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  • Title: The effects of decerebration and destruction of nucleus raphe magnus, periaqueductal grey matter and brainstem lateral reticular formation on the depression due to surgical trauma of the jaw-opening reflex evoked by tooth-pulp stimulation in the cat.
    Author: Clarke RW.
    Journal: Brain Res; 1985 Apr 22; 332(2):231-6. PubMed ID: 3995269.
    Abstract:
    The effects on the jaw-opening reflex evoked by tooth-pulp stimulation of surgical trauma, decerebration and the destruction of a number of nuclei associated with descending inhibition of trigeminal or spinal neurones have been investigated in the cat. Surgical preparation caused a progressive elevation of the digastric reflex threshold. After decerebration, reflex thresholds remained elevated for 8-11 h before returning to close to pre-surgical control values. Destruction of the nucleus raphe magnus and of the periaqueductal grey matter did not affect the depressed reflex in decerebrate or anaesthetized cats. Variable effects were produced by bilateral ablation of the juxta-raphe reticular formation and destruction of the rostral ipsilateral lateral reticular formation of the brainstem.
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