Convergence of input from tongue and palate to the parabrachial nucleus neurons of rats
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Cited by (53)
Macroscopic Connection Of Rat Insular Cortex: Anatomical Bases Underlying Its Physiological Functions
2011, International Review of NeurobiologyCitation Excerpt :This region overlaps with regions that are activated by the stimulation of the chorda tympani, lingual, glossopharyngeal, and palatal nerves (Yamamoto and Kawamura, 1979; Yamamoto et al., 1980). In contrast to the properties of neurons in the pontine parabrachial nuclei (Ogawa et al., 1982) and nucleus of the solitary tract (Ogawa and Hayama et al., 1984), many gustatory neurons have wide receptive field (Yamamoto et al., 1984), suggesting that gustatory information in the oropharyngeal region is integrated in the IC. In monkey IC, there are quite a few gustatory neurons that respond specifically to one of the four basic tastants: i.e. sucrose, NaCl, HCl, and quinine (Ito and Ogawa, 1994).
Orosensory deprivation alters taste-elicited c-Fos expression in the parabrachial nucleus of neonatal rats
2010, Neuroscience ResearchCentral Neural Processing of Taste Information
2008, The Senses: A Comprehensive ReferenceDual separate pathways for sensory and hedonic aspects of taste
2004, Brain Research BulletinOral and gastric input to the parabrachial nucleus of the rat
2002, Brain ResearchCitation Excerpt :Increased convergence in PBN, manifested by larger receptive fields compared to those in the NST, appears to be a general attribute of PBN processing. Thus, compared to the NST, a higher percentage of neurons in the PBN responded to stimulation of both the tongue and palate [28], the anterior and posterior oral cavity [15], or to both vagal and splanchnic nerve stimulation [43]. Likewise, convergence between visceral and taste afferents not evident in the NST [19], was demonstrated in the PBN with electrical stimulation of the vagus combined with anterior tongue stimulation [20].
Cooling lesions of the lateral parabrachial nucleus during LiCl activation block acquisition of conditioned taste avoidance in male rats
2002, Brain ResearchCitation Excerpt :Because the lesioned animals were unable to learn an avoidance to a nongustatory stimulus as well as a gustatory stimulus, these authors suggested that the lesions disrupted ascending visceral processing and not taste processing. However, neuroanatomical and electrophysiological studies have shown that orosomatic inputs that are transmitted through the trigeminal nerve also project to the parabrachial nuclei [10,36]. In addition, the lesioned animals in the Reilly and Trifunovic study [48] failed to demonstrate neophobia to both the gustatory and trigeminal stimuli.