Absence seizures cause a short loss of consciousness (just a few seconds) with few or no symptoms. The patient, most often a child, typically interrupts an activity and stares blankly. These seizures begin and end abruptly and may occur several times a day. Patients are usually not aware that they are having a seizure, except that they may be aware of losing time..
The Choice is Ours documentary series. The series shows an optimistic vision of the world if we apply science & technology for the benefit of all people and the environment. Created by.
The word whether indicates a choice. You can decide whether to go to the movies. The or not isn't necessary because it's implied in the word whether. Or not can be added if it means, regardless of whether, as in We will play outside whether or not it snows. Here's Hamlet's famous choice: To be, or not to be?