Meanings of increase delta in English

The HTR was associated with increased delta and decreased theta power in both M1 and dorsal striatum.

Moreover, increased deltaNp63alpha expression induced cellular senescence that was rescued by Sirt1.

Effective forms of ECT resulted in increased delta power in prefrontal regions, and this change was associated with the magnitude of symptomatic improvement.

Sleep onset began with increased delta and theta power and decreased alpha-1 power in the occipital lobe, and increased theta power in the parietal lobe.