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<p>A salt bridge is caused when there is too much electrogel in a cap, causing two electrodes to conjoin and destroying the signal. Salt bridge artifact will show up in low amplitude channel (often Fz). Typically Fz and the ground create a salt bridge, since
    they are so close together. Very often the artifact will show up in maps as asymmetry stemming at Fz or a 28Hz artifact (sometimes 16Hz) at Fz, which are subharmonics of an electrical artifact.</p>
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<div><img src="@@PLUGINFILE@@/linkears-4.png?time=1564142753887" alt="Image 1p: In this summary map, the salt bridge disrupted the Fz electrode, causing a focal high amplitude artifact, as well as questionable asymmetry and hypocoherence. Image generated from Neuroguide version 3.0.6." role="presentation" class="img-responsive atto_image_button_text-bottom" width="716" height="921"></div>
<p><i>Image 1p: In this summary map, the salt bridge disrupted the Fz electrode, causing a focal high amplitude artifact, as well as questionable asymmetry and hypocoherence. Image generated from Neuroguide version 3.0.6.</i></p>
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<div><img src="@@PLUGINFILE@@/fz-electrode.png?time=1564142814872" alt="Image 1q: In this raw recording, the salt bridge disrupted the Fz electrode, causing a low amplitude signal to arrive at the Fz channel, the active electrode in the pain of bridged electrocdes." role="presentation" class="img-responsive atto_image_button_text-bottom" width="1917" height="1100"></div>
<p><i>Image 1q: In this raw recording, the salt bridge disrupted the Fz electrode, causing a low amplitude signal to arrive at the Fz channel, the active electrode in the pain of bridged electrocdes.</i></p>
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<div><img src="@@PLUGINFILE@@/linkears-5.png?time=1564142905223" alt="" role="presentation" class="img-responsive atto_image_button_text-bottom" width="713" height="449"></div>
<p><i>Image 1r: Often with a salt bridge, a high amplitude spot at the site of the bridge (commonly Fz) will show up at 28Hz. Image generated from Neuroguide version 3.0.6.</i></p>