Abstract
Cerebellar induced spinal fixation was studied in two experiments. In Experiment 1, cerebellar lesions were used to initiate post-spinal-section retention of a postural asymmetry. Bilateral dorsal root rhizotomy performed 45 min after cerebellar lesion failed to disrupt the fixated asymmetry, thus suggesting that muscle feedback to the spinal cord was not necessary for maintenance of the fixation effect. Experiment 2 demonstrated spinal fixation with 50 min of cerebellar stimulation. Effective stimulation sites included anterior cerebellar vermian cortex and the fastigial nucleus.
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The research presented here was supported by National Institute of Neurological and Communicative Disorders and Stroke Grants NS10647 and NS14545, the American Osteopathic Association Bureau of Research Grant 81-80-023, and the Ohio University College of Osteopathic Medicine.
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Steinmetz, J.E., Beggs, A.L., Cervenka, J. et al. Long-lasting alterations of postural asymmetry induced by cerebellar lesion and stimulation in rats. Psychobiology 12, 9–13 (1984). https://doi.org/10.3758/BF03332157
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DOI: https://doi.org/10.3758/BF03332157