Probing the temporal dynamics of movement inhibition in motor imagery.
Probing the temporal dynamics of movement inhibition in motor imagery. Brain Res. 2019 Jun 25;:146310 Authors: Solomon JP, Kraeutner SN, Bardouille T, Boe SG Abstract Beyond the lack of overt movement in motor imagery (MI), MI is thought to be functionally equivalent to motor execution (ME). Two theories appear viable to explain the neural mechanism underlying the inhibition of movement in MI, with one suggesting the inhibition of movement in MI occurs early in the planning process, and the other suggesting it occurs after the planning for movement is compete. Here we sought to generate evidence related to the timing of movement inhibition in MI. Participants performed a motor task via MI and ME that had distinct preparation and performance phases, with brain activity obtained throughout. Analysis of sensor-level data was performed to isolate event related desynchrony (ERD) in the mu and beta frequency bands in both a sensorimotor and left parietal region of interest (ROI). The magnitude of ERD in the sensorimotor ROI was significantly greater in ME than MI during both the preparatory and performance phases. The reduced ERD in the mu and beta frequency bands in the sensorimotor ROI during the preparatory phase for MI, compared to ME, suggests that movement planning is inhibited (or at least reduced) in MI, contributing to the lack of movement occurs during the process of movement planning. While past work has shown that the networks of functional brain a...
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Review of "Atlas of Artifacts in Clinical Neurophysiology," by William O. Tatum, IV Atlas of Artifacts in Clinical Neurophysiology by William O. Tatum , IV, Demos Medical Publishing, 2018 , 419 pages. ISBN: 9780826169341 . E-book ISBN: 978-0826169358 . List Price: $185.00; Amazon New: $154.02; Amazon Used: $144.00; Kindle: $129.36. Neurodiagn J. 2019 Aug 23;:1-2 Authors: Clark-Bash RJ PMID: 31441708 [PubMed - as supplied by publisher]
Authors: Moosavian SP, Arab A, Mehrabani S, Moradi S, Nasirian M Abstract Background: Several studies have investigated the effect of omega-3 fatty acids and vitamin E on oxidative stress and inflammation, but their findings are inconsistent. The aim of this meta-analysis is to elucidate the overall effects of co-supplementation with omega-3 fatty acids and vitamin E on oxidative stress and inflammation. Methods: We searched titles, abstracts, and keywords of relevant articles indexed in PubMed, ISI, Scopus, and Google Scholar databases up to December 2018 to identify eligible RCT studies. Random effects model was...
Conclusion: These results provide a potential mechanism involving AMPK activation/ROS inhibition signaling pathway in osteogenic differentiation of BMSCs enhanced by resveratrol. It suggests that development of therapy towards ROS is an effective way for osteoporosis treatment. PMID: 31438780 [PubMed - in process]