Residual Voltage Analysis for the Development of Efficient Stimulation Methodology in Integrated Circuits

Ł. Kadłubowski, P. Kmon (AGH Univ. of Science and Techn., Poland)

This paper discusses fast artifact recovery-related issues regarding the parameters of microelectrode arrays in systemsforsimultaneous,multichannelstimulationandrecording of neural cells. The results of area-independent parameterization of planar, circular, platinized microelectrodes are presented. Simulation results are described that show the influence of parameters of microelectrode and biphasic stimulus pulse on the residual voltage of the electrode, which is the main determinant of artifact’s duration. The results are planned to be applied in the development of integrated circuit for fast transition between the phases of stimulation and recording.