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  • Title: [The effect of the central gray matter in cats on pain during electric stimulation of the aqueduct].
    Author: Spring A.
    Journal: Res Exp Med (Berl); 1984; 184(1):17-28. PubMed ID: 6729252.
    Abstract:
    In 54 cats electrical stimulation of the periaqueductal grey matter was performed by electrodes which were placed in distinct regions of the aqueduct. The influence on pain was studied by the formalin test. Motor behaviour was observed. The results show an obvious inhibition of pain reactions, which was most effective in the upper of the aqueduct. The motor functions were disturbed only in some cats with lesions of the cerebellar vermis. The advantage of this method is that it is not necessary to place the stimulating electrode into the midbrain tissue. This procedure might be appropriate for patients with severe chronic pain in face and body, in whom other surgical methods have failed.
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