Activity • Affected • Aging • Alpha • Associated • Been • Blood • Cerebellum • Cognitive • Control • Cortex • Decrease • During • Eeg • Evidence • External • Eyes • Frequency • Function • Happiness • Heart • Hippocampus • Increased • Individuals • Influenced • Irregular • Language • Magnetic • May • Memory • Movement • Mri • Non • Observed • Oscillates • Particularly • Physical • Prefrontal • Processing • Regions • Rhythmical • Some • Spatial • Suggest • Tends • Tests • There • Variety • Various • Whereas