Activations were mainly left - sided and involved the left supplementary motor area and supramarginal and posterior superior temporal gyri, the last two overlapping with the temporal parietal junction that has been associated with out - of - body experiences. (en.wikipedia.org)
Supplementary motor area stimulation for Parkinson disease: A randomized controlled study. (aetna.com)
On the structural side, individuals who are perceived as having an online game addiction show significant gray matter atrophy in various areas of the brain (right orbitofrontal cortex, bilateral insula, and right supplementary motor area) once examined on brain MRI studies. (mindbodygreen.com)