What is the nature of these waves?

Are these waves on the 2nd page below:
1. A physiological variant
2. Theta and delta waves at M2-F8 (right inferior, anterior temporal region)
3. Theta waves, delta waves, and sharp waves at M2-F8
4. An epileptic seizure?

The patient is in his/her mid 30s

 This is the salient page:

And these 3 pages follow the above page

Have another look at this page; the patient has marked the feeling of déjà vu:

Here is another event, marked when the patient experiences déjà vu:

And yet another episode of déjà vu on the 2nd page of 3 consecutive pages, see below: