Lab Structures - Function, Afferents and Efferent

Question 1

precentral gyrus brodmans area

Answer 1

Brodmans area 4

Question 2

Function of precentral gyrus?

Answer 2

Primary motor cortex

Question 3

Efferents into precentral gyrus?

Answer 3

BG

Cerebellum

Thalamus

Spinothalamic tracts

Question 4

What is Brodman’s area 6?

Answer 4

Premotor and supplementary motor cortex

Question 5

What is Brodman’s area 44?

Answer 5

Broca’s area (also Brodman’s 45)

Question 6

What is Brodman’s area 8?

Answer 6

Frontal Eye Fields

Question 7

What does the FEF (frontal eye fields) control?

Answer 7

Voluntary saccades to contralateral side

Question 8

Efferent for frontal eye fields?

Answer 8

Superior colliculus

(See lecture for brainstem, III IV and VI)

Question 9

Parietal eye fields efferents?

Answer 9

Superior colliculus

Reflexive saccades, same pathway as voluntary but with different inputs

Question 10

What are Brodman’s areas 1, 2, and 3?

Answer 10

Primary somatosensory cortex

Question 11

What is Brodman’s area 22?

Answer 11

Wernicke’s area

Question 12

What are Brodman’s areas 41 and 42?

Answer 12

Primary auditory cortex, on transverse temporal gyri

Question 13

What is Brodman’s area 17?

Answer 13

Primary visual cortex

Question 14

What is Brodman’s area 18?

Answer 14

Visual association cortex

Question 15

What is Brodman’s area 5?

Answer 15

Superior parietal lobe

sensory processing