Fig. 2From: EEG alpha reactivity and cholinergic system integrity in Lewy body dementia and Alzheimer’s diseaseAlpha reactivity analysis. a Occipital EEG signals of example control and DLB participants in eyes-closed (blue) and eyes-open (red) conditions. b Comparison of mean power spectra for eyes-closed and eyes-open conditions for the different clinical groups. Shaded areas indicate standard errors. AD, Alzheimer’s disease; DLB, dementia with Lewy bodies; HC, healthy controls; PDD, Parkinson’s disease dementiaBack to article page