Common Brain Lesions

Question 1

Kluver-Bucy syndrome (hyperorality, hypersexuality, disinhibited behavior); assoc. with HSV-1

Answer 1

Amygdala (BILAT)

Question 2

Disinhibition and deficits in concentration, orientation, and judgement; may have reemergence of primitive reflexes

Answer 2

Frontal lobe

Question 3

Spatial neglect syndrom

Answer 3

Right Parietal-temporal cortex

Question 4

Agraphia, acalculia, finger agnosia, and left-right disorientation (Gerstmann)

Answer 4

Left parietal-temporal cortex

Question 5

Reduced levels of arousal and wakefulness

Answer 5

Reticular activating system (MIDBRAIN)

Question 6

Wernicke-Korsakoff

Answer 6

Mamillary bodies (BILAT)

Question 7

May result in tremor at rest, chorea, or athetosis

Answer 7

Basal ganglia

Question 8

Intention tremor, limb ataxia, and loss of balance

Answer 8

Cerebellar hemisphere

Question 9

Truncal ataxia, dysarthria

Answer 9

Cerebellar vermis

Question 10

Contralateral hemiballimus

Answer 10

Subthalamic nucleus

Question 11

Anterograde amnesia

Answer 11

Hippocampus (BILAT)

Question 12

Eyes look away from side of lesion

Answer 12

Paramedian pontine reticular formation

Question 13

Eyes look toward lesion

Answer 13

Frontal eye fields