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. 2017 Dec 11;93(10):772–801. doi: 10.2183/pjab.93.049

Figure 9.

Figure 9.

Saccade records in a patient with spinocerebellar degeneration (SCD) with pure cerebellar manifestation. Saccade records of patients with SCD at various stages of progression (2nd to 4th traces) are shown in comparison with those of a normal subject (top traces). Conventions as in Fig. 7. Note the variable amplitude across trials for both visually guided saccades (VGSs) and memory-guided saccades (MGSs). In SCD patients, hypometria is evident in VGSs, whereas hypermetria is also observed in some trials for MGSs.