Abstract #2034
Functional MRI of the main and accessory olfactory system in the whole rodent brain
Eric R. Muir 1 , Linlin Cong 1 , KC Biju 2 , William E. Rogers 1 , Robert A. Clark 3 , and Timothy Q. Duong 1
1
Research Imaging Institute, University of
Texas Health Science Center, San Antonio, TX, United
States,
2
Department
of Medicine, University of Texas Health Science Center,
San Antonio, TX, United States,
3
Institute
for integration of Medicine & science and South Texas
Veterans Health Care System, University of Texas Health
Science Center, San Antonio, TX, United States
The olfactory system in most mammals consists of the
main and the accessory olfactory systems. The main
olfactory bulb receives input from the olfactory
epithelium which senses volatile odors, while the
accessory olfactory bulb receives input from the
vomeronasal organ which senses pheromones. The accessory
olfactory system plays an important role in rodents, but
a single fMRI study investigating only the olfactory
bulb of odor and pheromone stimulation has been
performed to our knowledge. The aim of this study was to
investigate fMRI responses to odor and urine (which
contains pheromones) in the entire olfactory network of
the mouse brain.
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