STN

Question 1

STN target

Answer 1

Dorsolateral aspect of STN

Reduction in PD and dyskinesia

Question 2

CN III

Answer 2

Medial and ventromedial to STN

Apraxia, eye deviation, dizziness

Question 3

Red Nucleus

Answer 3

Posteromedial to STN

Sweating, nausea, paresthesias, extreme discomfort

Question 4

Limbic STN

Answer 4

Ventromedial aspect of STN

Impulse changes, depression

Question 5

Frontal eye fibers of internal capsule

Answer 5

Lateral to STN

Contralateral gaze deviation

Question 6

Internal capsule

Answer 6

Lateral and anterior to STN

Ventral and dorsal to VIM

Muscle contractions, dysarthria, facial pulling

Question 7

Hypothalamus

Answer 7

Very anteromedial to STN

Flushing, sweating, autonomic responses

Question 8

Medial lemniscus

Answer 8

Posterior to STN

Ventral and posterior to VIM

Paresthesias

Question 9

Zona Incerta

Answer 9

Superior to STN

Ventral to VIM

Possible impact on dyskinesia, tremor

Question 10

Thalamus

Answer 10

Superior to STN and Zona Incerta

Possible impact on dyskinesia and tremor

Question 11

Internal capsule

Answer 11

Lateral to STN
Lateral and dorsal to VIM

Muscle contractions, dysarthria, facial pulling

Question 12

SNr

Answer 12

Ventral to STN

Possible mood changes, akinesis

Question 13

Internal capsule fibers

Answer 13

Ventral to STN

Muscle contractions