Challenges in sleep stage R scoring in patients with Autosomal Dominant spinocerebellar ataxias (SCA1, SCA2 and SCA3) and Oculomotor abnormalities: A whole night Polysomnographic evaluation

Spinocerebellar ataxias are progressive neurodegenerative disorders characterized by progressive cerebellar features with additional neuro-axis involvement. Oculomotor abnormality is one of the most frequent manifestations. This study was done to assess the polysomnographic abnormalities in patients with Spinocerebellar ataxia (SCA1, SCA2 and SCA3) and also to evaluate whether oculomotor abnormalities interfere with sleep stage R scoring.

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