A 3 CNS Topography

Question 1

Supramarginal gyrus and angular gyrus function?

Answer 1

Language processing

See pic, these are posterior to postcentral gyrus. Think sensory & processing language.

Question 2

Post-central gyrus function?

Answer 2

Primary somatosensory

Question 3

Pre-central gyrus function?

Answer 3

Primary motor

Question 4

Broca’s function?

Answer 4

Speech

See pic, is ant. to pre-central gyrus. Think motor & speaking.

Question 5

Temporal function?

Answer 5

Hearing, language, visual, memory

• -Transverse temporal gyrus=primary auditory cortex
• -Superior temporal gyrus=has Wernicke’s area (speech understanding)

Question 6

Occipital function?

Answer 6

vision

Question 7

Limbic components?

Answer 7

• Cingulate gyrus & Isthmus
• Parahippocampal gyrus
• Uncus

Question 8

Limbic function?

Answer 8

Emotion, basic drives, smell, memory

Question 9

Insula function?

Answer 9

Taste, emotional aspect of pain,visual & auditory, visceral sensation

Question 10

Hippocampus function?

Answer 10

Spatial memory

Question 11

Amygdala function?

Answer 11

Associating emotion w/ non-emotional stimuli

Question 12

Basal ganglia function?

Answer 12

Coordination/ Refining of movement

Question 13

Thalamus function?

Answer 13

Relay board for sensory & motor

Question 14

Hypothalamus function?

Answer 14

Integrates autonomic, endocrine, limbic functions

Question 15

Midbrain function?

Answer 15

• Sup. colliculus: eye movement reflexes (like turning toward flash of light)
• Inf. colliculus: relay in auditory path
• CN 3, 4 (nuclei)

Question 16

Pons function?

Answer 16

-CN 5,6,7 (nuclei)

Question 17

Medulla function?

Answer 17

• Pyramids (voluntary motor)

- CN 8-12 (nuclei)

Question 18

Cerebellum function?

Answer 18

-Refine/ coordinate/ remember movement

Question 19

Parietal lobe function?

Answer 19

Sensation
Language
Spacial orientation

Question 20

What is the function of the insular lobe?

Answer 20

Taste
Visceral sensation
Emotional aspect of pain

Question 21

What is the function of the epithalamus?

Answer 21

Circadian rhythm

Question 22

Which CN nuclei lie in the midbrain?

Answer 22

CN 3&4

Question 23

Which 2 structures should we know that Are in the periostial layer of the dura matter?

Answer 23

Sensory meningeal nerves (trigeminal)

Middle meningeal artery

Question 24

Which layer forms the dural Venus sinuses? What about the falx cerebri and tentorum cerabelli?

Answer 24

The meningeal layer of the dura

Same.

Question 25

T/F the arachnoid matter is avascular?

Answer 25

True

Question 26

Dentriculate ligaments and the terminal filum are formed by what?

Answer 26

Pia matter