A more detailed write-up is coming soon.
Oscillatory patterns in hippocampus under light and deep isoflurane anesthesia closely mirror prominent brain states in awake animals

In one sentence
Under two different levels of isoflurane anesthesia, the rat hippocampus settles into one of two distinct states, each a close match to one of its well-known waking rhythms.
Background concepts
Theta Rhythm (coming soon)Sharp-Wave Ripples (coming soon)Oscillations and LFP (coming soon)