Evidence for central phenomena participating in the changes of responses of ventrobasal thalamic neurons in arthritic rats.

Abstract

In this study performed in the Freund's adjuvant-induced arthritic rat, a local injection of lidocaine in one hind paw strongly depressed the ventrobasal thalamic neuronal responses to mild stimulation of both ankles. In parallel, a behavioral study provided evidence for a bilateral hypoalgesia, tested by the vocalization threshold to paw pressure, after a… (More)

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