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Viktor Müller and Ulman Lindenberger Lifespan differences in nonlinear dynamics during rest and auditory oddball performance Developmental Science 15

Version of Record online: 18 JUN 2012 | DOI: 10.1111/j.1467-7687.2012.01153.x

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Electroencephalographic recordings (EEG) were used to assess age-associated differences in nonlinear brain dynamics during both rest and auditory oddball performance in children aged 9.0–12.8 years, younger adults, and older adults. We computed nonlinear coupling dynamics and dimensional complexity, and also determined spectral alpha power as an indicator of cortical reactivity. During rest, both nonlinear coupling and spectral alpha power decreased with age, whereas dimensional complexity increased. In contrast, when attending to the deviant stimulus, nonlinear coupling increased with age, and complexity decreased.

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