Cortical Systems

Question 1

Information from temporal retina projects to which hemisphere?

Answer 1

Ipsilateral

Question 2

In the pupillary reflex pathway, ganglion cells project directly to…?

Answer 2

Olivary Pretectal Nucleus

Question 3

Superior optic radiations carry info from what part of the visual field?

Answer 3

Lower

Question 4

Inferior optic radiations carry info from what part of the visual field?

Answer 4

Upper

Question 5

Optic radiations travel from ___ to ___

Answer 5

LGN; Primary visual cortex

Question 6

Broca’s area contains which two parts of the inferior frontal gyrus?

Answer 6

Opercular and Triangular

Question 7

What connects Broca’s and Wernicke’s areas?

Answer 7

Superior Longitudinal Fasciculus (Arcuate Fasciculus)

Question 8

Most of the output of the optic tract ends up where?

Answer 8

Lateral Geniculate Nucleus

LGN

Question 9

A small portion of the output of the optic tract ends up where?

Answer 9

Pretectum, Hypothalamus, Superior Colliculus

Question 10

The optic tract is technically not a tract because…?

Answer 10

Optic nerve develops out of the CNS; no peripheral element

Question 11

The ____ gets visual information that helps with circadian rhythm

Answer 11

Hypothalamus

Question 12

The pretectum contributes to which reflex?

Answer 12

Pupillary Light Reflex

Question 13

The pretectum is located next to the…?

Answer 13

Posterior Commissure

Question 14

The pupillary reflex provides input to both eyes through decussations at…?

Answer 14

Optic Chiasm; Posterior Commissure (Pretectum)

Question 15

If constriction input is severed at the oculomotor nerve (III), the ipsilateral eye will…?

Answer 15

Dilate (chronically)

Question 16

The optic radiations wrap around the _____ on their way to visual cortex

Answer 16

Lateral Ventricle

Question 17

Optic radiations that loop back into temporal lobe

Answer 17

Meyer’s Loop

Question 18

Lesions in visual cortex can lead to preserved vision in the fovea called…?

Answer 18

Macular Sparing

Question 19

The ____ occupies about 60% of visual cortex

Answer 19

Macula

Question 20

Cluster of cells running along the olfactory tract

Answer 20

Anterior Olfactory Nucleus

Question 21

This allows for bilateral processing of smell through the anterior commissure

Answer 21

Anterior Olfactory Nucleus

Question 22

This sits next to the anterior perforated substance and passes information from the lateral olfactory stria to the piriform cortex

Answer 22

Olfactory Tubercule

Question 23

This is the only one of the traditional sensory systems that does not go to thalamus before cortex

Answer 23

Olfaction

Question 24

The olfactory tubercule outputs to…?

Answer 24

Piriform Cortex; Amygdala

Question 25

Most of the brain is dedicated to _____ information from _____ cortices

Answer 25

Multimodal; Association

Question 26

Condition caused by SLF lesion that causes poor speech repetition

Answer 26

Conduction Aphasia

Question 27

Parietal and frontal areas are connected via…?

Answer 27

Superior Longitudinal Fasciculus

Question 28

Hemispatial neglect is usually caused by ____ cortical lesions

Answer 28

Right