Essential Thalamic Contribution to Slow Waves of Natural Sleep

These results demonstrate that the thalamus finely tunes the frequency of slow waves during non-REM sleep and anesthesia, and thus provide the first conclusive evidence that a dynamic interplay of the neocortical and thalamic oscillators of slow waves is required for the full expression of this key physiological EEG rhythm.

http://www.ncbi.nlm.nih.gov/pubmed/24336724