Lesions of the cerebellar nodulus and uvula impair downward pursuit.

@article{Walker2008LesionsOT,
  title={Lesions of the cerebellar nodulus and uvula impair downward pursuit.},
  author={Mark F. Walker and Jing Tian and Xiaoyan Shan and Rafael John Tamargo and Howard S. Ying and D. S. Zee},
  journal={Journal of neurophysiology},
  year={2008},
  volume={100 4},
  pages={1813-23}
}
We studied sinusoidal (SIN) and step-ramp (SR) pursuit in two rhesus monkeys, before and after surgical lesions of the cerebellar nodulus and uvula (Nod/Uv). Eye movements were recorded using the magnetic field scleral search coil method. Pursuit targets were generated by an LCD projector and back-projected onto a tangent screen in an otherwise dark room. After the Nod/Uv lesions, both monkeys showed a reduced eye velocity during downward pursuit (SIN: 42% decrease in M1, 91% decrease in M2; SR… CONTINUE READING

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