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10.1371/journal.pone.0151369 http://scihub22266oqcxt.onion/10.1371/journal.pone.0151369 C4786112!4786112!26963102     free     free     free Deprecated: Implicit conversion from float 229.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       PLoS+One 2016 ; 11 (3): ä Nephropedia Template TP {{tp|p=26963102|t=2016. Synchronization and Propagation of Global Sleep Spindles |pdf=|usr=}}{{26963102}} gab.com Text Synchronization and Propagation of Global Sleep Spindles JO: PLoS One http://www.kidney.de/pget.php?&tw=1&pmid=26963102 #FOAvip Sleep spindles occur thousands of times during normal sleep and can be easily detected by visual inspection of EEG signals. These characteristics make spindles one of the most studied EEG structures in mammalian sleep. In this work we considered global spindles, which are spindles that are observed simultaneously in all EEG channels. We propose a methodology that investigates both the signal envelope and phase/frequency of each global spindle. By analysing the global spindle phase we showed that 90% of spindles synchronize with an average latency time of 0.1 s. We also measured the frequency modulation (chirp) of global spindles and found that global spindle chirp and synchronization are not correlated. By investigating the signal envelopes and implementing a homogeneous and isotropic propagation model, we could estimate both the signal origin and velocity in global spindles. Our results indicate that this simple and non-invasive approach could determine with reasonable precision the spindle origin, and allowed us to estimate a signal speed of 0.12 m/s. Finally, we consider whether synchronization might be useful as a non-invasive diagnostic tool. Twit Text FOAVip Synchronization and Propagation of Global Sleep Spindles ????PLoS One http://www.kidney.de/pget.php?&tw=1&pmid=26963102 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=26963102 #FOAvip English Wikipedia <ref>{{Cite pmid|26963102}}</ref> Synchronization and Propagation of Global Sleep Spindles #MMPMID26963102 de Souza RTF; Gerhardt GJL; Schönwald SV; Rybarczyk-Filho JL; Lemke N PLoS One 2016[]; 11 (3): ä PMID26963102show ga Sleep spindles occur thousands of times during normal sleep and can be easily detected by visual inspection of EEG signals. These characteristics make spindles one of the most studied EEG structures in mammalian sleep. In this work we considered global spindles, which are spindles that are observed simultaneously in all EEG channels. We propose a methodology that investigates both the signal envelope and phase/frequency of each global spindle. By analysing the global spindle phase we showed that 90% of spindles synchronize with an average latency time of 0.1 s. We also measured the frequency modulation (chirp) of global spindles and found that global spindle chirp and synchronization are not correlated. By investigating the signal envelopes and implementing a homogeneous and isotropic propagation model, we could estimate both the signal origin and velocity in global spindles. Our results indicate that this simple and non-invasive approach could determine with reasonable precision the spindle origin, and allowed us to estimate a signal speed of 0.12 m/s. Finally, we consider whether synchronization might be useful as a non-invasive diagnostic tool. äSynchronization and Propagation of Global Sleep Spindles (epmc).pdf DeepDyve Pubget Overpricing