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. Author manuscript; available in PMC: 2014 Aug 1.
Published in final edited form as: Prog Brain Res. 2014;210:217–253. doi: 10.1016/B978-0-444-63356-9.00009-1

FIGURE 2.

FIGURE 2

Impaired adaptation in patients with cerebellar ataxia. (A) Top: Control participants learned to counter a 20° perturbation (dark shaded area) with either pointing (left) or shooting movements (right) and showed a large aftereffect. Bottom: Patients with ataxia were unable to counter the perturbation and showed a smaller aftereffect. (B) The adaptation rate, as measured by a state–space model, was similar for the two types of movements. The adaptation rates for the patients cluster near the lower values for both tasks.