Adult Ataxia (2) Flashcards
What is the most common cause of ataxia?
Damage to cerebellum
What does the cerebellum compare?
Movement to intended output
What does the cerebellum do in preparation for movement?
Predictive/anticipatory modifications
What does the cerebellum do to motor programs?
Memorizes and stores them
What are the learning roles of the cerebellum?
Motor learning and adaptation
What are the functional goals of the cerebellum?
Balance
Control of muscle tone
Accurate movements
Movement composition
Role in speech
Control of eye movement
What does damage to the cerebellum cause in muscle tone?
Low muscle tone
What is an acquired Cerebellar damage?
Stroke
Tumor
Structural
Toxicity (alcohol)
Immune mediated (MS)
Trauma
Infection
Endocrine
What is the structural problem that leads to acquired Cerebellar damage?
Agenesis and hypoplasia
What is the infection that causes an acquired Cerebellar damage?
Cerebellitis
What is the endocrine problem that causes acquired Cerebellar damage?
Hypothyroidism
What are the degenerative non hereditary Cerebellar damage?
Multiple system atrophy and idiopathic late onset Cerebellar ataxia
What are the hereditary Cerebellar damages?
Autosomal dominant disorders
Autosomal recessive disorders
X-linked disorders
What is the most common hereditary Cerebellar damage?
Friedreich ataxia (autosomal recessive disorder)
What is ataxia?
Without order or incoordination (no muscle weakness)
