Abstract：
:Electroencephalography (EEG) is a non-invasive technique for monitoring electrical activity and has good time resolution. Combining these advantages of EEG with dipole-tracing analysis incorporating a realistic three-layer head model (scalp-skull-brain head model; SSB/DT) allows for the detection of dipoles in the millisecond range and investigation of the processing of cognitive function and movement execution. In this study, we constructed a scalp-skull-brain head model from Montreal Neurological Institute standard brain images and detected dipole localizations in the millisecond range from grand-averaged negative slope (NS) to motor potentials during a simple pinching movement. The left movement activated the presupplementary motor area (pre-SMA), rostral cingulate cortex and rostral premotor area, which are associated with cognitive functions and self-initiated decisions. These areas were associated with the early NS potential during left pinching movement preparation. The right movement activated the caudal cingulate cortex, pre-SMA and caudal premotor area, and these areas were activated just before the execution of movement.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Inoue M,Masaoka Y,Kawamura M,Okamoto Y,Homma Idoi
10.1016/j.neulet.2008.03.082subject
Has Abstractpub_date
2008-05-30 00:00:00pages
82-7issue
2eissn
0304-3940issn
1872-7972pii
S0304-3940(08)00415-1journal_volume
437pub_type
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