Spontaneous Visual Imagery During Meditation for Creating Visual Art: An EEG and Brain Stimulation Case Study
Frontiers in Psychology February 22, 2019 Caroline di Bernardi Luft, Ιωάννα Ζιώγα, Michael J. Banissy et al. 22 citations
In an artist who experiences vivid visual imagery during meditation, occipital gamma power (30-70 Hz) increased during the deepest meditation stages and was higher during visions than during non-vision periods. Alpha-frequency brain stimulation made her images sharper, shorter, and more frequent, but the sharpened images were too detailed for her art. Gamma and sham stimulation had no effect on imagery content. These findings suggest occipital gamma may be a neural marker of spontaneous visual imagery in experienced meditators.