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Sensory ataxia is distinguished from cerebellar ataxia by the presence of near-normal coordination when the movement in question is visually observed by the patient, but marked worsening of coordination when the eyes are closed.
Patients with sensory ataxia often demonstrate pseudoathetosis and Romberg's sign. They usually complain of loss of balance in the dark, typically when closing their eyes in the shower or removing clothing over the head.
Sensory ataxia can be a manifestation of sensory large fiber peripheral neuropathies and conditions causing dysfunction of the dorsal columns of the spinal cord due to a variety of disorders: infectious, auto-immune, metabolic, toxic, vascular and hereditary diseases.
- ↑ Spinazzi M, Angelini C, Patrini C (May 2010). Subacute sensory ataxia and optic neuropathy with thiamine deficiency. Nat Rev Neurol 6 (5): 288–93.
- ↑ Sghirlanzoni A, Pareyson D, Lauria G (June 2005). Sensory neuron diseases. Lancet Neurol 4 (6): 349–61.
- ↑ Moeller JJ, Macaulay RJ, Valdmanis PN, Weston LE, Rouleau GA, Dupré N (September 2008). Autosomal dominant sensory ataxia: a neuroaxonal dystrophy. Acta Neuropathol. 116 (3): 331–6.
Further reading Edit
- Bastian AJ (1997). Mechanisms of ataxia. Physical therapy 77 (6): 672–5.
Symptoms and signs: nervous and musculoskeletal systems (R25–R29, 781.0, 781.2–9)
|Primarily nervous system||
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Lesions of spinal cord and brain
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