Abstract #3518
The additively deactivated regions during a motor task in intracranial tumor patients show modulations of functional connectivity within the default mode network
Geon-Ho Jahng 1 , Seung Hwan Lee 2 , Chang-Woo Ryu 1 , Jun Seok Koh 2 , Dal-Mo Yang 1 , Kyung-Nam Ryu 3 , Dong-Wook Sung 3 , and Woo-Suk Choi 3
1
Radiology, Kyung Hee University Hospital at
Gangdong, Seoul, Korea,
2
Stroke
and Neurological Disorders Center, Kyung Hee University
Hospital at Gangdong, Seoul, Korea,
3
Radiology,
Kyung Hee University Hospital, Seoul, Korea
The default mode network (DMN) region is compatible with
task-induced deactivation regions in the study of
functional imaging data. Only a few studies investigated
alterations of the default mode network or deactivations
in patients with intracranial lesions. To investigate
the alterations of the motor deactivation regions in
patients with intracranial lesions compared with the
normal status of brain, motor-tasked fMRI data obtained
from twenty-seven patients with intracranial lesions
were analyzed. There were widespread deactivations in
response to the right and left motor tasks. In addition,
there were 10 patients who exhibited additive motor
task-induced deactivated regions.
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