A bilateral deep brain stimulator for insertion into a brain, the brain having two hemispheres, comprising: a first shaft having a first plurality of electrodes arranged thereon, the first shaft inserted into one hemisphere of the brain; a first plurality of depth graduated bands disposed on the first shaft above the first plurality of electrodes; a second shaft having a second plurality of electrodes arranged thereon, the second shaft inserted into the other hemisphere of the brain; a second plurality of depth graduated bands disposed on the second shaft above the second plurality of electrodes; a pulse generator; a first line electrically connecting the pulse generator to the first shaft; a second line electrically connecting the pulse generator to the second shaft.
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