Comparison of ave-gap and complete electrode model reconstructions when an electrode has been entirely disconnected. The target can be seen in the center of the upper portion of layer 4. (a) Ave-gap reconstruction, where electrode 15 has been disconnected. (b) CEM reconstruction, with estimated surface impedances, where electrode 15 has been disconnected. (c) CEM reconstruction, with estimated surface impedances, for a homogeneous medium, with electrode 15 disconnected.