Originally Posted by: EddieSixString"Dead note refers to muting the strings with your left hand.
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Is there a lesson available here that covers this topic?

Emphasis added. :) It's called muting.

Look in GF starting here:

http://www.guitartricks.com/tutorial.php?input=358
http://www.guitartricks.com/tutorial.php?input=359

And in Rock Courses here:

http://www.guitartricks.com/tutorial.php?input=673
http://www.guitartricks.com/tutorial.php?input=838
http://www.guitartricks.com/tutorial.php?input=839

And in this funk lesson:

http://www.guitartricks.com/tutorial.php?input=632

Using the search function for "muting" returns a lot of tutorials. But I think the above are your best bet for starting.

http://www.guitartricks.com/search.php?query=muting&search.x=0&search.y=0

Hope this helps. Have fun!