Gaze Lesions
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11 Terms
what is it when you cannot move eye in that direction; have the inability to cross midline?
gaze palsy
what is it where eyes sit at rest, can move in both directions?
gaze preference
L abducens nucleus controls?
horizontal L gaze
R abducens nucleus controls?
R horizontal gaze
what is wrong way eyes?
damage to thalamus or brain stem (pons) and FEF; eyes deviate towards weakness away from lesion
what is right way eyes?
they look towards the lesion and away from weakness
lesion in R CN VI (right abducens nerve)
CN VI palsy, right eye cannot move right
lesion in R abducens nucleus
right lateral gaze palsy, can’t move any further to the R
lesion in parapontine reticular formation
right PPRF, right lateral gaze palsy, cannot go any further right
lesion in medial longitudinal fasciculus
L MLF, nystagmus
lesion in abducens nucleus and both MLF tracts
L MLF and L abducens nucleus, nystagmus
Note 
Flashcards (49)