There are different aspect of EEG. An EEG is most likely to indicate the presence of alpha waves.
An Alpha waves are said to be seen in the electroencephalogram (EEG) in the time of a normal wakeful state where a person is resting.
Beta EEG are said to be found only when a person is alert, attentive and thinking well.
Learn more about alpha waves from
https://brainly.com/question/10021720