Event Abstract Back to Event Lifespan differences in phase synchronization and nonlinear dynamics Viktor Müller1* and Ulman Lindenberger1 1 Max Planck Institute for Human Development, Germany Using electroencephalographic recordings (EEG), we assessed age-associated differences in linear and nonlinear brain dynamics during auditory oddball performance in children aged 9.0–12.8 years, younger adults, and older adults. We used phase locking index (PLI) and phase coherence (PC) to determine phase synchronization within and between the electrodes, and applied nonlinear algorithms measuring dimensional complexity and nonlinear coupling dynamics. From childhood to old age, phase synchronization during oddball performance increased within and between the electrodes accompanied by increase of the nonlinear coupling and the stronger decrease of dimensional complexity. We conclude that the cortical dynamics of perceptual processing undergo substantial reorganization from childhood to old age, and propose that lifespan age differences in linear and nonlinear dynamics during stimulus processing reflect basic changes in the functional organization of neuronal cell assemblies across the lifespan. Keywords: Aging, EEG Conference: XI International Conference on Cognitive Neuroscience (ICON XI), Palma, Mallorca, Spain, 25 Sep - 29 Sep, 2011. Presentation Type: Poster Presentation Topic: Poster Sessions: Cognitive Aging Citation: Müller V and Lindenberger U (2011). Lifespan differences in phase synchronization and nonlinear dynamics. Conference Abstract: XI International Conference on Cognitive Neuroscience (ICON XI). doi: 10.3389/conf.fnhum.2011.207.00609 Copyright: The abstracts in this collection have not been subject to any Frontiers peer review or checks, and are not endorsed by Frontiers. They are made available through the Frontiers publishing platform as a service to conference organizers and presenters. The copyright in the individual abstracts is owned by the author of each abstract or his/her employer unless otherwise stated. Each abstract, as well as the collection of abstracts, are published under a Creative Commons CC-BY 4.0 (attribution) licence (https://creativecommons.org/licenses/by/4.0/) and may thus be reproduced, translated, adapted and be the subject of derivative works provided the authors and Frontiers are attributed. For Frontiers’ terms and conditions please see https://www.frontiersin.org/legal/terms-and-conditions. Received: 15 Nov 2011; Published Online: 28 Nov 2011. * Correspondence: Dr. Viktor Müller, Max Planck Institute for Human Development, Berlin, Germany, vmueller@mpib-berlin.mpg.de Login Required This action requires you to be registered with Frontiers and logged in. To register or login click here. Abstract Info Abstract The Authors in Frontiers Viktor Müller Ulman Lindenberger Google Viktor Müller Ulman Lindenberger Google Scholar Viktor Müller Ulman Lindenberger PubMed Viktor Müller Ulman Lindenberger Related Article in Frontiers Google Scholar PubMed Abstract Close Back to top Javascript is disabled. Please enable Javascript in your browser settings in order to see all the content on this page.