Self-stimulation in the dorsal pontine tegmentum in the rat
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TL;DR
Self-stimulation behavior was examined in the pontine structures corresponding to the location of degenerative debris found after coagulation lesions of the ventral mesencephalic tegmentum and from placements in all the regions of FMP projections except the Gudden's nucleus dorsalis tegmenti.
Abstract
Self-stimulation behavior was examined in the pontine structures corresponding to the location of degenerative debris found after coagulation lesions of the ventral mesencephalic tegmentum. Part of these structures receive input from the fasciculus medialis prosencephali (FMP) fibers. Self-stimulation was not found after electrode placements in the nucleus pontis raphes or the nucleus olivaris superior. However, such behavior could be observed from placements in the substantia grisea pontis and the posterior part of the nucleus dorsalis raphes. Self-stimulation was observed from placements in all the regions of FMP projections except the Gudden's nucleus dorsalis tegmenti.