superior longitudinal fasiculus a unidirectional pathway or a bidirectional pathway?

Answer 4

Bidirectional

Question 5

Which fiber bundle functions primarily to implement goal-related motor actions?

Answer 5

Superior longitudinal fasciculus III (SLF III)

Question 6

What does the superior longitudinal fasciculus II (SLF II) mediate?

Answer 6

Spatial awareness, visual attention, and spatial working memory

Question 7

What are the three primary disorders of the uncinate fasciculus (UF)?

Answer 7

Schizophrenia, epilepsy, poor self-regulation

Question 8

T/F - The arcuate fasciculus originates in parts of the superior temporal gyrus and sulcus

Answer 8

True

Question 9

T/F - The arcuate fasciculus projects to the dorsal frontal cortex (area 8Ad, 46, and 6)

Answer 9

True

Question 10

T/F - The arcuate fasciculus is a unidirectional pathway

Answer 10

False

Question 11

T/F - The arcuate fasciculus subserves auditory spatial awareness

Answer 11

True

Question 12

T/F - The extreme capsule originates in part of the middle superior temporal gyrus and sulcus

Answer 12

True

Question 13

T/F - The extreme capsule projects to caudal orbital frontal cortex (area 9/46)

Answer 13

True

Question 14

T/F - The extreme capsule is a bidirectional pathway

Answer 14

True

Question 15

T/F - The extreme capsule links Broca’s area and Wernicke’s area

Answer 15

True

Question 16

T/F - The fronto-occipital fasciculus (FOF) originates in parts of the preoccipital and parietal area

Answer 16

True

Question 17

T/F - the fronto-occipital fasciculus (FOF) projects to the medial frontal cortex

Answer 17

False

Question 18

T/F - the fronto-occipital fasciculus (FOF) is a bidirectional pathway

Answer 18

True

Question 19

T/F - The fronto-occipital fasciculus (FOF) subserves guiding movement and attention based on peripheral visual information

Answer 19

True

Question 20

T/F - The middle longitudinal fasciculus originates in the caudal inferior parietal cortex

Answer 20

True

Question 21

T/F - The middle longitudinal fasciculus projects to superior temporal gyrus and sulcus

Answer 21

True

Question 22

T/F - The middle longitudinal fasciculus connects the caudal cingulate gyrus and parahippocampal gyrus to the upper bank of STS

Answer 22

True

Question 23

T/F - The middle longitudinal fasciculus subserves numerical calculations

Answer 23

False

Question 24

T/F - The inferior longitudinal fasciculus interconnects occipital, parietal, and temporal areas

Answer 24

True

Question 25

T/F - The inferior longitudinal fasciculus is closely related to “where/where to” the visual pathway

Answer 25

False

Question 26

T/F - The occipital projections of the inferior longitudinal fasciculus emerge from the extrastriate visual cortex

Answer 26

True

Question 27

T/F - The inferior longitudinal fasciculus provides unimodal sensory input into the parahippocampal gyrus

Answer 27

False

Question 28

T/F - The fiber tracts of the cingulum bundle lie above the corpus callosum

Answer 28

True

Question 29

T/F - The cingulum bundle has widespread connections to sensorimotor and cortical association areas

Answer 29

True

Question 30

T/F - The cingulum bundle subserves attention, autonomic phenomenon, working memory, self monitoring, and episodic memory

Answer 30

True

Question 31

T/F - Deficits in the cingulum bundle are associated with obsessive compulsive disorder and intractable pain

Answer 31

True

Question 32

T/F - The fiber tracts of the corpus callosum (CC) are contained within the left and within the right cerebral hemispheres

Answer 32

False

Question 33

T/F - The fiber tracts of the corpus callosum (CC) link the left frontal cortex with the right posterior cortex

Answer 33

False

Question 34

T/F - The fiber tracts of the corpus callosum (CC) link the right frontal cortex with the left posterior cortex

Answer 34

False

Question 35

T/F - The corpus callosum interferes with the lateralization of function

Answer 35

False