Broadmann Areas

Question 1

BA 4

Answer 1

Name: Primary Motor Cortex
Blood Supply:
Lateral: MCA
Medial: ACA
Function: CBO of descending UMN fibers

Question 2

BA 6

Answer 2

Name: Premotor Cortex
Blood Supply:
Lateral: MCA
Medial: ACA
Function: Motor Sequencing (playing piano/typing)

Question 3

BA 8

Answer 3

Name: Frontal Eye Fields
Blood Supply:
Lateral: MCA
Medial: ACA
Function: Eye Movements

Question 4

BA 44, 45

Answer 4

Name: Brocca’s Area
Blood Supply: MCA
Function: language

Question 5

BA 9, 46

Answer 5

Name: Dorsolateral Prefrontal Cortex
Blood Supply: MCA
9 Medial: ACA
Function: Working memory/ attention

Question 6

BA 10, 11

Answer 6

Name: Prefrontal Cortex
Blood Supply:
Lateral: MCA
Medial: ACA
Function: Executive functions such as decision making, reasoning, problem solving

Question 7

BA 3, 2, 1

Answer 7

Name: Primary Somatosensory Cortex
Blood Supply:
Lateral: MCA
Medial: ACA
Function: Conscious awareness of general somatic senses (pain)

Question 8

BA 39, 40

Answer 8

Name: Inferior Parietal Lobule (IPL)
Blood Supply: MCA
Function: Language association areas

Question 9

BA (24, 32), 23, 31, 26, 29, 30

Answer 9

Name: Cingulate Gyrus (limbic cortex)
Blood Supply: ACA
Function:
-receives Afferent fibers from the anterior nucleus of thalamus
-projects efferent fibers to the nucleus accumbens and entorhinal cortex (BA 28, 34)/ hippocampus
-regulation of emotions & motivational drives (rage, addiction)

Question 10

BA 41, 42

Answer 10

Name: Transverse Gyri of Heschl
Blood Supply: MCA
Function:
-receives auditory signals from medial geniculate nucleus (MGN) of thalamus
-perceives pitch and volume (41) as well as melodies or familiar voices (42)
-projects fibers to BA 22

Question 11

BA 22

Answer 11

Name: Wernicke’s Area
Blood Supply: MCA
Function: Language association area

Question 12

BA 28 (ventral), 34 (dorsal)

Answer 12

Name: Entorhinal Cortex
Blood Supply: PCA
Function:
-main interface between the hippocampus and neocortex
-involved in declarative memory and spatial memories

Question 13

BA 17

Answer 13

Name: Primary Visual Cortex
Blood Supply: PCA
Function:
-receives visual signals from the lateral geniculate nucleus (LGN) of thalamus for integration and perception of visual info
-sends information to secondary visual areas (BA 18, 19) for interpretation = color, motion, and depth perception