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Changes of Motor Deactivation Regions in Patients with Intracranial Lesions
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논문 기본 정보

Type
Academic journal
Author
Lee, Seung Hwan (Department of Neurosurgery, College of Medicine, Kyung Hee University) Koh, Jun Seok (Department of Neurosurgery, College of Medicine, Kyung Hee University) Ryu, Chang-Woo (Department of Radiology, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University)
Journal
대한신경외과학회 대한신경외과학회지 대한신경외과학회지 제54권 제6호 SCOPUS
Published
2013.1
Pages
453 - 460 (8page)

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Changes of Motor Deactivation Regions in Patients with Intracranial Lesions
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Objective : There is a rich literature confirming the default mode network found compatible with task-induced deactivation regions in normal subjects, but few investigations of alterations of the motor deactivation in patients with intracranial lesions. Therefore, we hypothesized that an intracranial lesion results in abnormal changes in a task-induced deactivation region compared with default mode network, and these changes are associated with specific attributes of allocated regions. Methods : Blood oxygenation level dependent (BOLD) functional magnetic resonance imaging (fMRI) during a motor task were obtained from 27 intracranial lesion patients (mean age, 57.3 years; range 15-78 years) who had various kinds of brain tumors. The BOLD fMRI data for each patient were evaluated to obtain activation or deactivation regions. The distinctive deactivation regions from intracranial lesion patients were evaluated by comparing to the literature reports. Results : There were additive deactivated regions according to intracranial lesions : fusiform gyrus in cavernous hemangioma; lateral occipital gyrus in meningioma; crus cerebri in hemangiopericytoma; globus pallidus, lateral occipital gyrus, caudate nucleus, fusiform gyrus, lingual gyrus, claustrum, substantia nigra, subthalamic nucleus in GBM; fusiform gyrus in metastatic brain tumors. Conclusion : There is increasing interest in human brain function using fMRI. The authors report the brain function migrations and changes that occur in patients with intracranial lesions.
#Default mode #Functional MRI #Motor task #Deactivation #Intracranial lesion

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References (18)

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Allison JD / 2000 / Functional MRI cerebral activation and deactivation during finger movement / Neurology 54:135~142 google schola Beckmann CF / 2005 / Investigations into resting-state connectivity using independent component analysis / Philos Trans R Soc Lond B Biol Sci 360:1001~1013 google schola Biswal B / 1995 / Functional connectivity in the motor cortex of resting human brain using echo-planar MRI / Magn Reson Med 34:537~541 google schola Buckner RL / 2008 / The brain’s default network : anatomy, function, and relevance to disease / Ann N Y Acad Sci 1124:1~38 google schola Cordes D / 2000 / Mapping functionally related regions of brain with functional connectivity MR imaging / AJNR Am J Neuroradiol 21:1636~1644 google schola

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