Electrode and Headgear Design for Accurate TDCS

................................................................................................................... 2 ACKNOWLEDGEMENTS ............................................................................................... 4 CHAPTER I .................................................................................................................... 6 Introduction to Brain Stimulation ................................................................................. 6 CHAPTER II ..................................................................................................................10 Brain Stimulation Methods .........................................................................................10 ECT ........................................................................................................................11 TMS .......................................................................................................................12 DBS ........................................................................................................................13 TDCS .....................................................................................................................13 Do It Yourself TDCS ...............................................................................................16 Safety ........................................................................................................................18 TDCS Cellular Models ...............................................................................................19 TDCS Finite Element Models .....................................................................................23 CHAPTER III .................................................................................................................24 Design .......................................................................................................................24 Previous TCDS Setup ............................................................................................24 New Electrode Design ............................................................................................25 New Headgear Design ...........................................................................................25 Fabrication Methods ...............................................................................................27 Different Montages .................................................................................................29 CHAPTER IV .................................................................................................................31 Results .......................................................................................................................31 Accuracy and Replicability of the Easystrap ...........................................................31 Studies Using Headgear .........................................................................................32 CHAPTER V ..................................................................................................................33 Conclusion .................................................................................................................33 References ....................................................................................................................35