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  • Title: Determination of optimal electrode positions for transcranial direct current stimulation (tDCS).
    Author: Im CH, Jung HH, Choi JD, Lee SY, Jung KY.
    Journal: Phys Med Biol; 2008 Jun 07; 53(11):N219-25. PubMed ID: 18490807.
    Abstract:
    The present study introduces a new approach to determining optimal electrode positions in transcranial direct current stimulation (tDCS). Electric field and 3D conduction current density were analyzed using 3D finite element method (FEM) formulated for a dc conduction problem. The electrode positions for minimal current injection were optimized by changing the Cartesian coordinate system into the spherical coordinate system and applying the (2+6) evolution strategy (ES) algorithm. Preliminary simulation studies applied to a standard three-layer head model demonstrated that the proposed approach is promising in enhancing the performance of tDCS.
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