Abstract #0466
Default Mode Network (DMN) Activity during Olfactory Processing
Prasanna Karunanayaka 1 , Megha Vasavada 1 , Michael Tobia 1 , Jianli Wang 1 , Paul Eslinger 2 , and Qing X Yang 1
1
Radiology, Penn State University, Hershey,
Pennsylvania, United States,
2
Neurology,
Penn State University, Hershey, Pennsylvania, United
States
Default mode Network modulations during olfactory
processing can provide valuable information since both
networks are implicated in higher-order cognitive
processing. Network deactivation refers to a relatively
higher level of neural activity during rest conditions
(or low demand tasks) compared to active (or
high-demand) conditions. Using olfactory fMRI, we
provide direct evidence to 1) support DMN deactivation
during odor stimulation and 2) establish a functional
connection between olfactory and DMN networks to suggest
a role for higher-order cognitive processing for
olfaction.
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