Right or left occipital seizure?

Have a look at the following consecutive pages and try to arrive at a diagnosis. 

Then look at these consecutive pages

Here is another page from the same patient:

 in fact, it is neither a right nor left occipital seizure. These lambda waves and sometimes the frequency varies depending on visual stimuli and they may even resemble seizures at times but are in fact "pseudoseizures". Some of the pages there are rhythmic abnormal theta waves at F8-M2. The sharplycontoured waves will be discussed in a separate post.