LESIONS Flashcards
Corticospinal Fibers
Contralateral Spastic Paralysis
Pyramid
Contralateral Spastic Paralysis
Pyramidal Decussation
Bilateral Spastic Paralysis
Olive (Inferior Olivary Nucleus)
Ataxia
FG or Gracile Tubercle
Ipsilateral loss of DS from lower body T6 and down
Inferior Cerebellar Peduncle
Ipsilateral Ataxia
Superior Cerebellar Peduncle
Ataxia, Dysdindochokinesia
Dentate Nucleus
Dysdiadochokinesia
Vagal Trigone
- Loss of parasympathetics to thorax and abdomen
- Reduced gag reflex
- Dysphonia, Dysphagia
Hypoglossal Trigone
-Ipsilateral tongue paralysis
Vestibular Area
Vertigo, Nystagmus
Facial Colliculus
CN VI and CN VII ; Bell’s Palsy, Medial Strabismus
Superior Colliculus and Brachium
Lateral Strabismus, Ptosis, Myadriasis
Inferior Colliculus and Brachium
Loss of Hearing
Cerebral Aqueduct
Hydrocephalus
Periaqueductal Gray: Superior Level
Diplopia, Myadriasis, Lateral Strabismus, Ptosis
Periaqueductal Gray: Inferior Level
Weak down and in eye movements