Electrode turns consciousness on and off
Woman lost awareness, though appeared awake, when her brain was stimulated
![brain scans of epileptic woman](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/07/ls_Pages-from-Koubeissi-brain-stim-consciousness-Epilepsy-and-Behavior.jpg?fit=860%2C460&ssl=1)
OFF SWITCH An electrode (red circle) used to stimulate a brain site near an epileptic woman’s claustrum (highlighted in yellow) appears on these brain scans. When the electrode was turned on, she appeared to lose consciousness.
M. Koubeissi et al/Epilepsy & Behavior 2014