CEREBELLAR DISORDERS

 

SIGNS OF CEREBELLAR DYSFUNCTION

 

Ataxia

(Video 1, 2)

 

Dysdiadochokinesia

(Video 1, 2)

 

Dysmetria (limb ataxia)

(Video 1, 2, 3)

 

Limb ataxia and tremor

(Video 1, 2, 3, 4)

 

 Dysarthria

 

Pendular knee jerk
 

 

Ocular motor abnormalities

 

Cerebellar eye signs

 

Ocular dysmetria

 

Ocular flutter

Elliptical nystagmus

 

Down-beat nystagmus

 

Up-beat nystagmus

 

Periodic Alternating nystagmus

 

Ocular palatal myoclonus

 

CEREBELLAR DISORDERS

 

Spinocerebellar ataxia 

(video 1, 2, 3, 4, 5, 6, 7, 8)

Episodic ataxia, type 2

 

Fragile X tremor-ataxia syndrome

(Video 1, 2)

 

Friedreich’s ataxia

(Video 1, 2, 3)

 

 

 

Ataxia-telangiectasia

(Video 1, 2, 3, 4)

Autosomal recessive spastic ataxia of Charlevoix-Saguenay

(Video 1, 2)

 

Ataxia with oculomotor apraxia

(Video 1, 2, 3, 4)

 

Cerebellar ataxia with neuropathy and vestibular areflexia syndrome (CANVAS)

(Abnormal visually enhanced VOR)

(Video 1, 2

Ataxia in multiple system atrophy (MSA)

(Video 1, 2)

 

Paraneoplastic neurologic syndrome

(cerebellar involvement)

(Video 1, 2, 3)

Autoimmune cerebellar and braistem degeneration

(Video 1, 2, 3)

POLG-associated ataxia

(Video 1, 2)