A path towards brain rejuvenation: the effect of chronic physical activity on EEG slow-wave activity in mice

Introduction: Physical activity is beneficial for health. It has been shown to improve brain functioning and cognition, reduce severity of mood disorders as well as promote healthy sleep and healthy aging. We recently found that aged mice have increased absolute electroencephalogram (EEG) slow-wave activity (SWA, EEG power density between 0.75-4.0 Hz) during non-rapid eye movement (NREM) sleep compared to young controls, suggesting changes in brain connectivity in the course of aging.

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