Brodmann Areas

Question 1

BA 4 Primary Motor area fxn

Answer 1

“Precentral gyrus”
Execution of motor function

Question 2

Lesion of BA 4

Answer 2

Flaccidity

Question 3

BA 6: Premotor area fxn

Answer 3

“Secondary Motor area”
Refinement, initiation, modulation, coordination of movement

Question 4

Lesion of BS 6

Answer 4

Spasticity, akinesia, incoordinaiton

Question 5

BA 8: Frontal eye field fxn

Answer 5

conjugate eye movements

Question 6

Lesion of BA 8

Answer 6

Frontal gaze palsy; head turning to lesion to compensate

Question 7

BA 9, 10, 11, 12: Prefrontal areas

Answer 7

“seat of intelligence”
personality and behavior

Question 8

BA 44 and 45: Broca’s Area fxn

Answer 8

“Motor Speech Area”

Question 9

Location of BA 44 and 45

Answer 9

Third frontal convolusion

Question 10

Lesion of BA 44 and 45

Answer 10

Broca’s aphasia
IMPAIRED:
naming, fluency, repetition, writing
INTACT:
reading and auditory comprehension

Question 11

Broca’s Aphasia other names?

Answer 11

Naming aphasia
Anterior aphasia
Motor aphasia
Expressive aphasia

Question 12

BA 3, 1, 2: Primary sensory/somesthetic area fxn

Answer 12

“postcentral gyrus”
interprets pain and temperature

Question 13

Lesion of BA 3, 1, 2?

Answer 13

Anesthesia

Question 14

BA 5 and 7: Secondary Sensory Area fxn

Answer 14

Interprets sensation other than pain and temperature (proprioception, kinesthesia, barognosis, 2 pt discrimination, vibration)

Question 15

BA 39: Angular gyrus fxn

Answer 15

L and R orientation
Math ability
reading, naming, writing

Question 16

Lesion of BA 39?

Answer 16

Gertsman syndrome
- impaired L and R discrimination
- finger agnosia
- agraphia s alexia
- acalculia

Question 17

BA 40: Supramarginal gyrus

Answer 17

Assist with language processing and comprehension

Question 18

Lesion in BA 40

Answer 18

Ideomotor apraxia

Question 19

BA 43: Gustatory Area fxn

Answer 19

sense of taste

Question 20

Lesion in BA 43?

Answer 20

Agnosia, ageusia

Question 21

BA 17: Primary visual area

Answer 21

“Striate cortex”
sense of sight

Question 22

Lesion in BA 17?

Answer 22

unilateral: C/L homonymous hemianopsia
bilateral: cortical blindness

Question 23

BA 18 and 19: Secondary Visual area fxn

Answer 23

Interprets images perceived by BA 17

Question 24

BA 18 and 19 lesion?

Answer 24

Visual agnosia (prosopagnosia), color agnosia (dyschromatopsia), Balint’s syndrome

Question 25

Balint’s syndrome triad?

Answer 25

Simultanagnosia
Optic ataxia
Oculomotor ataxia

Question 26

BA 41 and 42: Primary auditory area

Answer 26

“Heschl’s Gyrus”
Interprets basic characteristics of sound (pitch and rhythm)

Question 27

BA 41 and 42 lesion

Answer 27

unilateral: C/L deafness
bilateral: cortical deafness

Question 28

BA 22 (R): Auditory association area

Answer 28

interprets sounds except language

Question 29

BA 22 (L): Wernicke’s area

Answer 29

interprets language