Fred,
I, too, experienced similar effects when experimenting with Binaural Beats. As for kundalini- I think that you should recognize the reality of your experience and not invoke this or that name to explain it: when meditation, although not really "energy-work" meditation, is carried to a natural conclusion certain understandings will be disclosed to you: the question then of physical sensation will not arise. When eating, as the Zen masters say, just eat. When meditating, just meditate. Your "physical symptom" may happen but it is not important: it assumes importance when you give it importance, because the "you, or the aspect of you" which does the giving is the creator and destroyer of said symptom. Therefore, pay no heed and continue.
Jesus Said, "Be Passerby"
Kristoff "Dr.Faust" Olafsson
