R
Ralph Norgren
Researcher at Pennsylvania State University
Publications - 131
Citations - 15194
Ralph Norgren is an academic researcher from Pennsylvania State University. The author has contributed to research in topics: Solitary tract & Taste aversion. The author has an hindex of 60, co-authored 131 publications receiving 14814 citations. Previous affiliations of Ralph Norgren include Penn State Milton S. Hershey Medical Center & University of Pennsylvania.
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Journal ArticleDOI
The taste reactivity test. I. Mimetic responses to gustatory stimuli in neurologically normal rats
Harvey J. Grill,Ralph Norgren +1 more
TL;DR: These normative data for the intact rat can be directly compared to the taste reactivity of neurally ablated preparations which do not spontaneously feed or drink and can be utlized in determining the neural substrates necessary for the execution and regulation of ingestive behavior.
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Taste pathways to hypothalamus and amygdala
TL;DR: The electrophysiological data demonstrate that pontine gustatory units can be antidromically activated by electrodes located in or near the central nucleus of the amygdala.
Journal ArticleDOI
Projections from the nucleus of the solitary tract in the rat
TL;DR: The present results establish the existence of di-synaptic visceral afferent access to the highest autonomic integrative centers in the brain.
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Ascending central gustatory pathways.
TL;DR: The central gustatory pathways of the albino rat have been traced using a combined electrophysiological‐neuroanatomical technique.
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The taste reactivity test. II. Mimetic responses to gustatory stimuli in chronic thalamic and chronic decerebrate rats
Harvey J. Grill,Ralph Norgren +1 more
TL;DR: Based on the similarities in the ingestion and rejection responses of decerebrate and intact rats, it appears that discriminative responses to taste result from integrative mechanisms complete within, or caudal to, the midbrain.