Neuroanatomy Draw It To Know It

23. Eye Movements 421

DRAWING 23-5 Smooth Pursuit

Abducens nucleus (CrN 6)

Dorsolateral pontine

nucleus (DLPN)

Vestibulocerebellum &

dorsal vermis

M ganglion retinal cells

Lateral geniculate

nucleus

Primary visual

cortex (V1)

Frontal eye Visual area V5a Visual area V5

fields

Posterior parietal

cortex

Nucleus reticularis

tegmenti pontis (NRTP)

Posterior

Left

Anterior

Right

PONS

AXIAL VIEW

TEGMENTUM

BASIS

HIGH

PONS

4th

DLPN

UPPER

PONS

4th

NRTP

MID TO LOW

PONS

4th

CrN6

Medial vestibular

nucleus (medulla)

LEFT RIGHT

TARGET movement from:

(detection)

Left Right