Question

The ________ is a structure of the medial temporal lobe where certain brain waves, such as theta waves, are generated.

Answer 1

The correct answer is the hippocampus.
Some of the most powerful EEG signals in the human brain are generated precisely here, within the hippocampus. These signals are known as the hippocampal theta rhythm, which can usually be seen either when you are running, or during REM sleep.