c-Fos induction in visceral and vestibular nuclei of the rat brain stem by a 9.4 T magnetic field

Recently, it has been shown that rats placed in a 9.4 T static magnetic field for 30 min after drinking a glucose-saccharin solution develop a conditioned taste aversion (CTA) to glucose-saccharin. We sought to identify brain stem regions that are activated by the 9.4 T magnetic field exposure using...

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Veröffentlicht in:Neuroreport 2000-08, Vol.11 (12), p.2681-2685
Hauptverfasser: Snyder, Derek J, Jahng, Jeong Won, Smith, James C, Houpt, Thomas A
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container_title Neuroreport
container_volume 11
creator Snyder, Derek J
Jahng, Jeong Won
Smith, James C
Houpt, Thomas A
description Recently, it has been shown that rats placed in a 9.4 T static magnetic field for 30 min after drinking a glucose-saccharin solution develop a conditioned taste aversion (CTA) to glucose-saccharin. We sought to identify brain stem regions that are activated by the 9.4 T magnetic field exposure using c-Fos immunohistochemistry. Rats were restrained in a 9.4 T magnet for 30 min; sham-exposed rats were restrained but not exposed to the magnetic field. The magnetic field induced significantly more c-Fos-positive cells than sham treatment in the solitary tract, parabrachial, medial vestibular, prepositus, and supragenualis nuclei. These results suggest that magnetic field exposure causes neural activation in visceral and vestibular nuclei that may promote CTA learning.
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subjects Animals
Behavior, Animal - physiology
Biochemistry and metabolism
Biological and medical sciences
Brain Stem - metabolism
Central nervous system
Fundamental and applied biological sciences. Psychology
Immunohistochemistry
Magnetics
Male
Neurons, Afferent - metabolism
Physical Stimulation
Proto-Oncogene Proteins c-fos - metabolism
Rats
Rats, Sprague-Dawley
Rotation
Tissue Distribution
Vertebrates: nervous system and sense organs
vestibular nuclei
Vestibular Nuclei - metabolism
Viscera - innervation
Viscera - metabolism
title c-Fos induction in visceral and vestibular nuclei of the rat brain stem by a 9.4 T magnetic field
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