<br>
<ul>
    <li>The higher the amplitude, with increasing frequency, the greater the chances that its muscle imitating beta.</li>
    <li>Usually one or two channels </li>
    <li>Frontalis artifact arrives at Fp2 &amp; Fp2</li>
    <li>Temporalis and massater artifact arrives at T3/T4, F7 and F8</li>
    <li>Occipitalis artifact arrives at O1 and O2</li>
</ul>
<br>
<div><img src="@@PLUGINFILE@@/emg.png?time=1564591360275" alt="Figure 1f: A stray line of high amplitude in the beta frequencies in a spectrum denotes deviant amplitude and is often an indicator that one electrode is picking up EMG." class="img-responsive atto_image_button_text-bottom" width="453" height="411"></div>
<p><i>Figure 1f: A stray line of high amplitude in the beta frequencies in a spectrum denotes deviant amplitude and is often an indicator that one electrode is picking up EMG.</i></p>
<br>
<h5><b>Massater Muscle (Chewing) Artifact (50–60 Hz)<br></b></h5>
<br>
<div><img src="@@PLUGINFILE@@/massater.png?time=1564140872778" alt="Figure 1g: The massater muscle is responsible for mastication of food and can create high amplitude beta artifact in EEG data." class="img-responsive atto_image_button_text-bottom" width="381" height="377"></div>
<p><i>Figure 1g: The massater muscle is responsible for mastication of food and can create high amplitude beta artifact in EEG data.</i></p>
<br>
<p>See a video of massater muscle artifact here.</p>
<p style="text-align: center;"><iframe src="https://player.vimeo.com/video/358114382" width="640" height="380" frameborder="0" allow="autoplay; fullscreen" allowfullscreen=""></iframe></p>
<br>
<h5><b>Occipital Muscle Artifact (Posterior EMG) (20–300 Hz)</b></h5>
<br>
<div><img src="@@PLUGINFILE@@/artifact-muscle.gif" alt="Figure 1h: The occipitalis muscles are two rectangular-shaped muscles on the back of the skull, which can give pronounced EMG artifact at the O1 and O2 electrode sites." class="img-responsive atto_image_button_text-bottom" width="240" height="240"></div>
<p><i>Figure 1h: The occipitalis muscles are two rectangular-shaped muscles on the back of the skull, which can give pronounced EMG artifact at the O1 and O2 electrode sites.</i></p>
<br>
<div><img src="@@PLUGINFILE@@/emg-artifact.png?time=1564141541047" alt="Figure 1i: Summary page of a Quantitative EEG showing occipitalis EMG artifact. Image generated from Neuroguide version 3.0.6." role="presentation" class="img-responsive atto_image_button_text-bottom" width="716" height="951"></div>
<p><i>Figure 1i: Summary page of a Quantitative EEG showing occipitalis EMG artifact. Image generated from Neuroguide version 3.0.6.</i></p>
<br>
<p>See a video of occipitalis muscle artifact here.&nbsp;</p>
<p style="text-align: center;"><iframe src="https://player.vimeo.com/video/358114425" width="640" height="382" frameborder="0" allow="autoplay; fullscreen" allowfullscreen=""></iframe><br></p>
<br>

<div class="mrow">
    <div class="mcol-sm-6 text-center">
        <h5><b>Temporalis Muscle Artifact (40–80Hz)</b></h5>
        <p>The temporalis muscle elevates, retracts, and moves the jaw from side to side.</p>
        <div><img src="@@PLUGINFILE@@/temporalis.png?time=1564141213287" alt="Figure 1j: The temporalis muscle is a large fan-shaped muscle that covers the sides of the skull." role="presentation" class="img-responsive atto_image_button_text-bottom m-max-height"></div>
        <p><i>Figure 1j: The temporalis muscle is a large fan-shaped muscle that covers the sides of the skull.</i></p>
    </div>
    <div class="mcol-sm-6 text-center">
        <h5><b>Frontalis (wrinkling forehead) 30–40Hz</b></h5>
        <br><br>
        <div><img src="@@PLUGINFILE@@/frontalis.png?time=1564141288057" alt="Figure 1k: The frontalis muscle is responsible for much of our expression, wrinkling the forehead and furrowing the brow. Muscle artifact from the frontalis muscle will affect Fp1, Fp2, and Fz electrodes, but may also affect F7, F8 and Fz electrodes." role="presentation" class="img-responsive atto_image_button_text-bottom m-max-height"></div>
        <p><i>Figure 1k: The frontalis muscle is responsible for much of our expression, wrinkling the forehead and furrowing the brow. Muscle artifact from the frontalis muscle will affect Fp1, Fp2, and Fz electrodes, but may also affect F7, F8 and Fz electrodes.</i></p>
    </div>
</div>
<br>
<p>See a video of frontalis muscle artifact here.&nbsp;</p>
<p style="text-align: center;"><iframe src="https://player.vimeo.com/video/358114494" width="640" height="383" frameborder="0" allow="autoplay; fullscreen" allowfullscreen=""></iframe></p>
<br>
<div><img src="@@PLUGINFILE@@/linkears.png?time=1564141620674" alt="Figure 1l: Summary page of a Quantitative EEG showing frontalis EMG artifact. Image generated from Neuroguide version 3.0.6." role="presentation" class="img-responsive atto_image_button_text-bottom" width="712" height="956"></div>
<p><i>Figure 1l: Summary page of a Quantitative EEG showing frontalis EMG artifact. Image generated from Neuroguide version 3.0.6.</i></p>
<br>
<div><img src="@@PLUGINFILE@@/linkears-2.png?time=1564141695313" alt="Figure 1m: The temporalis muscle can generate artifact in the temporal electrodes (T3, T4, T5, or T6, as well as the left or right frontal electrodes, as we see here, with a high amplitude beta artifact arising from F8. Image generated from Neuroguide version 3.0.6." role="presentation" class="img-responsive atto_image_button_text-bottom" width="715" height="949"></div>
<p><i>Figure 1m: The temporalis muscle can generate artifact in the temporal electrodes (T3, T4, T5, or T6, as well as the left or right frontal electrodes, as we see here, with a high amplitude beta artifact arising from F8. Image generated from Neuroguide version 3.0.6.</i></p>
<br>
<p>See a video of temporalis muscle artifact here.&nbsp;</p>

<p style="text-align: center;"><iframe src="https://player.vimeo.com/video/358114571" width="640" height="383" frameborder="0" allow="autoplay; fullscreen" allowfullscreen=""></iframe><br></p>
<p style="text-align: center;"><br></p>